22. During oxygenic photosynthesis,the oxygen atoms that start out insubstrate water molecules will:A. end up in product carbon monoxidemoleculesB. end up in product C6H1206moleculesC. end up in product carbon dioxidemoleculesD. end up in product glucosemoleculesE. end up in product oxygen gasmolecules

Molecular oxygen is produced as a byproduct of oxygenic photosynthesis, which is a non-cyclic…

Answered: 22. During oxygenic photosynthesis, the…

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter6: Where It Starts-photosynthesis

Section: Chapter Questions

Problem 15SA: Match each term with its most suitable description. ____ PGAL formation a. absorbs light ____CO2...

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Which of the following pathways requires molecular oxygen (O2)? a. aerobic respiration b. lactate formation c. alcoholic fermentation d. photosynthesis
Which of the following substances does not participate in the Calvin-Benson cycle? a. ATP c. NADPH e. PGAL b. O2 d. RuBP f. CO2
In ________, electrons that have been energized by light contribute their energy to add phosphate to ADP, producing ATP. (a) crassulacean acid metabolism (b) the Calvin cycle (c) photorespiration (d) C4 pathways (e) photophosphorylation
The Calvin cycle begins when CO2 reacts with (a) phosphoenolpyruvate (b) glyceraldehyde-3-phosphate (c) ribulose bisphosphate (d) oxaloacetate (e) phosphoglycerate
Match each term with its most suitable description. ____ PGAL formation a. absorbs light ____CO2 fixation b. converts light to chemical energy ____ autotroph c. self-feeder ____ ATP forms NADPH does not d. electrons cycle back to photosystem ____ photorespiration e. problem in C3 plants ____ photosynthesis f. Calvin-Benson cycle product ____ pigment g. water molecules split ____ photolysis in photosynthesis h. rubisco function
Which of the following substances does not participate in the CalvinBenson cycle? a. ATP b. NADPH c. RuBP d. PGAL e. O2 f. CO2
The enzyme directly responsible for almost all carbon fixation on Earth is (a) rubisco (b) PEP carboxylase (c) ATP synthase (d) phosphofructokinase (e) maltase
Match the number of the label in the diagram (below) with the appropriate site or structure from the list that follows. e Ca e dependet aon water-piting comples plasticyanin label 1 label 3 e label 5 g label 7 a b label 2 d label 4 f label 6 81. stroma 82. photosystem I 83. photosystem II 84. thylakoid lumen 85. electron transport 86. cytochrome complex 87. ATP synthase
The figure shows the absorption spectrum for chlorophyll a and the action spectrum for photosynthesis. Why are they different? 400 500 600 700 Wavelength of light (nm) O Green and yellow wavelengths inhibit the absorption of red and blue wavelengths. O Oxygen given off during photosynthesis interferes with the absorption of light. O Other pigments absorb light in addition to chlorophyll a. Absorbance of chlorophyll a Violet Blue Green Yellow Orange Red - Rate of photosynthesis
700 600 Wavelength (nm) 500 Chlorophyll b is associated with the greatest rate of photosynthesis. The photosynthesis rate at 550 nm is the highest. Chlorophyll a absorbs wavelengths at both ends of the spectrum Carotenoids absorb the narrowest range of wavelengths of light
The chlorophyll in photosynthesis is used for: I. Absorbing light II. Breaking down water molecule III. No function IV. Reduction of CO2
4. Below each item, identify WHAT it is, indicate WHERE in the chloroplast it is used/made, identify WHICH STEP of photosynthesis it is used/made in, indicate WHY it is used/made in photosynthesis. Then draw an arrow to indicate where electrons are donated from and end up. 6CO2 6H₂0 ENERGY C6H12O6 WHAT WHERE STEP WHY + + + 60₂ E E

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22. During oxygenic photosynthesis, the oxygen atoms that start out in substrate water molecules will: A. end up in product carbon monoxide molecules B. end up in product C6H1206 molecules