Which of the Following Statements About the Cell Cycle Is/are

question 3

Multiple Choice

Which of the following statements about the cell cycle is/are true?

• A) In cancer cells, the cell cycle is shortened primarily as a result of shortening of the S phase.
• B) Regulation of the rate of growth of the cells appears to be controlled by regulation of the rate of DNA synthesis during S phase.
• C) RNA synthesis and protein synthesis are not required for the synthesis of DNA in S phase.
• D) Differentiated tissues such as muscle cells remain in G1 phase.

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Definitions:

Diastereomers

Stereoisomers that are not mirror images of each other; compounds that have multiple stereocenters with at least one differing in configuration.

Nylon 6,6

A type of polyamide or nylon made from hexamethylene diamine and adipic acid, characterized by high strength and melting point.

Biodegradable Polymer

A type of polymer that can be broken down by biological processes, including microbial action, into natural substances like water and carbon dioxide.

L-Lactic Acid

The left-handed (levo) isomer of lactic acid, often involved in biological processes such as fermentation and muscle metabolism.