Ppt on energy giving food

余杭中学 施玉美 2009 、 3 、 11. Functions of food help the body fight diseases Why do we have to eat every day ? help grow bones and muscles provides energy.

the body fight diseases Why do we have to eat every day ? help grow bones and muscles provides energy protective foods body-building foods energy-giving foods noodlesspaghetti nuts Energy-giving Food Protective food food cucumber peas mushrooms eggplants lemons peaches milk meat cheese Body-building foods Junk food Energy- giving food Protective food Body- building food Food Pyramid Eat much Eat some Eat little Snacks( 小吃 ) Eat most oil,fat, sugar fat,protein vitamins, fibres fibre s If we/


Agenda 1/21 Warm – Up: What would happen to an ecosystem that had no predators? Give an example. Quiz over Chapter 4 (open notes) Video: Strange Days on.

6 (glucose) is broken down using oxygen that was “breathed” in and creates ATP energy and CO 2. ATP energy is used for everyday activities, growth, development, etc. Plants & animals are interdependent on each other. – Plants give animals the O 2 and food. – Animals give plants the CO 2 to make the food. What are the different types of organisms in an ecosystem? Producers – AKA: autotroph/


Reproducible Private Property Resources - Agriculture The secret to solving the world food problem lies in transferring the modern technology from the.

food due to ⇧ productivity ⇧ food prices & ⇧ demand for food should ⇧ value of agri. Land – slow conversion - reverse trend? ⇧ food prices & ⇧ demand for food should ⇧ value of agri. Land – slow conversion - reverse trend? Energy costs: in developing countries agri production is very energy intensive - productivity gains from energy – mechanisation + ↑ use of pesticides & fertilisers Energy/  learning more sustainable practices are known  giving information to farmers derived from research  Providing /


Thermodynamics New section in table of contents EnergyEnergy Defined: Matter is stuff (atoms), Energy is the stuff that makes matter do stuff.  What.

particles. EnergyEnergy is of central importance in physics.  It is impossible to give a comprehensive definition of energy because of the many forms it may take.  KC 2: Energy is the ability to do work or produce heat. Energy  KC 3: Chemical potential energy is energy stored in/ 27.0 ˚C Mass of beaker with H 2 O: 465g Temperature of water after reaction: 65.0 ˚C Lab – Burning Food  Measure approximately 15mL of water into the can. Record the mass of the water in data table (NOTE: 1mL of water /


Biology EOC Review Pack

king; brain Plasma Membrane Select what enters & leaves cell Club bouncer; airport security Cell Wall Gives plant, bacterial, & fungi cells structure Walls of a house Organelle Function Analogy Mitochondria Perform aerobic /food, shelter, reproduction and/or protection linear diagram showing feeding relationship 140) What is a food chain? linear diagram showing feeding relationship Draw a food chain including the following organisms: heron, minnow, plankton Plankton  minnow  heron 141) How much energy/


Energy. Energy - Objectives  What do students study in KS3? Where have they come from?  What is energy? In Physics/Biology/Chemistry  What ideas do.

runs around all the time  Energy is like a force  We cannot live without energy  I am out of energy  Everything has energy to make it go  Sugar is a food which gives you energy  When I go for a run, I use up all my energy  Electricity can give you energy. Some misconceptions  Energy is a fluid or ingredient  Energy is used up  Energy is fuel  Energy makes things happen A starting point/


Energy In A Cell Photosynthesis Cellular Respiration.

not have mitochondria. Cellular Respiration takes in food to give us energy!! This player really needed ENERGY! State Test Question Many cell processes cannot directly use the energy from food. Which organelles covert food energy to a form that can be used / mitochondria (Citric Acid Cycle/ Krebs’ Cycle.) Takes in Oxygen Takes in Glucose from food molecules Gives off Carbon Dioxide Gives off water Releases energy in the from of ATP Cellular Respiration Metabolic process that require oxygen are called aerobic/


Energy Drinks and Food Does It Really Work? Dakota Oeskovic 9 th Grade Health What is in an energy drink? What does it do to my body? What food groups.

