Which Statement Is True

question 155

Multiple Choice

Which statement is true?

• A) Hemoglobin transports O₂ but not CO₂.
• B) The conversion of CO₂ and H₂O into carbonic acid proceeds most quickly in extracellular fluid.
• C) The γ-globin chains of fetal hemoglobin have a higher affinity for 2,3-bisphosphoglyceric acid (BPG) than do the β-globin chains of adult hemoglobin.
• D) The conversion of CO₂ and H₂O into carbonic acid proceeds very rapidly in red blood cells.
• E) The conversion of CO₂ and H₂O into carbonic acid proceeds slowly in endothelial cells.

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Definitions:

Hormone

Substance secreted by endocrine tissues into the blood that acts on a target tissue to produce a specific response.

Follicles

Structures within the ovaries that contain a developing egg and produce hormones, or small sacs in the skin from which hair grows.

FSH

Follicle-stimulating hormone, a gonadotropic hormone secreted by the anterior pituitary gland responsible for maturation of ovarian follicles and sperm production.

Progesterone

A female sex hormone critical for the regulation of ovulation and menstruation as well as supporting pregnancy.