PCB 3023 Exam 2 Review Quiz Questions
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with answers |\
The endomembrane system functions as a coordinated unit and
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is comprised of (select all that apply): - CORRECT ANSWERS
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✔✔Lysosomes, Golgi Apparatus, Endoplasmic Reticulum |\ |\ |\ |\
Select the answer(s) below that describe the Smooth
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Endoplasmic Reticulum: - CORRECT ANSWERS ✔✔Synthesizes |\ |\ |\ |\ |\ |\
hormones, Sequesters Ca2+, Detoxifies organic molecules|\ |\ |\ |\ |\
A protein is transported in a secretory vesicle and discharges into
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the extracellular space in a continuous fashion. What type of
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secretion is this? - CORRECT ANSWERS ✔✔Constitutive
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What is the arrangement of organelles in a secretory cell from
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the basal end to the apical end, an arrangement that reflects the
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flow of secretory products from synthesis to discharge? -
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CORRECT ANSWERS ✔✔Nucleus and RER - Golgi complex -
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secretory vesicles |\
The ____________ functions as a major sorting station, directing
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proteins to various destinations. - CORRECT ANSWERS ✔✔Trans
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Golgi Network |\
COPI, or Coat protein I, signals movement retrograde from Golgi
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stacks. - CORRECT ANSWERS ✔✔True|\ |\ |\ |\
, _____________ residues act as an "address" for delivery of proteins
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to lysosomes. - CORRECT ANSWERS ✔✔Mannose 6-Phosphate
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Where vesicles are transported is thought to be a consequence of
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matching specific vesicle-______ and target-______. - CORRECT
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ANSWERS ✔✔SNAREs; SNAREs |\ |\
Lysosomes play a role in all of the following EXCEPT: - CORRECT
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ANSWERS ✔✔Storage of proteins |\ |\ |\
In receptor down-regulation, signaling receptors are
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_____________________. - CORRECT ANSWERS ✔✔Internalized and |\ |\ |\ |\ |\ |\
destroyed, Covalently attached to ubiquitin, Subjected to
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endocytosis
Which of the following is not a function of the plasma
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membrane? - CORRECT ANSWERS ✔✔Providing a non-selective
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permeable barrier |\
What prevents digestive enzymes from digesting anything and
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everything in the cell? - CORRECT ANSWERS
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✔✔Compartmentalization
Membranes contain a wide diversity of lipids, including
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_____________ . - CORRECT ANSWERS ✔✔Cholesterol,|\ |\ |\ |\ |\ |\
phosphoglycerides and sphingolipids |\ |\
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with answers |\
The endomembrane system functions as a coordinated unit and
|\ |\ |\ |\ |\ |\ |\ |\ |\
is comprised of (select all that apply): - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔Lysosomes, Golgi Apparatus, Endoplasmic Reticulum |\ |\ |\ |\
Select the answer(s) below that describe the Smooth
|\ |\ |\ |\ |\ |\ |\ |\
Endoplasmic Reticulum: - CORRECT ANSWERS ✔✔Synthesizes |\ |\ |\ |\ |\ |\
hormones, Sequesters Ca2+, Detoxifies organic molecules|\ |\ |\ |\ |\
A protein is transported in a secretory vesicle and discharges into
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the extracellular space in a continuous fashion. What type of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
secretion is this? - CORRECT ANSWERS ✔✔Constitutive
|\ |\ |\ |\ |\ |\
What is the arrangement of organelles in a secretory cell from
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the basal end to the apical end, an arrangement that reflects the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
flow of secretory products from synthesis to discharge? -
|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Nucleus and RER - Golgi complex -
|\ |\ |\ |\ |\ |\ |\ |\ |\
secretory vesicles |\
The ____________ functions as a major sorting station, directing
|\ |\ |\ |\ |\ |\ |\ |\ |\
proteins to various destinations. - CORRECT ANSWERS ✔✔Trans
|\ |\ |\ |\ |\ |\ |\ |\
Golgi Network |\
COPI, or Coat protein I, signals movement retrograde from Golgi
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
stacks. - CORRECT ANSWERS ✔✔True|\ |\ |\ |\
, _____________ residues act as an "address" for delivery of proteins
|\ |\ |\ |\ |\ |\ |\ |\ |\
to lysosomes. - CORRECT ANSWERS ✔✔Mannose 6-Phosphate
|\ |\ |\ |\ |\ |\ |\
Where vesicles are transported is thought to be a consequence of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
matching specific vesicle-______ and target-______. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔SNAREs; SNAREs |\ |\
Lysosomes play a role in all of the following EXCEPT: - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Storage of proteins |\ |\ |\
In receptor down-regulation, signaling receptors are
|\ |\ |\ |\ |\ |\
_____________________. - CORRECT ANSWERS ✔✔Internalized and |\ |\ |\ |\ |\ |\
destroyed, Covalently attached to ubiquitin, Subjected to
|\ |\ |\ |\ |\ |\ |\
endocytosis
Which of the following is not a function of the plasma
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
membrane? - CORRECT ANSWERS ✔✔Providing a non-selective
|\ |\ |\ |\ |\ |\ |\
permeable barrier |\
What prevents digestive enzymes from digesting anything and
|\ |\ |\ |\ |\ |\ |\ |\
everything in the cell? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\
✔✔Compartmentalization
Membranes contain a wide diversity of lipids, including
|\ |\ |\ |\ |\ |\ |\ |\
_____________ . - CORRECT ANSWERS ✔✔Cholesterol,|\ |\ |\ |\ |\ |\
phosphoglycerides and sphingolipids |\ |\
