3 Answered Questions for the topic cell bio


Why is ATP an important molecule in metabolism?

a. Its terminal phosphate group contains a strong covalent bond that does not contain much chemical energy b. Its hydrolysis provides an input of free energy for exergonic reactionsc. It provides... more


A codon is a group of three bases that specifies a particular amino acid. Which of the following enzymes can ‘read’ codons on an mRNA?

a.DNA polymeraseb.Ribosomec.Primased.RNA polymerase 


Where, on the mRNA coding for such a protein, would the ER signal sequence likely be located?

A. The signal sequence is not part of the mRNA and is added separately by an enzyme.B.Immediately before the stop codon.C. Anywhere in the mRNA.D.Immediately after the start codon.

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