If the Radius of Wire Stretched by a Load Is

question 7

Multiple Choice

If the radius of wire stretched by a load is doubled, then its Young's modulus will be

• A)Doubled
• B)Halved
• C)become four times
• D)remain unaffected

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Definitions:

Transcription Factors

Transcription factors are proteins that regulate the transcription of genes by binding to specific DNA sequences, thereby increasing or decreasing the transcription of genes.

Coenzymes

Substances that enhance the action of enzymes by facilitating their ability to catalyze biochemical reactions.

Acetyl Groups

Functional groups derived from acetic acid, consisting of a methyl group single-bonded to a carbonyl. The formula is CH3CO, often denoted as Ac in chemical structures.

Histone Tails

Histone tails are the N-terminal extensions of histone proteins that protrude from the nucleosome and play a key role in regulating gene expression by undergoing various chemical modifications.