Thymine Nucleotides Are Not Synthesized Directly by Cells but Indirectly

question 30

Multiple Choice

Thymine nucleotides are not synthesized directly by cells but indirectly from other pyrimidine deoxyribonucleotides.Which of these statements is NOT correct regarding thymine nucleotide synthesis?

• A)dUMP is the immediate precursor for dTMP.
• B)The action of dUTPase allows dUTP to serve as a substrate in DNA synthesis.
• C)The methyl donor in the reaction of dTMP is N5,N10-methylene-THF.
• D)THF is used as a cofactor.

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Definitions:

Broken Window Fallacy

The misconception that destruction and the subsequent spending to repair the damage stimulate economic growth.

Economic Activity

The activities related to the creation, dissemination, and utilization of products and services within an economy.

Upward-sloping

A term often used in economics to describe a line on a graph that shows an increase in a variable as another variable increases, such as supply or demand curves in relation to price.

Downward-sloping

A downward-sloping curve illustrates a negative relationship between two variables, commonly seen in demand curves where price and quantity demanded are inversely related.