Adenylyl cyclase is activated directly by:
a. a G protein subunit bound to GTP.
b. a G protein subunit bound to GDP.
c. cAMP.
d. a protein kinase.
e. a hormone.
B
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What key words does the question contain and what do they mean?
What will be an ideal response?
What is the function of pine resins?
A. transportation of sucrose to the roots B. reduction of fungal and insect parasitism C. triggering of seed maturation D. aiding in pollen dispersal
If a body cell has 8 chromosomes (e.g., fruit fly), how many pairs will form during Prophase II?
A. 4 B. 8 C. 2 D. None of these is correct.
On the population level, evolution not only occurs via natural selection, but also through other forces such as genetic drift
Could you imagine how a process on the macroevolutionary level that is analogous to genetic drift could produce the phylogenetic pattern shown in the figure below? What will be an ideal response?