The function of adenylyl cyclase is to
A. catalyze the conversion of ATP to cAMP.
B. stimulate the release of calcium from the endoplasmic reticulum.
C. directly activate protein kinase A (PKA).
D. cleave PIP2 into DAG and IP3.
Answer: A
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When constructing a karyotype, the chromosome images are arranged in pairs according to ____________________ and ____________________
a. size; telomere location b. size; centromere location c. banding pattern; centromere location d. banding pattern; telomere location e. size; banding pattern
Media prepared in the laboratory should be tested for quality using all of the following except:
a. check test organism viability for expected growth. b. confirm identify of organism using Gram stain. c. check the pH of the media. d. record lot number.
Suppose that the dinucleotide in the accompanying figure were cleaved with the enzyme spleen diesterase, which breaks the covalent bond connecting the phosphate to C-5'
After such cleavage, to which nucleoside is the phosphate now attached?
Compare and contrast the three domains identified by Woese and Fox: Eukarya, Bacteria, and Archaea
What will be an ideal response?