Water GGuarana PPumpkin seeds GGoJi berries  Eating breakfast every morning is a great way to kick start your metabolism.  It gives you energy first thing in the morning.  Helps you make healthy choices throughout the day Foods  Water: Water is a integral part of keeping all the cells in your body hydrated and working at optimum levels  Almonds: When eaten/


Functions of food Maintain life Keep healthy Prevent diseases Supply energy Satisfy hunger Why do we have to eat every day ?

helps you grow in different ways? Foods to give you energy Food that helps grow bones and muscle (eg body- building food) Food that helps the body fight diseases (eg protective food) Fast energy food Slow energy food Rice Sugar Noodles potatoes bread Butter Cream Oil nuts Meat Eggs Cheese Milk tofu All vegetables (eg beans, mushrooms,…) All fruit(eg apples,peaches,…) Food that provides energy (eg. energy-giving food) What kinds of nutrients( 营养物质 ) can they/


Introduction to Matter Describing Matter Measuring Matter Changes in Matter Energy and Matter Table of Contents.

to Matter What’s the difference between an endothermic and an exothermic change? A.They both absorb energy. B.They both give off energy. C.An endothermic change gives off energy while an exothermic change absorbs energy. D.An exothermic change gives off energy while an endothermic change takes in or absorbs energy. Introduction to Matter What’s an easy way to tell the difference between an endothermic change/


The Chemistry of Life The Nature of Matter Life depends on chemistry When you eat food or inhale oxygen, your body uses these materials in chemical reactions.

glucose in animals –Called animal starch –Composed of hundreds of glucose molecules in a highly branched chain Cellulose: –Gives strength and rigidity to the plant cell –Thousands of glucose monomers are linked in long, straight chains CARBOHYDRATES The /even to dream through the chemical reactions that occur when humans metabolize, or break down, digested food Activation Energy Even chemical reactions that release energy do not always occur spontaneously –Thats a good thing because if they did, the pages in/


2009. Life Science (Biology), Grades 3– 5 Characteristics of Plants and Animals Structures and Functions Adaptations of Living Things Energy and Living.

e.g., desert vs. tropical plants aquatic vs. terrestrial animals). Explore how each is adapted to its environment. 7. Give examples of how changes in the environment (drought, cold) have caused some plants and animals to die or move to/ chemical weathering Which of the following best describes a role of mushrooms in ecosystems? A. capturing energy from sunlight B. consuming living plant material C. service as food for human D. breaking down dead plant material Which of the following statement is not true for/


Chapter 6 The Human Organism and the Importance of Nutrition Topics: Nutrition and Nutrients: the Digestive System Respiration and Energy: Respiratory.

international standards In the United States they mostly use Calories, so lots of our textbooks and cookbooks list food energy in Calories. Energy from food Only three of the six parts of your diet give you energy – Carbohydrates 4 cal/g – Proteins 4 cal/g – Fats 9 cal/g Energy needs You need energy for everything your body does and even for your mind’s thoughts! The basic/


New stuff Page 1 Egypt gives agricultural aid to central and southern africa.

free traders Myth: Aid isn’t working Trade for profit instead Trade barriers. Fair trade & aid Population outstrips food supply … we give more than anyone! Trillions wasted! - 1 b still starving MDGs won’t be achieved Most aid  /rents to pay off 2 factories  100 in Haryana & Punjab Millennium Village Project Farm production Gender equity Nutritional services Energy & environment Health services Water Prevent malaria & TB Environment $3m x 5yrs funded in advance Initiatives making a difference Grameen/


diet 日常饮食 meat vegetable seafood fruit snacks (零食小吃) staple food ( 主食 ) What kind of food do we eat?

which food is junk food or healthy food and give reasons. I think …is junk food because… I think … is healthy food because… (be rich in 富含; be low in 缺乏,含 … 量低 ) foods to give you energy foods foods to grow bones and muscle foods that give fibre for digestion and health Task 1 : Classify the foods we usually eat in the following way: Warming up – II ( 5ms ) Finish the following tasks: energy-giving foods body-building foods protective foods Foods that give fibre/


EOC Final Review. 1. SUGAR 2. STARCH 1. BENEDICTS SOLUTION 1. IODINE SOLUTION SHORT-TERM (quick) ENERGY LONG-TERM (quick) ENERGY 1 GLYCEROL & 3 FATTY.

