A biologist discovers an alga that is marine, multicellular, and lives at a depth reached only by blue light. This alga probably belongs to which group?

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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.

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#Question id: 3849

#XL - Q Biochemistry

Which of the following is short 20 to 22-nucleotide single-stranded RNAs that block the expression of complementary or partially complementary mRNAs.

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#Question id: 3850

#XL - Q Biochemistry

The RNA molecule produced in RNA synthesis is: