A Restriction Enzyme from a Bacterium Is Able to Cut

question 13

Multiple Choice

A restriction enzyme from a bacterium is able to cut a human's DNA because

• A) bacteria and humans are both prokaryotes.
• B) all organisms use the same DNA nucleotides.
• C) bacteria and humans have identical genomes.
• D) a given restriction enzyme can cut DNA at several different sequences.

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Definitions:

Teratogens

Agents, such as chemicals or viruses, that can cause malformations or defects in an embryo or fetus.

Conception

Conception is the process of a sperm fertilizing an egg, leading to the beginning of pregnancy.

Syphilis

A sexually transmitted infection caused by the bacterium Treponema pallidum, characterized by distinct phases and potentially serious health consequences if left untreated.

Thalidomide

A sedative linked to birth defects, especially deformed or absent limbs.