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List in order the 6 steps of the scientific method.

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Presentation on theme: "List in order the 6 steps of the scientific method."— Presentation transcript:

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8 List in order the 6 steps of the scientific method.

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10 What is the purpose of an enzyme?

11 At what temperature does the maximum activity of enzyme B occur?

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16 Today’s Goal: Reinforce cellular biology including: -structure function of organelle -Cell Transport -Cell Division 1. Locate your bright ORANGE Core 40 Review Notes.

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18 Elements Building Blocks UsesCarbohydratesEx-sugar,starchC,H,O Mono- saccharides Energy Lipids Ex-butter, oil C,H,O Fatty Acids & glycerol Energy Proteins Ex-meat, cheese C,H,O,N,S Amino Acids Structure, growth & repair Nucleic Acids Ex-DNA,RNAC,H,O,N,PNucleotides Genetic Information

19 Examples of nucleic acids include A.sugars and starches B. DNA and RNA C. amino acids and fatty acids D. fats and proteins

20 Which of the following is not normally a function of proteins in healthy cells? A. long-term energy storage B. functioning as enzymes C. a component of cell membranes

21 Which of the following is an example of an organic chemical compound? A. carbon dioxide, CO2 B. sufur trioxide, SO3 C. sodium chloride, NaCl D. glucose, C6H12O6

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23 Types of Cells Organelles and Functions Transportation Energy Photosynthesis Respiration Cell Division

24  Cell  Tissue – functioning group of cells  Organ – functioning group of tissues  Organ System – functioning group of organs  Organism – functioning group of organ systems

25  Homeostasis  Steady State  Self-adjusting mechanism that helps to maintain your internal environment

26 Prokaryotic or Eukaryotic?

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28 Plant Cell or Animal Cell? Prokaryotic or Eukaryotic?

29 Plant Cell or Animal Cell?

30 Name the Organelle? Found in Plant Cells, Animal Cells or Both?

31 Name the Organelle? Found in Plant Cells, Animal Cells or Both?

32 Name the Organelle? Found in Plant Cells, Animal Cells or Both?

33 Name the Organelle? Found in Plant Cells, Animal Cells or Both?

34 Name the Organelle? Found in Plant Cells, Animal Cells or Both?

35 Outside the Cell Inside the Cell Name the Organelle? Found in Plant Cells, Animal Cells or Both?

36  Diffusion- movement of materials form a higher concentration to a lower concentration  Hypertonic  Hypotonic  Isotonic  Osmosis- diffusion of water through a Membrane

37  Passive transport is the movement of materials without energy  Diffusion, osmosis, facilitated diffusion  Active Transport requires energy  Pumps, exocytosis, endocytosis

38 Outside the Cell Inside the Cell Enlarged Name the Organelle? Found in Plant Cells, Animal Cells or Both?

39 Name the Organelle? Found in Plant Cells, Animal Cells or Both?

40 Name the Organelle? Found in Plant Cells, Animal Cells or Both?

41 ? Name the Organelle? Found in Plant Cells, Animal Cells or Both?

42 DNA What is it?

43 List the three parts of the Cell Theory. 1.All living things are made of cells. 2.Cells are the basic units of life. 3.All cells come from pre-existing cells.

44 What are the two basic types of cells? Prokaryotes and Eukaryotes

45 Which type of cell has a nucleus? Present your answers! Eukaryote

46 This is the simpler of the two types of cells. Prokaryotes

47 This type of cell has membrane- bound organelles. Eukaryotic

48 ______________ is the thin, flexible barrier around all cells. Plasma membrane (Cell membrane)

49 The plasma membrane is made up of two layers of ______________. Phospholipids

50 What are the two parts of a phospholipid called? Head and a tail

51 These molecules are located in the hydrophobic region of the membrane and strengthen the membrane. Cholesterol

52 Scientists call the model they have developed to represent the structure of the plasma membrane the ______ ________ model. Fluid Mosaic

