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- 1. Multiple ChoiceSince the first nucleotides cannot be linked in a newly synthesized strand in DNA replication, ___________ is required.a DNA primerDNA polymeraseligasean RNA primer
- 2. Multiple ChoiceIn nucleic acids, the free hydroxyl group is attached to the _______________ carbon of the sugar.5'4'3'2'
- 3. Multiple ChoiceA single enzyme is specified by a singlechromosomegenenucleotide
- 4. Multiple ChoiceIn DNA guanine always pairs withadeninecytosinethymineguanine
- 5. Multiple ChoiceIn DNA, thymine always pairs withthyminecytosineadenineguanine
- 6. Multiple ChoiceThe first nuclear transplant from an animal to an egg that produced a normal adult was performed on acatdoghumanfrog
- 7. Multiple ChoiceWhich base pairs are found in DNA?A–C and T–GA–T and C–GA–G and C–TA-U and C-G
- 8. Multiple ChoiceThe polarity in a DNA strand is indicated by referring to one end as the 3′ end and the other as the 5′ end. Which structure is on the 3′ end?Hydroxyl groupPhosphate groupNitrogenous base
- 9. Multiple ChoiceWhat does the term ‘genetic code’ refer to?The correspondence between the 4-letter nucleotide alphabet of DNA and the 20-letter amino acid alphabet of proteinsThe set of genes encoded in an organism’s DNAThe substitution of uracil (U) for thymine (T) in an RNA molecule
- 10. Multiple ChoiceEach chromosome contains:one long DNA molecule.one long RNA molecule.one long sequence of amino acids.a single gene for a protein.
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