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bind o a. MAPK e c nuclear receptor d. tyrosine kinase rectors QUESTION 24 Which

ID: 132798 • Letter: B

Question

bind o a. MAPK e c nuclear receptor d. tyrosine kinase rectors QUESTION 24 Which of the following is true when a normal biosynthetic pathway is o a. The organism can always the e b. The organism can never make the necessary compounds by using the reverse of blocked? make the necessary compounds by using the reverse of the blocked synthetic pathway organism can never make the necessary compounds by using the reverse of the blocked syathetic pathway blocked c. The organism will always die. Od. The organism can often make the necessary compounds by using the reverse of the blocked syathetic pathway QUESTION 25 Thymine nucleotides are not synthesized directly by cells but indirectly from other pyrimidine statements regarding thymine nucleotide synthesis are true EXCEPT a. THF is used as a cofactor b. dUMP is the immediate precursor for dTMP The methyi donor in the reaction of dTMIPa N N10methyiene-THF Sare and tbwadbn calww

Explanation / Answer

23-c- Nuclear receptors

24 -d- The organism can often make the necessary compounds by using the reverse of the blocked biosynthetic pathway.

25-d - The action of dUTP ase allows dUTP to serve as a substrate in DNA synthesis.