Decides what comes in and out of cell Extra support and protection for plant cells Provides energy for the cell (ATP) Stores material Photosynthesis to make food for plant (glucose) Makes proteins (site of protein synthesis) MITOCHONDRIA NUCLEUS CELL MEMBRANE RIBOSOMES /antibodies for use if it come into contact with same antigen in the future Vaccines help build Active Immunity Vaccines give a person the inactive form of a virus. The body reacts by kicking off immune response and releasing antibodies to/


University of Kurdistan Food Quality Evaluation Methods (FQEM) Lecturer: Kaveh Mollazade, Ph.D. Department of Biosystems Engineering, Faculty of Agriculture,

the RF radiation used for resonance.  These spectrometers use very powerful magnets to create a small but measurable energy difference between two possible spin states. Food Quality Evaluation Methods– Department of Biosystems Engineering – University of Kurdistan http://agri.uok.ac.ir/k.mollazade 11 /as 1 H, 13 C, 19 F and 31 P) or odd atomic numbers (such as 1 H and 7 N) give rise to NMR signals. This means they have angular momentum.  Modern NMR spectrometers use a constant magnetic field strength B 0,/


Energy in a Cell Energy in a Cell ATP: Energy in a Molecule ATP: Energy in a Molecule Photosynthesis: Trapping Energy Photosynthesis: Trapping Energy Cellular.

sunlight Plants also have other colored pigments that help trap sunlight These pigments give plants their bright colors These pigments give plants their bright colors Chlorophyll Photosynthesis The process by which plants use light energy to make food molecules from CO2 & H2O The process by which plants use light energy to make food molecules from CO2 & H2O Larry the Sun Light H+H+ O2-O2- H2OH2O/


Unit 2 Unit 2 Healthy Eating Healthy Eating. energy-giving foods food body-building foods protective foods Pre-listening What makes a balanced diet?

classmates will take part in it. So, please design a special menu for our hometown. Tips: 1.Are your menus balanced or not? 2. A balanced diet should include energygiving foods body-building foods protective foods 3. Do your menus have any Characteristics( 特色 )? You are what you eat. 人如其食。 First wealth is health. 健康是人生的第一财富。 An apple a day keeps the doctor away. 一天一个苹果,医生不来找。 ----Emerson Homework 1. Improve/


Starter Activity: On a show me board answer these questions: 1.What does a food chain always start with? 2.What does the arrow in a food chain represent?

with? 2.What does the arrow in a food chain represent? 3.How much energy is passed on to the next level in a food chain? 4.Give an example of how energy is lost at each stage in a food chain. Pyramids of biomass, energy and number. Learning Intention: Show the biomass, energy and numbers of organisms within a food chain as a diagram. Success Criteria: Define ‘Pyramid/


1.4.2 Ecosystem 1.4.3 Biosphere 1.4.4 Habitat 1.4.5 Environmental Factors 1.4.6 Energy Flow Follow-Me – iQuiz.

Give an example of an edaphic factor. A community of living organisms interacting with one another and their environment First level Living features that influence the distribution of organisms Large energy loss from one level to next; Small energy transfer Interconnected food/ First level Living features that influence the distribution of organisms Large energy loss from one level to next; Small energy transfer Interconnected food chains; More than one species at each trophic level Photosynthesis Particle/


