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Quiz von howcontrived, aktualisiert more than 1 year ago
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Erstellt von howcontrived
vor fast 9 Jahre
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Frage 1
Frage
Which of the following tissues contain insulin receptor?
Antworten
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Neurons
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Skeletal myocytes
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Adipocytes
-
Hepatocytes
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None of these
Frage 2
Frage
When insulin binds to its receptor, it stimulates the translocation of _____________ - containing vesicles from the ____________ to the plasma membrane.
Antworten
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GLUT1; early endosome
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GLUT3; active zone
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GLUT4; recycling endosome
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GLUT5; late endosome
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None of these
Frage 3
Frage
Insulin stimulates the translocation of glucose permeases, leading to their insertion into the plasma membrane, in which tissues?
Antworten
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Musle
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White Adipose
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Neurons
-
None of these
Frage 4
Frage
Almost all protein synthesis begins here.
Antworten
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On ribosomes
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In the nucleus
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In the nucleoulus
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In the smooth ER
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None of these
Frage 5
Frage
Which of the following organelles are involved in the biosynthetic pathway?
Antworten
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The ER
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Golgi
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Secretory Vesicles
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Early endosome
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None of these
Frage 6
Frage
Which of the following organelles is a part of the endocytic pathway?
Antworten
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The plasma membrane
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The ER
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Late endosome
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Golgi
-
None of these
Frage 7
Frage
Which of the following coat proteins is a part of the retrieval pathway?
Antworten
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COPI
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COPII
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Clathrin
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None of these
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COPI and COPII only
Frage 8
Frage
Formation of a clathrin-coated vesicle requires which of the following?
Antworten
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Caveoilins
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Adaptor proteins
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ARF 1
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Dynamin
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None of these.
Frage 9
Frage
In which organelle is ceramide synthesized?
Antworten
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rER
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sER
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Golgi
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Endosome
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None of these
Frage 10
Frage
Which of the following statements about glycolipids and sphingomyelins are true?
Antworten
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Both are synthesized from ceramide.
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Both contain saccharides.
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Glycolipids are synthesized in the sER whereas sphingomyelins are synthesized in the golgi.
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Both contain a glycerol molecule.
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None of these is correct.
Frage 11
Frage
Which of the following is a means by which the cell tags and targets proteins for inclusion in transport vesicles?
Antworten
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Specific amino acid sequences
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Oligosaccharide modifications
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Hydrophobic domains
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None of these
Frage 12
Frage
How is calcium transported into the sER?
Antworten
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Facilitated diffusion
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Ligand-gated channel
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Direct active transport
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None of these
Frage 13
Frage
How is calcium transported into a cell (across the plasma membrane)?
Antworten
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Passive diffusion
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Facilitated diffusion
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Direct active transport
-
None of these
Frage 14
Frage
Which of the following is correctly arranged in order of INCREASING pH (i.e. from acid to alkaline)?
Antworten
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Lysosome, cytosol, early endosome, late endosome
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Cytosol, synaptic vesicle, recycling endosome, ER
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Late endosome, early endosome, lysosome, cytosol
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None of these
Frage 15
Frage
Proteins targeted to the lysosome contain a __________________ tag.
Antworten
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KDEL
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Mannose-6-P
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Phosphatidylinositol
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SAR-1
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None of these
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