CSU BMS 300 Final Exam Questions With Correct Answers

CSU BMS 300 Final Exam Questions With
Correct Answers

Which of the following bonds are responsible for the dipole moment of
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a water molecule?
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a. hydrogen bonds
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b. ionic bonds
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c. polar bonds
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d. covalent bonds - ANSWER✔✔✔-d. covalent bonds
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There are currently clinical trials researching the efficacy of mRNA
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vaccines to protect against HIV, Zika, rabies, and Ebola viruses. Upon
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injection of an mRNA vaccine, mRNA would be read:
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a. 3'-5' by the large ribosomal subunit
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b. 5'-3' by the large ribosomal subunit
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c. 3'-5' by the small ribosomal subunit
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d. 5'-3' by the small ribosomal subunit - ANSWER✔✔✔-d. 5'-3' by the
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small ribosomal subunit
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Which of the following may contain a nuclear localization factor?
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a. DNA, RNA, and histone proteins
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,b. DNA and RNA
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c. RNA and polymerase proteins
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d. DNA and secreted proteins - ANSWER✔✔✔-c. RNA and polymerase
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proteins


Which of the following ions has a higher intracellular concentration? a.
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Na+ |




b. Ca2+
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c. Cl-
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d. K+ - ANSWER✔✔✔-d. K+
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Which polymerase is responsible for the production of mRNA?
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a. RNA polymerase I
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b. RNA polymerase II
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c. RNA polymerase III
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d. All of the above - ANSWER✔✔✔-b. RNA polymerase II
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Which of the following proteins would have a signal peptide?
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a. Na+/K+ ATPases
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b. clathrin proteins
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c. spliceosomes
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d. myosin motor proteins - ANSWER✔✔✔-a. Na+/K+ ATPases
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,The DNA in mitochondria would be expected to be:
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a. bound to histones
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b. contained in a nucleus
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c. organized in chromosomes
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d. circular - ANSWER✔✔✔-d. circular
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Between the time pre-mRNA is generated and the time when introns
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are removed, a type of RNA called SnoRNA adds a methyl group to some
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bases on the pre-mRNA. Where would you expect SnoRNA to function?
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a. ribosome
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b. nucleus
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c. rough endoplasmic reticulum
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d. cytoplasm - ANSWER✔✔✔-b. nucleus
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The R groups of an integral protein that interact with extracellular fluid
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are most likely:
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a. hydrophilic
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b. hydrophobic
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c. amphipathic
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d. phospholipids - ANSWER✔✔✔-a. hydrophilic
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, Embryonic germ cells are transcriptionally dormant. You would expect
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these cells to have:
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a. high levels of spliceosomes
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b. DNA primarily in euchromatin form
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c. DNA primarily in heterochromatin form
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d. high levels ATP synthesis - ANSWER✔✔✔-c. DNA primarily in
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heterochromatin form |




AMPA receptors bind the neurotransmitter glutamate in the
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extracellular space. Binding opens the AMPA receptor and permits the
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movement of ions across the plasma membrane. AMPA receptors are
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examples of: | |




a. voltage-gated channels
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b. ligand-gated channels
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c. mechanically-gated channels
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d. non-gated channels - ANSWER✔✔✔-b. ligand-gated channels
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Capsaicin is known as the "spicy molecule." After eating spicy food, you
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might reach for a glass of water to wash away the spice, but the water
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does nothing to curb the burning sensation in your mouth. You can
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assume that capsaicin is __________.
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a. amphipathic
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b. hydrophilic
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