CSU BMS 300 Final exam questions with verified answers

CSU BMS 300 Final exam /| /| /| /| /|




questions with verified answers /| /| /|




Which of the following bonds are responsible for the dipole
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moment of a water molecule? /| /| /| /| /|




a. hydrogen bonds
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b. ionic bonds
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c. polar bonds
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d. covalent bonds - CORRECT ANSWERS ✔✔d. covalent bonds
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There are currently clinical trials researching the efficacy of
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mRNA vaccines to protect against HIV, Zika, rabies, and Ebola
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viruses. Upon injection of an mRNA vaccine, mRNA would be
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read:
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 - CORRECT ANSWERS
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✔✔d. 5'-3' by the 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 - CORRECT ANSWERS ✔✔c. RNA
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and polymerase proteins
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Which of the following ions has a higher intracellular
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concentration? a. Na+ /| /| /|




b. Ca2+
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c. Cl-
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d. K+ - CORRECT ANSWERS ✔✔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 - CORRECT ANSWERS ✔✔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 - CORRECT ANSWERS ✔✔a. Na+/K+
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ATPases


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 - CORRECT ANSWERS ✔✔d. circular
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Between the time pre-mRNA is generated and the time when
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introns are removed, a type of RNA called SnoRNA adds a
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methyl group to some bases on the pre-mRNA. Where would you
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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 - CORRECT ANSWERS ✔✔b. nucleus
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The R groups of an integral protein that interact with
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extracellular fluid are most likely: /| /| /| /| /|




a. hydrophilic
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b. hydrophobic
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c. amphipathic
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d. phospholipids - CORRECT ANSWERS ✔✔a. hydrophilic
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Embryonic germ cells are transcriptionally dormant. You would
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expect 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 - CORRECT ANSWERS ✔✔c. DNA
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primarily in heterochromatin form
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, AMPA receptors bind the neurotransmitter glutamate in the
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extracellular space. Binding opens the AMPA receptor and
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permits the movement of ions across the plasma membrane.
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AMPA receptors are examples of:
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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 - CORRECT ANSWERS ✔✔b. ligand-gated
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channels


Capsaicin is known as the "spicy molecule." After eating spicy
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food, you might reach for a glass of water to wash away the
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spice, but the water does nothing to curb the burning sensation
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in your mouth. You can assume that capsaicin is __________.
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a. amphipathic
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b. hydrophilic
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c. hydrophobic
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d. polar - CORRECT ANSWERS ✔✔c. hydrophobic
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Keratin, which is found in keratinocytes, is an example of a(n):
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a. ATPase
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b. actin filament
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c. intermediate filament
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d. secrete protein - CORRECT ANSWERS ✔✔c. intermediate
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filament