UMHS Cell Bio- Lecture 5 (easy)

Description

A conceptually basic quiz covering eukaryotic organelle structure and function.
howcontrived
Quiz by howcontrived, updated more than 1 year ago
howcontrived
Created by howcontrived over 7 years ago
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Resource summary

Question 1

Question
Which of the following tissues contain insulin receptor?
Answer
  • Neurons
  • Skeletal myocytes
  • Adipocytes
  • Hepatocytes
  • None of these

Question 2

Question
When insulin binds to its receptor, it stimulates the translocation of _____________ - containing vesicles from the ____________ to the plasma membrane.
Answer
  • GLUT1; early endosome
  • GLUT3; active zone
  • GLUT4; recycling endosome
  • GLUT5; late endosome
  • None of these

Question 3

Question
Insulin stimulates the translocation of glucose permeases, leading to their insertion into the plasma membrane, in which tissues?
Answer
  • Musle
  • White Adipose
  • Neurons
  • None of these

Question 4

Question
Almost all protein synthesis begins here.
Answer
  • On ribosomes
  • In the nucleus
  • In the nucleoulus
  • In the smooth ER
  • None of these

Question 5

Question
Which of the following organelles are involved in the biosynthetic pathway?
Answer
  • The ER
  • Golgi
  • Secretory Vesicles
  • Early endosome
  • None of these

Question 6

Question
Which of the following organelles is a part of the endocytic pathway?
Answer
  • The plasma membrane
  • The ER
  • Late endosome
  • Golgi
  • None of these

Question 7

Question
Which of the following coat proteins is a part of the retrieval pathway?
Answer
  • COPI
  • COPII
  • Clathrin
  • None of these
  • COPI and COPII only

Question 8

Question
Formation of a clathrin-coated vesicle requires which of the following?
Answer
  • Caveoilins
  • Adaptor proteins
  • ARF 1
  • Dynamin
  • None of these.

Question 9

Question
In which organelle is ceramide synthesized?
Answer
  • rER
  • sER
  • Golgi
  • Endosome
  • None of these

Question 10

Question
Which of the following statements about glycolipids and sphingomyelins are true?
Answer
  • Both are synthesized from ceramide.
  • Both contain saccharides.
  • Glycolipids are synthesized in the sER whereas sphingomyelins are synthesized in the golgi.
  • Both contain a glycerol molecule.
  • None of these is correct.

Question 11

Question
Which of the following is a means by which the cell tags and targets proteins for inclusion in transport vesicles?
Answer
  • Specific amino acid sequences
  • Oligosaccharide modifications
  • Hydrophobic domains
  • None of these

Question 12

Question
How is calcium transported into the sER?
Answer
  • Facilitated diffusion
  • Ligand-gated channel
  • Direct active transport
  • None of these

Question 13

Question
How is calcium transported into a cell (across the plasma membrane)?
Answer
  • Passive diffusion
  • Facilitated diffusion
  • Direct active transport
  • None of these

Question 14

Question
Which of the following is correctly arranged in order of INCREASING pH (i.e. from acid to alkaline)?
Answer
  • Lysosome, cytosol, early endosome, late endosome
  • Cytosol, synaptic vesicle, recycling endosome, ER
  • Late endosome, early endosome, lysosome, cytosol
  • None of these

Question 15

Question
Proteins targeted to the lysosome contain a __________________ tag.
Answer
  • KDEL
  • Mannose-6-P
  • Phosphatidylinositol
  • SAR-1
  • None of these
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