In red blood cells, carbon dioxide binds directly to the

a. heme group.
b. iron atom.
c. oxygen molecule.
d. the globin chains.
e. magnesium atom.


D

Biology & Microbiology

You might also like to view...

In regions where malaria is prevalent, individuals who are _____ for the S (sickling) allele have a selective advantage

A. heterozygous for the S (sickling) allele B. homozygous for the S (sickling) allele C. heterozygous for the A (nonmutant) allele D. homozygous for the A (nonmutant) allele

Biology & Microbiology

An organism isolated from a sputum sample that has a "hockey puck" consistency would have which of the following biochemical profiles?

a. Glucose-positive, maltose-positive, and lactose-positive b. Glucose-positive, maltose-positive, and lactose-negative c. Glucose-positive, maltose-negative, and lactose-negative d. Glucose-negative, maltose-negative, and lactose-negative

Biology & Microbiology

The class of neurotransmitters that most commonly acts as a modulator of postsynaptic cell response are the

A. amino acids. B. gases such as nitric oxide. C. neuropeptides. D. biogenic amines. E. acetylcholine.

Biology & Microbiology

Which of the lakes in the accompanying figure may have a thermocline?

a. 1 b. 2 c. 4 d. 1 and 3 e. 2 and 4

Biology & Microbiology