9.The following question refers to this figure of a simple metabolic pathway: A

Question

9.The following question refers to this figure of a simple metabolic pathway:

A -------enzyme A----------> B -------enzyme B---------> C

If A, B, and C are all required for growth, a strain that is mutant for the gene-encoding enzyme A would be able to grow on which of the following media?
A. minimal medium supplemented with nutrients A and C
B. minimal medium supplemented with nutrient B only
C. minimal medium
D. minimal medium supplemented with nutrient C only
E. minimal medium supplemented with nutrient A only




10.What amino acid sequence will be generated, based on the following mRNA codon sequence?

5' AUG-UCU-UCG-UUA-UCC-UUG 3'

(see codon chart in textbook)
A. met-leu-phe-arg-glu-glu
B. met-ser-leu-ser-leu-ser
C. met-glu-arg-arg-glu-leu
D. met-arg-glu-arg-glu-arg
E. met-ser-ser-leu-ser-leu

Explanation / Answer

9)E 10)E

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