Study Biology

Course

Microbiology

Study Pack

Set 3 The Cell Where Life Begins

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Question 1

(Multiple Choice)

Free
Which of the following describes the correct pathway used by eukaryotic cells for the synthesis of proteins transported out of the cell?

A) endoplasmic reticulum » ribosomes » Golgi apparatus » plasma membrane
B) plasma membrane » ribosomes; Golgi apparatus » endoplasmic reticulum
C) Golgi apparatus; ribosomes » endoplasmic reticulum » plasma membrane
D) ribosomes » endoplasmic reticulum » Golgi apparatus » plasma membrane

Answer

Question 2

(Multiple Choice)

Free
Membrane phospholipids:

A) are highly hydrophobic.
B) are highly hydrophilic.
C) have hydrophobic phosphate heads and hydrophilic fatty acid tails.
D) have hydrophilic phosphate heads and hydrophobic fatty acid tails.
E) are found in prokaryotic, but not eukaryotic, cells.

Answer

Question 3

(Multiple Choice)

Free
________ bacteria lose their crystal violet when the decolorizer alcohol is added during the Gram stain procedure.

A) Gram-negative
B) Gram-positive
C) Acid-fast
D) Both Gram-negative and Gram-positive

Answer