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

Biology & Microbiology

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What will be an ideal response?

Biology & Microbiology

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

Biology & Microbiology

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.

Biology & Microbiology

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?

Biology & Microbiology