RNAS-C Practice Exam 1|49 Questions with Verified Answers,100% CORRECT
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RNAS-C Practice
RNAS-C Practice Exam 1|49 Questions with Verified Answers
What type of RNA specifies the amino acid sequence of a particular protein?
a. miRNA
b. tRNA
c. mRNA
d. rRNA
e. Both c and d are correct answers. - CORRECT ANSWER mRNA
A nucleic acid is
a. a polymer of nucleotides.
b. hydrop...
RNAS-C Practice Exam 1|49 Questions with Verified Answers
What type of RNA specifies the amino acid sequence of a particular protein?
a. miRNA
b. tRNA
c. mRNA
d. rRNA
e. Both c and d are correct answers. - CORRECT ANSWER mRNA
A nucleic acid is
a. a polymer of nucleotides.
b. hydrophobic.
c. linked to an amino acid via a peptide bond.
d. a form of energy storage in the cell.
e. linked to other nucleic acids by covalent bonds between bases. - CORRECT ANSWER A polymer of nucleotides
If the first exon of a primary transcript encoding a nuclear protein (that is not normally alternatively splice) is incorrectly removed, what will become of that PROTEIN?
a. It will not be synthesized.
b. It will never leave the nucleus.
c. It will be fully synthesized in the cytosol and never enter the nucleus. d. It will immediately be degraded in the lysosome.
e. Both a and b are correct answers. - CORRECT ANSWER It will not be synthesized
The assembly of the large and small ribosomal subunits each with their associated
rRNA
a. occurs on the surface of the endoplasmic reticulum.
b. occurs in the nucleus.
c. occurs in the cytosol, not in association with the endoplasmic reticulum. d. does not occur until the small subunit binds to the mRNA in the nucleus.
e. does not occur until the small subunit binds to the mRNA in the cytoplasm. - CORRECT ANSWER Occurs in the nucleus
As described in class, during transcription of a certain gene, the RNA polymerase will transcribe
a. both strands, but only one RNA molecule will be used.
b. only one of the DNA strands, moving in a 3' to 5' direction along the template. c. both strands, but moving 3' to 5' for one and 5' to 3' along the other.
d. only the exons of the gene while skipping over the introns.
e. Both a and c are correct answers. - CORRECT ANSWER Only one of the DNA strands, moving in a 3' to 5' direction along the template
What kind of bond is characterized by the sharing of electrons?
a. ionic bond
b. polar covalent bond
c. H-bond
d. nonpolar covalent bond
e. Both b and d are correct answers. - CORRECT ANSWER Both polar covalent bond and non-polarcovalent bond
If the 5-carbon sugar shown in Figure 1 was part of a nucleotide used to make a/an __________, the number __________ carbon would be bonded to a phosphate? (Note this nucleotide is located in the middle of the nucleic acid and not at either end.)
a. RNA,5'
b. RNA,3'
c. DNA 5'
d. DNA, 3'
e. Both a and b are correct answers. - CORRECT ANSWER Both RNA 5' and RNA 3'
The name of the 5-carbon sugar shown in Figure 1 is a. hexose.
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