What kind of bond is formed between complementary base pairs to join the two DNA strands into a double helix?
A) ionic bond
B) phosphodiester bond
C) hydrogen bond
D) disulfide bond
E) peptide bond
C
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If vaccinia viruses were not both immunogenic and relatively benign, they would likely not be a favored vehicle for vaccinations
Indicate whether the statement is true or false.
Compare and contrast local regulators, neurotransmitters, and hormones. What will be an ideal response?
Which of the following statements regarding heterotrimeric G proteins in a resting state is true?
a. GDP is bound to the ? subunit in a complex with both the ? and ? subunits. b. GDP is bound to the ? subunit in a complex with both the ? and ? subunits. c. GTP is bound to the ? subunit in a complex with both the ? and ? subunits. d. The proteins are in a complex with G protein-coupled receptors.
How does the brain affect the heart rate and strength of contraction? Describe the specific nerve, hormones, locations on the heart that are affected, and the effect on the heart.
What will be an ideal response?