Life Depends on Photosynthesis

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1 Photosynthesis

2 Life Depends on Photosynthesis

3 Most energy Comes from the Sun Life Depends on Photosynthesis

4 Most energy Comes from the Sun Life Depends on Photosynthesis

5 Most energy Comes from the Sun Life Depends on Photosynthesis

6 Most energy Comes from the Sun Life Depends on Photosynthesis

7 Most energy Comes from the Sun Life Depends on Photosynthesis

8 Photosynthesis Light energy

9

10

11

12

13 Pigments Capture Light

14 Accessory Pigments

15 Accessory Pigments

16

17

18 Bacillariophyta e.g. Diatoms

19 Bacillariophyta e.g. Diatoms

20 Bacillariophyta e.g. Diatoms

21 Light Reaction Terms

22 Light Reaction Terms Light reactions The steps of photosynthesis where light energy is converted into chemical energy

23 Light Reaction Terms Light reactions The steps of photosynthesis where light energy is converted into chemical energy Photosystem II Group of pigments and proteins that use light energy to energize electrons stripped from water

24 Light Reaction Terms Light reactions The steps of photosynthesis where light energy is converted into chemical energy Photosystem II Group of pigments and proteins that use light energy to energize electrons stripped from water Photosystem I Group of pigments and proteins that use light energy to energize electrons received from photosynthesis II

25 Light Reaction Terms Light reactions The steps of photosynthesis where light energy is converted into chemical energy Photosystem II Group of pigments and proteins that use light energy to energize electrons stripped from water Photosystem I Group of pigments and proteins that use light energy to energize electrons received from photosynthesis II Electron transport chain Series of membrane proteins that shuttle electrons

26 Light Reaction Terms Light reactions The steps of photosynthesis where light energy is converted into chemical energy Photosystem II Group of pigments and proteins that use light energy to energize electrons stripped from water Photosystem I Group of pigments and proteins that use light energy to energize electrons received from photosynthesis II Electron transport chain Series of membrane proteins that shuttle electrons ATP synthase Enzyme that used the potential energy in a proton gradient to produce ATP

27 Mesophyll

28 Chloroplasts

29 Photosystems 1 & 2

30 2 stages of photosynthesis sugar

31 Photosystems

32 Calvin Cycle

33 2 stages of photosynthesis sugar

34 Types of photosynthesis limitation How plant avoids photorespiration habitat %of plant species

35 C3 Plants limitation How plant avoids photorespiration habitat %of plant species photorespiration Doesn t. Cool, moist 95%

36 limitation How plant avoids photorespiration habitat %of plant species C3 Plants C4 Plants photorespiration ATP cost Doesn t. Light reactions and carbon reaction occur in seperate cells Cool, moist Hot, dry 95% 1%

37 limitation How plant avoids photorespiration habitat %of plant species C3 Plants C4 Plants photorespiration ATP cost Doesn t. Light reactions and carbon reaction occur in seperate cells Cool, moist Hot, dry 95% 1%

38 limitation How plant avoids photorespiration habitat %of plant species C3 Plants C4 Plants CAM plants photorespiration ATP cost Reduced carbon availability Doesn t. Light reactions and carbon reaction occur in seperate cells C02 is absorbed at night, light & carbon reactions occur during the day Cool, moist Hot, dry Hot, dry 95% 1% 3-4%

39 limitation How plant avoids photorespiration habitat %of plant species C3 Plants C4 Plants CAM plants photorespiration ATP cost Reduced carbon availability Doesn t. Light reactions and carbon reaction occur in seperate cells C02 is absorbed at night, light & carbon reactions occur during the day Cool, moist Hot, dry Hot, dry 95% 1% 3-4%

40 Respiration Rarámuri

41 Respiration Respiration occurs in 3 main steps

42 Respiration Respiration occurs in 3 main steps Glycolysis 6 carbon sugar is broken down into 3 carbon molecules of pyruvate

43 Respiration Respiration occurs in 3 main steps Glycolysis Krebs Cycle 6 carbon sugar is broken down into 3 carbon molecules of pyruvate Oxidizes pyruvate, enzymes rearrange atoms and bonds into ATP, NADH, and another electron carrier, FADH2

44 Respiration Respiration occurs in 3 main steps Glycolysis Krebs Cycle Electron Transport Chain 6 carbon sugar is broken down into 3 carbon molecules of pyruvate Oxidizes pyruvate, enzymes rearrange atoms and bonds into ATP, NADH, and another electron carrier, FADH2 Transfers high energy electrons from NADH and FADH2 through a series of membrane proteins to create a hydrogen ion gradient. Mitochondrion uses the potential energy in this gradient to generate ATP using ATP synthase (an enzyme)

45 Mitochondrion Anatomy

46 Mitochondrion Anatomy Mitochondrion Organelle that houses many of the reactions of cellular respiration

47 Mitochondrion Anatomy Mitochondrion Organelle that houses many of the reactions of cellular respiration Matrix Fluid enclosed by the inner mitochondrial membrane, site of transition step and krebs cycle

48 Mitochondrion Anatomy Mitochondrion Organelle that houses many of the reactions of cellular respiration Matrix Fluid enclosed by the inner mitochondrial membrane, site of transition step and krebs cycle Inner mitochondrial membrane Site of electron transport chain and ATP synthase enzyme

49 Mitochondrion Anatomy Mitochondrion Organelle that houses many of the reactions of cellular respiration Matrix Fluid enclosed by the inner mitochondrial membrane, site of transition step and krebs cycle Inner mitochondrial membrane Site of electron transport chain and ATP synthase enzyme Intermembrane compartment Space between the outer and inner membranes of a mitochondria

50 Mitochondrion

51 Glycolysis

52 Krebs Cycle

53 Electron Transport Chain

54

55 Quiz

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