Biology Food. Objectives for food State the Function of Food Name three reasons for requiring food Name six common chemical elements in food: C, H, N,

good reasons why water is important for organisms. Define of the terms: Anabolic and Catabolic. Give an example of each Food is needed for: 1.Energy 2.Growth of new cells and Repair of existing cells, tissues, organs, etc. 3. Provides /, State that carbohydrates are composed of indivisible units and give examples of these. Do a test for the presence of reducing sugar in food. Types of Food Food is made up of six different food groups WaterProteins Lipids Carbohydrates Vitamins Minerals Humans need to consume/


Explore energy flow through living systems In this presentation you will: Death and decay Decomposers release nutrients into the soil Plants take up the.

does. Ducks Snails Algae on stones Dragonfly larvae Minnows Water fleas Tadpoles Mosquito larvae Floating algae Therefore, they give a more complete view of how energy can move through ecosystems. Food Webs Next > Often, if one organism disappears from a food web, other organisms can survive by feeding from different organisms. This will, however, affect the number of organisms elsewhere in the web. Ducks/


Cellular Respiration (Making ATP from food) crash-course-bio ATP crash-course-bio ATP crash-course-bio ATP.

of a time where your body got tired from working hard? Give an example. Can you think of a time where your body got tired from working hard? Give an example. Why do you think your hand began feeling this way/ cycle break down food molecules. The first two processes Glycolysis and the Krebs cycle break down food molecules. The third pathway oxidative phosphorylation transfers energy from the food molecules to ATP. The third pathway oxidative phosphorylation transfers energy from the food molecules to ATP./


Bellringer 11/17 1. What is energy? 2. What do the following have in common? Reminders: HW Sec 9.1 vocabulary, pay lab fee.

(food) Reminder: takes place in chloroplasts Reminder: takes place in chloroplasts Chlorophyll- pigment that traps light energy needed for photosynthesis (found in chloroplasts) Chlorophyll- pigment that traps light energy needed for photosynthesis (found in chloroplasts) Basic Photosynthesis Plants absorb carbon dioxide from the air, pull water up through their roots and use light to make sugar. Plants use the sugar to grow. Plants give/


Аuthor: Аuthor: Lototska O.V 1 Hygiene of feeding, its ecological and social problems. Hygienical examination of quality of food products. Scientific bases.

timing of meals so that hunger is kept in check. Function of nutrition Function of nutrition Body building and repair Provision of energy Maintenance and regulation of tissue functions CLASSIFICATION OF FOODS 1. Classification by predominant functions: Foods Energy-giving foods Body building foods Protective foods Protective foods. These constitute inorganic salts, vitamins and minerals. They include proteins and water. Milk, eggs, liver, green leafy vegetables and fruits are/


Transfer of Energy in Ecosystems (Food Webs/Food Chains)

a pioneer species.  What happens if you take a predator out of a food chain? Warm up Sep. 19  What is the start of all food chains?  Give an example of a omnivore and carnivore.  How does a producer get its food? Objectives:  You will be able to: Explain how energy flows through an ecosystem in terms of trophic levels. Explain how trophic levels and/


ENERGY. ENERGY - OBJECTIVES What do students study in KS3 and 4? What is energy? What ideas do pupils have about energy? Where could we start in Year.

’s Conceptualisation of Energy Vitamins give you energy Fit people have a lot of energy I did not have any energy left after doing cross country Energy is power My dog has a lot of energy, he runs around all the time Energy is like a force We cannot live without energy I am out of energy Everything has energy to make it go Sugar is a food which gives you energy When I/


1.The difference between plant and animal cells is that animal cells contain a cell wall and chloroplasts. 2.The main source of energy for our bodies is.

gives the cell shape - Gizmo: “Cell Structure” - Matching activity Plants and Food Production The three major functions that are basic to plant growth and development are: Photosynthesis – The process of capturing light energy and converting it to sugar energy/diet, and hypertension.Risk Atherosclerosis: hardening of the arteries actual images Progression of Cholesterol Accumulation Food Analysis Activity … The Big Picture Energy Flow & Recycling of Matter - The atoms that make up organisms in an ecosystem /


