Answer:
By preventing the synthesis of DNA halting cell growth.
Explanation:
Fluorouracil and methotraxate prevent the synthesis of the neucleoside Thymidine thus preventing DNA replication and elongation. Methotraxate has a structure analogous to Folic acid which is important for thymidine synthesis. Thus, it acts as a competitive inhibitor on dihdrofolate reductase an enzyme that is essential for tetrahydrofolate formation, a folic acid derivative.
Fluorouracil acts by inhibiting thymidylate synthase which catalyses an essential step in Thymidine synthesis.
<span>A male or female reproductive cell is called a "Gamete"
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trees in bloom shed their leaves in winter to survive the harsh winters
Shock (circulatory) Shock is the state of not enough blood flow to the tissues of the body as a result of problems with the circulatory system.
Answer:
A
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