Which of the Following Characterizes BRCA1 and BRCA2 as Tumor-Suppressor

question 14

Multiple Choice

Which of the following characterizes BRCA1 and BRCA2 as tumor-suppressor genes?

• A) Their normal products participate in repair of DNA damage.
• B) The mutant forms of either one of these prevent breast cancer.
• C) The normal genes code for estrogen receptors.
• D) They block penetration of breast cells by chemical carcinogens.

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Definitions:

Somatic Nervous System

Part of the peripheral nervous system that controls voluntary movements of the body and transmits sensory information to the central nervous system.

Central Nervous System

The part of the nervous system that consists of the brain and spinal cord, responsible for processing and transmitting information.

Afferent Nerve Fibres

Nerve fibers that carry sensory signals from organs and tissues towards the central nervous system.

Central Nervous System

The part of the nervous system that includes the brain and spinal cord; it is responsible for processing and coordinating information from and to the entire body.