53 What does it mean to be selectively permeable? To choose what goes in and what doesn’t

54 T or F. All cells have cell membranes. Present your answers! True

55 T or F. All cells have DNA. Present your answers! True

56 T or F. All cells have cytoplasm. Present your answers! True

57 T or F. All cells have a nucleus. Present your answers! False

58 T or F. All cells have a cell wall. False – animal cells do not.

59 What is the name of the membrane that surrounds the nucleus? Nuclear envelope

60 What are the functions of the cytoskeleton? For cell support and movement

61 The cytoskeleton is made up of what three components? Present your answers! Microtubules, microfilaments, and intermediate filaments

62 What do ribosomes do for the cell? Present your answers! Make proteins

63 Where can you find ribosomes in a cell? Present your answers! On rough ER, and in the cytoplasm (also in the nucleolus when they are being made

64 What are the two types of Endoplasmic reticulum and what is the structural difference between the two types? Present your answers! Smooth and Rough – rough have ribosomes attached

65 What does the ER do for the cell? Rough – modifies proteins Smooth – makes lipids and breaks down drugs and alcohol

66 What does the Golgi apparatus do for the cell? Processes and packages proteins for export

67 What is the function of a lysosome? To digest or break down food, old organelles, or other waste

68 What type of molecules are inside lysosomes? (These molecules are what make the breaking down happen.) Enzymes

69 What is the function of a central vacuole? A place for plants to store water, minerals, and waste; strengthens the cell and helps support the entire plant

70 What do chloroplasts do for the cell? Convert energy from sunlight to chemical or food energy; perform photosynthesis

71 Do animal cells have chloroplasts? Present your answers! No

72 What is the function of the mitochondria? Present your answers! To make energy (the power plant of the cell)

73 Animal, Plant, or Both: Cell Membrane Present your answers! Both

74 Animal, Plant, or Both: Endoplasmic Reticulum Present your answers! Both

75 Animal, Plant, or Both: Mitochondria Both

76 Animal, Plant, or Both: Chloroplasts Present your answers! Plant

77 Animal, Plant, or Both: Cell wall Present your answers! Plant

78 Animal, Plant, or Both: Ribosomes Present your answers! Both

79 Animal, Plant, or Both: Nucleus Present your answers! Both

80 Animal, Plant, or Both: Golgi apparatus Both

81 Types of Cells Organelles and Functions Transportation Energy Photosynthesis Respiration Cell Division

82  6 CO 2 + 6H 2 O  C 6 H 12 O 6 + 6O 2  Occurs in chloroplasts  Two parts:  Light reaction  Calvin cycle (dark reaction)

83  Cellular respiration, glucose is broken down to a form the cell can use.  Energy is stored in an ATP molecule (adenosine triphosphate).

84  The process of breaking down food molecules to release energy  Occurs in the mitochondria  Two types:  Aerobic – requires oxygen  Anaerobic – occurs without oxygen  C 6 H 12 O 6 + 6O 2  6CO 2 + 6H 2 O + energy

85  Inseparable cycles

86 The Cell Cycle Interphase Mitosis PMAT Cytokinesis Somatic Cells

87 Reproductive Cells

88 ASEXUAL  Diploid cells produced by mitosis, binary fission  Identical copy produced SEXUAL  Gametes, haploid cells, produced by meiosis  Gametes combine during fertilization to produce diploid cell  First diploid cell known as a zygote  Zygote grows into an embryo through mitosis  Infinite possibilities

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91 Visitor Home Inning 123456789 Total Home First Third Second Outs Core 40 Test Practice

92 Visitor Home Inning 123456789 Total Home First Third Second Outs Batter Up!

93 Today’s Goal: Reinforce Cellular Chemistry and Structure. 1.Place your Ecology Study Guide out for 10 pt. completion grade. 2.Cells Study guide due Friday.

94 Per 6, 7 Biology Homework for week of April 23 - 27 Mon Tues Create Review PPT Weds Create Review PPT Th Digital PPT Presentations Genetics Study Guide Due Fri Last Current Event work day Biology Core 40 Test Tuesday May 8 th


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