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goblinko [34]
3 years ago
7

The Calvin cycle is considered light-independent because it can occur in darkness. However, most often the Calvin cycle takes pl

ace in sunlight.
Which of the following likely explains why?
A) The enzymes involved in the Calvin cycle are unable to bind substrates in the dark.
B) Sunlight is important in activating carbon fixation in the Calvin cycle
C) The Calvin cycle requires ATP and NADPH, which require sunlight to be produced
D) RußP regeneration requires sunlight in order to occur and continue the Calvin cycle.
Biology
1 answer:
GarryVolchara [31]3 years ago
6 0

Answer:

C) The Calvin cycle requires ATP and NADPH, which require sunlight to be produced

Explanation:

The light-dependent phase of photosynthesis includes the photolysis of water molecules. The released electrons are passed to PSII to PSI via electron carriers and finally to NADP+ to reduce it into NADPH.

Transfer of electrons via electron carriers also generates the proton concentration gradient which in turn drives ATP synthesis. ATP and NADPH formed during light reactions are used in the Calvin cycle as an energy source and electron donor respectively.

Hence, to continue, the Calvin cycle requires the synthesis of ATP and NADPH in the presence of light.

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Some roses have streaks of pink and streaks of red to give a striped effect to
Natali [406]

Answer:      ½ Rr (pink)     ½ RR (red) b. rr × Rr gametes:      Rr: ½ R, ½ r     rr: all roffspring:      ½ Rr (pink)     ½ rr (white) c. RR × rr gametes:      rr: all r     RR: all Roffspring:      all Rr (pink) d. Rr × Rr gametes:      Rr: ½ R, ½ r for each parent offspring:      ½ Rr (pink)     ¼ RR (red)  ¼ rr (white)

Explanation:

5 0
3 years ago
Can y’all please help me with this
zaharov [31]
“C” is the correct answer
8 0
3 years ago
Is The Answer A B C or D
LekaFEV [45]
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6 0
3 years ago
The drug colchicine inhibits the formation of spindle fibers during mitosis. If you treat dividing plant cells with colchicine,
vekshin1

Answer:

D

Explanation:

During metaphase of cell division, the chromosomes line up in the metaphase plate and the spindle fibers from the poles extend and attach to the centromeres of the chromosomes. The spindle then contracts and pull different chromosomes to the opposite poles of the cell before the parent cell divides.   If spindle fibers do not form, then the chromosomes will not separate during anaphase.

Therefore, the final cell after mitosis will be a cell with double the number of chromosomes -because if you remember, during interphase, genetic material is replicated so each daughter cell can have its copy-. Due to quality control in the process of cell divisison, this cell will mostly undergo apoptosis, otherwise, it could develop into cancer.

8 0
3 years ago
At the complete end of cellular respiration, how many molecules of ATP are produced?
Shkiper50 [21]

Hello! The answer to your question would be as followed:

<u><em>A. 38 molecules of ATP are produced</em></u>

<u><em></em></u>

The ATP yield during aerobic respiration isn't 36-38, but only about 30-32 ATP molecules/ 1 molecule of glucose.

3 0
3 years ago
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