Which of the following is not involved in seed
germination?
a. Cold.
b. Light.
c. Water.
d. Abrasion.
e. All of these are involved.
E
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It has since been discovered that many plants synthesize molecules that destroy the corpora alata, the structures responsible for synthesis of juvenile hormone. How do levels of juvenile hormone disrupt the insect life cycle?
A. Exposure to juvenile hormone prevents the larvae from developing into adult insects. B. Exposure to juvenile hormone causes juvenile insects to die. C. Excess juvenile hormone causes insects to molt prematurely. D. Exposure to juvenile hormone prevents molting.
What is the general order of genes involved in determining early Drosophila development?
What will be an ideal response?
Most of the wood of a tree trunk consists of
A. vascular tissue. B. collenchyma tissue. C. sclerenchyma tissue. D. dermal tissue. E. parenchyma tissue.
In photosynthesis, the cycle of reactions that uses carbon dioxide to synthesize glucose is known as the ___.
a) Calvin cycle b) light-independent cycle c) unicycle d) light-dependent cycle