Recent Studies on Cell Cycle Controls Have Revealed That Animal

question 8

Multiple Choice

Recent studies on cell cycle controls have revealed that animal cells can employ certain factors to override the inhibitory controls of cell division.These belong to a class of proteins called

• A)histones.
• B)channel proteins.
• C)growth factors.
• D)gating proteins.
• E)neurotransmitters.

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Definitions:

Isomers

Molecules that have the same molecular formula but differ in the arrangement of atoms, resulting in different properties.

Molecular Formula

A representation of the number and type of atoms in a molecule but not the structure.

Branched Isomers

Organic compounds having the same molecular formula but different structural formulas due to branching in the carbon chain, affecting their physical and chemical properties.

Methyl Branches

Groups consisting of one carbon atom bonded to three hydrogen atoms (-CH3), attached to the main chain of organic molecules.