Quiz #2. Difficulty: Med

howcontrived
Quiz by howcontrived, updated more than 1 year ago
howcontrived
Created by howcontrived over 6 years ago
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Description

Medium difficulty quiz on basic cell biology concepts centering on amino acids, protein-based cellular structures, and protein trafficking within a cell.

Resource summary

Question 1

Question
Which amino acid is most likely to act as a precursor in the synthesis of the molecule shown?
Answer
  • Histidine
  • Tyrosine
  • Tryptophan
  • Proline

Question 2

Question
Vitamin K is required for modification of which amino acid?

Question 3

Question
Which cytoskeletal element is most abundant in the cellular compartment shown in this EM.
Answer
  • Microfilaments
  • Microtubules
  • Intermediate Filaments
  • Tubulin
  • None of these

Question 4

Question
What molecules are the major components of the extracellular structure indicated in the image?
Answer
  • amino acids and lipids
  • sterols and saccharides
  • saccharides and peptides
  • fatty acids and glycerols
  • nucleic acids and peptides

Question 5

Question
These structures anchor cells to the basement membrane.
Answer
  • Hemidesmosomes
  • Microtubule organizing centers
  • Desmosomes
  • Centromeres
  • Tight junctions

Question 6

Question
The side chain of which amino acid is capable of forming hydrogen bonds?
Answer
  • Phenylalanine
  • Leucine
  • Valine
  • Alanine
  • Tyrosine

Question 7

Question
Which molecule is the precursor of prostaglandins?

Question 8

Question
Of the following organelles, which has the lowest pH?
Answer
  • Cytosol
  • Golgi
  • Lysosome
  • Rough ER
  • Early endosome

Question 9

Question
The endosymbiotic theory posits the origins of which organelle?
Answer
  • Nucleus
  • Endoplasmic reticulum
  • Mitochondrion
  • Plasma membrane
  • Secretory granules

Question 10

Question
Oxidative digestion of long-chain fatty acids occurs here.
Answer
  • Smooth ER
  • Peroxisome
  • Lysosome
  • Golgi
  • Mitochondria
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