The Mechanism by Which Type I Topoisomerase Relaxes DNA Includes

question 43

Multiple Choice

The mechanism by which type I topoisomerase relaxes DNA includes which of the following?

• A) The OH of Tyr 723 attacks a phosphate group on one DNA strand.
• B) When the backbone of one strand is cleaved, the DNA rotates.
• C) ATP binds, leading to a conformation change.
• D) All the answers are correct.
• E) The OH of Tyr 723 attacks a phosphate group on one DNA strand, and when the backbone of one strand is cleaved, the DNA rotates.

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Definitions:

Evolutionary Change

The process through which species undergo modification and diversification over generations due to natural selection, genetic drift, and other mechanisms.

Tolerant

Tolerant describes an organism's ability to withstand or survive within a range of environmental or situational conditions.

Mutations

Changes in the DNA sequence of an organism's genome, which can lead to variations in phenotype and can be inherited by future generations.

Rare Genetic Diseases

Disorders caused by changes in genes or chromosomes, often with low prevalence in the general population but with significant impacts on those affected.