How many "turns" are present in insulin chain B?
a. 1
b. 2
c. 3
d. 4
a
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In the EIA test for HIV infection, the microtiter plate is coated with disrupted HIV particles
Indicate whether the statement is true or false.
Which of the following is likely to occur after drinking three alcoholic beverages?
A. Increased urination due to alcohol activating antiduretic hormone production. B. Decreased urination due to alcohol activating aldosterone production. C. Increased urination due to alcohol inhibiting antidiuretic hormone production. D. Decreased urination due to alcohol inhibiting antidiuretic hormone production. E. Increased urination due to alcohol inhibiting aldosterone production.
To make a clone of an adult animal the nucleus of what cell is removed and replaced?
a. unfertilized egg b. fertilized egg
c. Sperm d. stem cell e. red blood cell
Although covalent bonds are 10–100 times stronger than noncovalent interactions, many biological processes depend upon the number and type of noncovalent interactions between molecules
Which of the noncovalent interactions below will contribute most to the strong and specific binding of two molecules, such as a pair of proteins? (a) electrostatic attractions (b) hydrogen bonds (c) hydrophobic interactions (d) Van der Waals attractions