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- 1. Multiple Choice
Which of the following descriptions of genetic information flow best illustrates the central dogma of biology
protein to RNA to DNA
protein to DNA to protein
RNA to DNA to protein
DNA to RNA protein
- 2. Multiple Choice
During transcription
protein is synthesized from amino acids.
DNA is replicated.
protein is synthesized from DNA.
RNA is synthesized from DNA.
- 3. Multiple Choice
To express a gene, DNA is first transcribed into a corresponding strand of
mRNA.
mtDNA.
rRNA.
tRNA.
- 4. Multiple Choice
The DNA template ATGCGTTA is transcribed into an RNA strand with the sequence
UACGCAAU.
TACGCAAT.
AUGCGAAU.
UAACGCAU.
- 5. Multiple Choice
The nitrogenous base that is in RNA but not in DNA is
urea.
uracil.
thymine.
thiamine.
- 6. Multiple Choice
A codon consists of three consecutive
DNA bases.
tRNA bases.
mRNA bases.
amino acids.
- 7. Multiple Choice
The enzyme that synthesizes messenger RNA from a DNA template is
DNA polymerase.
reverse transcriptase.
RNA polymerase.
ligase.
- 8. Multiple Choice
Parts of an mRNA molecule that are removed before protein synthesis are called
promoters.
exons.
introns.
exomes.
- 9. Multiple Choice
Ribosomes begin translation of an mRNA transcript at the first
tRNA.
AUG.
anticodon.
promoter.
- 10. Multiple Choice
Type of bonds form between amino acids during elongation.
Peptide
Glycine
Hydrogen
Disulfide
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