I think the correct answer from the choices listed above is option B. A modification of the leaves into the spine in a cactus plant can be seen The spines are modified leaves. It helps defend the plant and also reduce the surface area which helps limit loss of water.
NADPH builds up in the STROMA of the chloroplasts during electron transport. In chloroplasts, NADP+ is reduced by the ferredoxin-NADP+ reductase.
Nicotinamide adenine dinucleotide phosphate (NADPH) is the reduced electron form of NADP+.
The NADPH coenzyme is generated during the last step of the electron transport chain of the light-dependent reactions of photosynthesis.
NADPH is used by plant cells as an electron donor in different reactions associated with dehydrogenase and reductase enzymes.
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Chewing bread, tearing paper, breaking rocks
Half .
I think that’s right .