For which of the following is the first amino acid in proteins formylmethionine?

a. Archaea only
b. Bacteria only
c. both Archaea and Bacteria
d. neither Archaea nor Bacteria
e. Archaea, Bacteria and Eukarya


B

Biology & Microbiology

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What is the most efficient way to regulate gene expression from the perspective of cellular resources? What will be an ideal response?

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When DNA replication proceeds along a template, which of the following best describes the directionality of synthesis?

A. in the 3'-to-5' direction B. in both the 3'-to-5' and the 5'-to-3' directions C. in the 5'-to-3' direction D. from the centromere to the telomeres E. from telomere to telomere

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This polysaccharide is an important ECM component for the exoskeleton of many insects and shellfish.

A. laminin B. glycosaminoglycans C. proteoglycan D. collagen E. chitin

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