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For a gene to be transcribed, the RNA
polymerase has to bind to a _____
sequence of nucleotides on the DNA.
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Promotor
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If an mRNA codon reads UAC, its
complementary anticodon will be:
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AUG
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In humans, what percent of the genome is devoted to the exons that encode proteins?
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About 1.5%
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The primary RNA transcript is:
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MRNA before the introns have been removed
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A group of DNA nucleotides that contains the information to produce a single protein is a:
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Gene
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The bases of RNA are the
same as those of DNA with the exception that RNA contains: |
Uracil instead of thymine
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The process of bringing in
the appropriate amino acid into position along the mRNA in the cytoplasm is: |
Translation
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Which site on the ribosome
does the new tRNA bring an amino acid to? |
A
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The RNA copy of DNA that
leaves the nucleus and travels to the cytoplasm to make proteins is: |
MRNA
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The site where RNA
polymerase attaches to the DNA molecule to start the formation of mRNA is called a(n): |
Promoter
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The molecule that carries
each amino acid to its correct position along mRNA in the cytoplasm is: |
TRNA
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Which of the following
cannot be a product of transcription? |
Protein
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To turn genes off, a
regulatory protein called a __________ is bound to a regulatory site so that RNA polymerase is blocked. |
Repressor
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The three nucleotide
sequence on mRNA is called an anticodon. |
FALSE
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A(n) ____________ is a
piece of DNA with a group of genes that are transcribed together as a unit. |
Operon
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