The plant hormone abscisic acid (ABA) is involved in the regulation of photorespiration. Based on this information, ABA likely plays a role in
A. the photoelectric effect.
B. cyclic photophosphorylation.
C. the opening and closing of stomata.
D. noncyclic photophosphorylation.
Answer: C
You might also like to view...
Why are seedless vascular plants considered paraphyletic rather than monophyletic?
A) Some of the groups within the seedless vascular plants are more closely related to each other than to other groups (such as Lycophyta). B) They share a more recent common ancestor with seeded plants than they do with the non-vascular plants. C) All of the groups contained within the seedless vascular plants do not have the same ancestor. D) The group includes their common ancestor but also the seeded descendants of that same ancestor.
The process of moving water through a plant by transpiration works because water molecules stick to each other with
A. turgor pressure. B. osmosis. C. ionic bonds. D. adhesion. E. hydrogen bonds.
A cross is done between parents with genotypes aaBbCc and aaBbcc. What is the probability that
offspring will have the same genotype as the first parent?
a. 1/8 b. 1/4 c. 3/8 d. 3/16 e. 9/16
carbon dioxide fixation occurs in _____ cells
What will be an ideal response?