The specialized membrane proteins that actively transport sodium and potassium ions across the plasma membrane are known as the ________
A) sodium-chloride pump
B) sodium-manganese pump
C) sodium-potassium pump
D) sodium pump
C
You might also like to view...
A mutation in which the fate of cell lineages is not synchronized in an organism is called a ____
A. heterochronic mutation B. apoptotic mutation C. homeotic mutation D. homeobox mutation
In most eumetazoans the middle tissue layer during development is the
a. mesoderm. b. epiderm. c. mesoglea. d. endoderm. e. ectoderm.
A cow converts the energy of glucose into the energy of ATP. What happens to most of the energy in that conversion?
a. It remains with the glucose – it can’t be extracted. b. It is lost as heat energy. c. It is within the ATP molecule. d. It is recycled back into glucose. e. It is utilized in other metabolic pathways.
Sticky ends are so named because ____
a. they are single stranded and will base pair with complementary sequences b. covalent bonds spontaneously form between them to form a continuous DNA molecule c. primers hybridize to them during the first step of PCR d. they hybridize to a DNA sequence of interest e. they stick to invading viral DNA