Each Hemoglobin Molecule

question 6

Multiple Choice

Each hemoglobin molecule

• A) has one heme group.
• B) contains two polypeptide chains.
• C) transports four oxygen molecules.
• D) has two iron atoms and two globin chains.
• E) transports one oxygen molecule.

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Definitions:

Clitoris

A female sexual organ located at the anterior part of the vulva, known for its sensitivity and role in female sexual pleasure.

Infundibulum

A funnel-shaped cavity or structure, especially the stalk connecting the pituitary gland to the hypothalamus in the brain.

Fimbriae

Finger-like projections at the end of the fallopian tubes that help guide the egg from the ovary towards the uterus.

Ciliary Action

The movement of cilia, small hair-like structures, which work to move particles or fluids over the surface of certain cells.