1.The difference between plant and animal cells is that animal cells contain a cell wall and chloroplasts. 2.The main source of energy for our bodies is.

enters and leaves the cell Cytoplasm: the region between the cell membrane and the nucleus Cell Wall: plant; rigid structure that gives the cell shape - Gizmo: “Cell Structure” - Matching activity CELL DIVISION & REPRODUCTION With division of the nucleus, body /person. This involves a set of chemical reactions that store fuel (food) molecules and convert them into energy. In order for the body to use the fuel energy stored in food, the food must first be digested and combined with oxygen (oxidized). Three /


Matter cycles and energy dissipates through the biosphere and its component ecosystems. The concept of an ecosystem is used to explain energy flow and.

organisms eat more than 1 kind of food and can occupy more than one trophic level Food webs are quite complex, but give a more complete picture of how energy flows within an ecosystem. Food Webs Food Chains and Food Webs  You’ll notice that the food chains and food webs both have arrows. Those arrows represent the flow of energy. For example, energy flows from the fish to the osprey/


Standard 3 Interdependence of Living Systems and the Environment 6 CO 2 + 6 H 2 O + energy (from sunlight) C 6 H 12 O 6 + 6 O 2 Unit 3 - Photosynthesis.

site of photosynthesis and is well adapted for this function. Most leaves are thin with a large flat surface. This gives them a large surface area for absorbing sunlight. –Chloroplasts - Leaf cells contain many chloroplasts, which in turn contain chlorophyll/ a nucleotide with three phosphate groups instead of one phosphate group. The point of cellular respiration is to harvest chemical energy from food and store it in the chemical bond of ATP. Anaerobic = Does not require oxygen, produces less ATP, and /


Fuels Learning objectives To learn that fuels burn to release energy To consider evidence from a practical and make a conclusion Starter Construct a mind.

GRASS, GRASS gets energy from the sun Food Food gives us energy. The amount of energy it contains is measured in joules (J). Look at the different labels of food. Find out which foods give you more energy. Name/ type of food Energy (kJ) or (J) Fat (g) Labels on food Conclusion: 1.Which food(s) give out the most amount of energy. 2.Which food(s) give out the least amount of energy. How much energy? Equipment Cork stand/


Matter and Energy in The Environment LS CH 20LS CH 20.

out more) and cooling it down. The Southern Hemisphere tilts towards the sun, giving them summer The Southern Hemisphere tilts towards the sun, giving them summer Atmospheric Gases The atmosphere is the layer of gases surrounding Earth The/ uses sulfur compounds Consumers Consumers Organisms that must consume food to get energy Organisms that must consume food to get energy Classified by type of food sources Classified by type of food sources Classifications of Consumers Herbivores Herbivores Eat only plants/


1 Unit 2 Health and Well-being DEVELOPING SKILLS Set B Book 5 Papers 1 & 2 Reading and Writing Giving advice Writing Activity.

49. If you were the main character in the song, would you feel positive or negative about your differences? Give a reason for your answer. Write in a complete sentence.(2 marks) _______________________________________________ (sample response) I would feel positive/mind fresh fruit and seasonal vegetables large amounts of sugar, fat and salt replenish (one’s) energy/water loss comfort/wholesome/junk/fatty food 230 http://www.aristo.com.hk Unit 2 Health and Well-being DEVELOPING SKILLS Set B Book /


10/30 - 6 th Grade Agenda Learning Objective: to understand that almost all kinds of animals’ food can be traced back to plants and that the sun is often.

Like plants and phytoplankton. Sunlight + Carbon Dioxide + Water = Energy – This process is called Photosynthesis Food Chains A food chain shows what is eaten. The fly is eaten by the thrush. Food Chains A food chain shows what is eaten. The lettuce is eaten by the / of energy levels. Partner B: Look at your partner and describe a producer and give an example. Partner A. Look at your partner and describe a consumer and give an example. Partner B: Look at your partner and describe a decomposer and give an /


Infant nutrient needs Basis Approach Specific nutrients water energy protein fatty acids vitamin K Vitamin D Iron Fluoride.

