If the equilibrium constant, Keq, for the reaction ATP → ADP + Pi is 2.22 × 10⁵ M, calculate the standard free-energy change, ΔG°, for the synthesis of ATP from ADP and Pi at 25 °C.

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#Question id: 3805

#XL - Q Biochemistry

A newly replicated DNA duplex is likely to have:

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#Question id: 3806

#XL - Q Biochemistry

How are damaged nucleotides recognized by DNA repair enzymes?

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#Question id: 3807

#XL - Q Biochemistry

If the genes from the following list were damaged, which gene would most likely be repaired first?

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#Question id: 3808

#XL - Q Biochemistry

Fibroblast cells from several different xeroderma pigmentosa patients were cultured, then fused in intergenic complementation studies. Which cell fusions would not result in a hybrid capable of repairing damaged DNA?

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#Question id: 3812

#XL - Q Biochemistry

The mechanism of DNA replication is studied in an E. coli replication fork. Which is a characteristic of this replication fork?

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#Question id: 3848

#XL - Q Biochemistry

are small molecules that function as adapters between amino acids and codons.