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Biological systems need energy! To do work Chemical activities Growth Movement Reproduction Repair ? Stored in CHEMICAL BONDS
Chemical Energy………….. Stored in? Food (Plant or Animal) Made by Producers in? Photosynthesis as? Glucose sugar Energy is released? Respiration, breaks the chemical bonds
ATP cell energy Ch.9.1 High energy molecule Supplies cell energy ATP cycles from ADP by addition of a high energy phosphate from the release of chemical energy in respiration
ADP to ATP cycle ADP=di phosphate ATP= tri phosphate ATP makes a muscle work ADP in cell ADP +P High energy ATP -P after cell work
ADP in cell Stored energy in glucose bonds + Respiration = Release of food energy Forms ATP so cell can do work + P
Light energy Ch.9.2 Primary Energy Source for? Photosynthesis Used by Plants Chlorophyll
Photosynthesis.... Plants make? Require? 1. Sunlight 2. Chlorophyll 3. Water roots 4. ? gas
Plant Photosynthesis…….. Makes Food Uses Sunlight Carbon dioxide Water Chlorophyll
Chemical Equation >>>>>> Carbon dioxide + water +energy=food + oxygen (sugar) CO 2 + H 2 0 +sun = C 6 H O 2
Cellular Respiration Ch. 9.3 BOTH plants & animals breakdown food 1. Releases energy 2. Makes cell energy 3. Reverse of photosynthesis !
Burning versus Respiration Burning: Activated by friction Heat Energy Light Energy Carbon Dioxide Oxygen Respiration: Activated by enzymes Heat Energy ATP cell energy Carbon Dioxide Oxygen
Cellular Respiration………. Breakdown of Food Occurs in the Mitochondria of Plant & Animal Cells Produces? ATP cell energy CO 2 gas waste
Respiration Equation >>>>> Opposite of Photosynthesis food + oxygen = ATP+ CO 2 +H 2 0 C 6 H O 2 = ATP+ CO 2 +H 2 0
Comparison of both …….. PHTOSYNTHESIS Make food Give off O 2 Use sunlight Use CO 2 RESPIRATION Break apart food Use oxygen Make cell energy Give off CO 2
Equation Comparison: 6CO 2 + 6H sun = C 6 H O 2 Photosynthesis Respiration C 6 H O 2 = ATP+ 6CO 2 +6H 2 0
Energy in Cells Cellular Respiration Photosynthesis Vs.
Science AHSGE Standard II-1, part 2- Photosynthesis and Cellular Respiration.
Cellular Respiration. C 6 H 12 O 6 + 6O 2 6CO 2 + 6H 2 O Glucose + Oxygen Carbon dioxide + water.
Photosynthesis & Cellular Respiration. The process by which energy from the sun is used to convert carbon dioxide and water into glucose and oxygen Photosynthesis.
Biology AHSGE Standard III- Photosynthesis and Cellular Respiration.
Photosynthesis and Respiration. What is photosynthesis? A chemical reaction that occurs in plants that changes light energy to chemical energy A chemical.
Biochemical Pathways A series of chemical reactions.
BELL WORK: Copy the bolded part of the question and write your answer. Like complex carbohydrates, proteins are biomolecules that serve many functions.
Photosynthesis !. Which of the following best describes photosynthesis? 1. Makes energy from sunlight 2. Converts food to energy 3. Converts energy (sunlight)
Chapters 8 & 9 Photosynthesis and Cellular Respiration.
Photosynthesis Photosynthesis is the process by which plant cell’s capture energy in sunlight and use it to make food. Autotrophs are organisms that make.
Photosynthesis A.Photosynthesis occurs in chloroplasts (organelles inside plants and algae)
Why do you get hungry?. Energy All organisms use energy to carry our the chemical activities that allow them to live, grow, and reproduce. Cellular Energy.
What is the plant taking in? What is the plant giving off?
Objectives At the end of this lesson students will: Be able to identify organisms that can carry out photosynthesis and those that cannot. Be able to.
Respiration This Powerpoint is hosted on Please visit for free powerpoints.
What is Photosynthesis? The process of photosynthesis is a chemical reaction. It is the most important chemical reaction on our planet.
All living things need energy to carry out their life processes.
CELL PROCESSES What keeps them alive? Moving Cellular Materials Cells have a _____ membrane that regulates what goes into or out of the cell. Passive.
Cell Processes Photosynthesis and Respiration. Photosynthesis Nearly all living things get their energy either directly or indirectly from energy of sunlight.
Cellular Respiration Energy For Cells. Cellular Respiration Energy is released by breaking the bonds of food molecules (such as glucose) to make ATP from.
Cell Processes and Energy. Sources of Energy Nearly all living things obtain energy either directly or indirectly from the sun. Autotroph - An organism.
Photosynthesis !. The process by which green plants use the energy of the sunlight to produce sugars (carbohydrates)
Photosynthesis and Cellular Respiration Chapter 5.
Slide 1 of 20 Photosynthesis I: Energy and Life Copyright Pearson Prentice Hall.
In a plant cell where do the light reactions of photosynthesis take place A. Stomata B. Stroma C. Thylakoids D. Mitochondria Stomata open and close for.
12.2 Chemistry in Plants. Plants are like a chemical factory that use energy from sunlight and raw materials from air and water.
4.1 Chemical Energy and ATP KEY CONCEPT All cells need chemical energy.
Copyright © 2004 Pearson Education, Inc. publishing as Benjamin Cummings PowerPoint ® Lecture Slides for Essential Biology, Second Edition & Essential.
Energy and Life 8-1. Energy Energy is the ability to do work –Work can be playing a sport, thinking, or building a protein in a cell –All living things.
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