20 kcal/oz infant formula? –90% –To achieve 100 ml/kg/d needs to consume at least 110 cc/kg/d Energy Energy Requirements Higher than at any other time per unit of body weight Highest in first month and then declines High variability - SD/iron-fortified formula for the first year of the infants life. This milk will continue to be her major source of nutrition. Avoid giving the infant foods that may be aspirated or cause choking (e.g., peanuts, popcorn, hot dogs or sausages, carrot sticks, celery sticks, whole/


The Chemistry of Life The Nature of Matter Life depends on chemistry When you eat food or inhale oxygen, your body uses these materials in chemical reactions.

glucose in animals –Called animal starch –Composed of hundreds of glucose molecules in a highly branched chain Cellulose: –Gives strength and rigidity to the plant cell –Thousands of glucose monomers are linked in long, straight chains CARBOHYDRATES The /even to dream through the chemical reactions that occur when humans metabolize, or break down, digested food Activation Energy Even chemical reactions that release energy do not always occur spontaneously –Thats a good thing because if they did, the pages in/


What is life? The characteristics of living things The characteristics of living things What is an organism? Give a few examples. What is an organism?

that causes it to react. The response is the reaction. Who can explain and give examples of external versus internal stimuli? Who can explain and give examples of external versus internal stimuli? 6.All organisms have the ability to reproduce, /heterotrophs that eat the autotrophs. Heterotrophs can not produce their own food, so they obtain their energy from the food they eat. They either eat autotrophs and obtain the energy stored in the food made by the autotrophs, or they eat other heterotrophs that eat /


AP Biology Ecosystems AP Biology  YouTube - Prehranjevalna veriga - Food Chain YouTube - Prehranjevalna veriga - Food Chain  Teachers Domain: Oil.

Taiga  Aquatic biomes Marine Freshwater  Tundra  Alpine AP Biology Humans in food chains Teachers Domain: Energy Flow Teachers Domain: Energy Flow  Dynamics of energy through ecosystems have important implications for human populations  how much energy does it take to feed a human?  if we are meat eaters? / 6 ) and what processes are occurring to transfer the carbon. AP Biology Answers - 3 possibilities 1. The tree gives off CO 2 through CR. A crop plant takes in the CO 2 for PS. You eat the plant (C/


FOOD AND SPORT CAVA DE’TIRRENI (SA) ITALY. HEALTHY FOOD AND SPORT Nonsense about diets The Healthy, varied and balanced diet The Ideal weight Food: General.

sense that there must be a balance between intake and energetic expense. Food with a high energetic value gives a lot of energy and enables a lot of work, while food with low calories gives little energy. To keep the balance between intake and expense of energy, you must know the calorie intake of the eaten food and the waste of calories that each physical activity requires. BALANCED/


Module 1 : INNOVATING NEW HEALTHY FOODS FOR THE OBESITY CRISIS.

from all venues More likely to frequent restaurants/sandwich bar than convenience store for lunch Moderate Naturalist: Everything eaten natural as possible within reason Likes fresh, good quality food, no fast food, no frozen or microwaveable food, no MSG Concerned with lunch giving them energy Not about weight, more of a holistic view on life Good carbs ok – wholemeal bread, brown rice Very educated about/


CHEMISTRY 3 ELEMENTS, ACIDS AND WATER & ENERGY AND CHEMICAL TESTS.

