17. One reason why plants require water is that water broken down during which o
ID: 148112 • Letter: 1
Question
17.
One reason why plants require water is that water broken down during which of the folllowing reactions?
oxidative phosphorylation
the light reaction
the Calvin Cycle
anaerobic respiration
18.
Which molecule would you expect to find in a plant cell but NOT an animal cell?
Acetyl CoA
NADP
ATP
NADH
19.
The enzyme RuBisCO would most likely be found in _____.
animal cell
all of the above
a virus
green algae
20.
Which of the following is NOT true of human chromosomes?
They contain DNA and proteins.
They are linear (i.e. not circular).
There is one pair of sex chromosomes in most cells of the body.
There are 64 pairs of chromosomes.
oxidative phosphorylation
the light reaction
the Calvin Cycle
anaerobic respiration
18.
Which molecule would you expect to find in a plant cell but NOT an animal cell?
Acetyl CoA
NADP
ATP
NADH
19.
The enzyme RuBisCO would most likely be found in _____.
animal cell
all of the above
a virus
green algae
20.
Which of the following is NOT true of human chromosomes?
They contain DNA and proteins.
They are linear (i.e. not circular).
There is one pair of sex chromosomes in most cells of the body.
There are 64 pairs of chromosomes.
Explanation / Answer
17. Light reaction,
Water is required by plants because it's a light induced electron transport from water to NADP+ and a concomitant evolution of water is occured. Water acts as an electron donar. Splitting of two water molecules yields four electrons, four protons and molecular oxygen.
18.NADP
because it is used to fuel the reaction in photosynthesis.
19. Green algae, RuBisCO is the pacemaker enzyme of the Calvin cycle and Calvin cycle takes place in the stroma of chloroplasts in eukaryotic photosynthetic organisms.
20. There are 64 pairs of chromosomes.
In humans there are 23 pairs of chromosomes available.
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