A Gene Can Best Be Defined As_________

question 88

Multiple Choice

A gene can best be defined as_________ .

• A) a segment of DNA that carries the instructions for one polypeptide chain
• B) a three-base triplet that specifies a particular amino acid
• C) noncoding segments of DNA up to 100,000 nucleotides long
• D) an RNA messenger that codes for a particular polypeptide

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Definitions:

Glomerulus

A group of capillaries in the renal corpuscle.

Renal Corpuscle

Corpuscle that is composed of the glomerulus and the glomerular capsule. The filtration of blood occurs here.

Capillaries

The smallest blood vessels in the body's circulatory system, responsible for the exchange of water, oxygen, carbon dioxide, and many other nutrient and waste substances between blood and tissue cells.

Retroperitoneal

An anatomical term that means behind the peritoneal cavity. It is where the kidneys lie.