Group 7 elements get less reactive going down the group Silvery solids, their hydroxides dissolve in water to give an alkaline solution. As you go down Group 1 the alkali metals become: bigger atoms, there’s one/ = 4200J Energy & Food Our Energy Is From Food different foods produce different amounts of energy the composition/structure of the food determines how much energy it produces foods with high portions of fats and oils produce large amounts of energy carbohydrates produce some energy but much less/


Topic Three Energy Flow in the Ecosystem. Light is the initial energy source for all communities All organisms require energy for growth, tissue maintenance.

obtain their energy Give three examples of heterotrophs in the biosphere Answers... Describe the role of autotrophs in the environment Autotrophs provide the basic organic molecules required by the entire living ecosystem What processes traps and stores energy in the bonds of organic molecules? photosynthesis Give two examples of autotrophs Algae, bacteria, green plants Answers... Describe how heterotrophs obtain their energy They obtain food or energy from/


Biology EOC Review Pack The answers. 1) List the characteristics of life Energy Homeostasis Organization Reproduction Adaptation & Evolution Growth &

Control center; king; brain Plasma Membrane Select what enters & leaves cell Club bouncer; airport security Cell Wall Gives plant, bacterial, & fungi cells structure Walls of a house OrganelleFunctionAnalogy Mitochondria Perform aerobic respiration; break down glucose/ food, shelter, reproduction and/or protection 140) What is a food chain? linear diagram showing feeding relationship Draw a food chain including the following organisms: heron, minnow, plankton Plankton  minnow  heron 141) How much energy is/


1.The difference between plant and animal cells is that animal cells contain a cell wall and chloroplasts. 2.The main source of energy for our bodies is.

between the cell membrane and the nucleus Cell Wall: plant; rigid structure that gives the cell shape - Gizmo: “Cell Structure” - Matching activity Is it food? 1.Peanuts 2.Water 3.Celery 4.Candy 5.Fruit 6.Whole milk 7/ in plants. -For photosynthesis, the presence of chlorophyll is a must. Comparison of Photosynthesis and Cellular Respiration Photosynthesis -Food accumulated -Energy from sun stored in glucose -Carbon dioxide taken in -Oxygen given off -Produces glucose -Occurs on in presence of light/


1. Define ecology. Study of the relationship between living and nonliving things 2. Define abiotic and give an example of an abiotic factor. Nonliving.

11. What two requirements does an ecosystem have? Continuous supply of energy A flow of energy from one population to another 12. What type of organism is capable of using and storing energy from the sun? Autotrophs 13. How must heterotrophs obtain energy? They must consume their food 14. How do detritivores obtain energy? Give an example of a detritivore. They break down dead organisms and return/


WEEK SIX ENERGY GENERATION The total energy generated by 1 mole of pyruvic acid is 8 ATP. After glycolysis and TCA, a net total of 38 ATP would have been.

of hydrogen and carbon atom in food leads to gross energy. CH 2 O have enough oxygen in the molecule to oxidize the hydrogen. Hence the only produced heat is from the oxidation of carbon. In fats, less oxygen is present in the molecule hence heat is produced from the oxidation of carbon and hydrogen. This gives the reason why the heat produced/


Why do humans need food? The body needs a diet containing protein, carbohydrate, fats and vitamins and minerals to be healthy. Humans can survive for a.

known as calories). The more calories in a piece of food, the more energy it will give our body. Energy from our Food We can compare the energy content in different foods by comparing the number of calories in the same weight of food e.g. calories per 100g. Foods that give us a lot of calories are called “energy-dense” foods. Strawberries = 33 calories per 100g Brown bread = 293 calories per/


NUTRITIONAL DISEASES A nutritional disorder results from an inbalance between the body’s requirement for nutrient and energy and the supply of those substrates.

form of undernutrition due to lack of calories and proteins. It is characterised by generalized muscle wasting, absence of subcutaneous fat which gives the ‘skin and bones’ appearance. The children have marked retardation in longitudinal growth, a lack of physical well being, abnormal /’s irradiation of the skin, liver. Daily required of 200 – 400 1.U. Energy values of foods and energy expenditure by mammals Food eaten is used as fuel. End products of food oxidation are CO 2, H 2 O and heat. CO 2 and H 2 0/


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