Download Cell and Cell Metabolism Quiz

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Cells and Cell Metabolism Quiz
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1. Which one of the following is NOT true about the cell membrane:
A)
B)
C)
D)
E)
It consists of two lipid layers.
Its lipid components are primarily phospholipids and cholesterol.
It contains proteins for specialized functions.
It regulates the entry and exit of cell materials.
It allows water soluble molecules to pass through easily.
2. Ribosomes are found:
A)
B)
C)
D)
E)
on smooth endoplasmic reticulum.
in the cytoplasm.
on the golgi apparatus.
on the rough endoplasmic reticulum.
in the cytoplasm and on the rough endoplasmic reticulum.
3. The movement of fluid through the cell membrane from a high pressure area to a low pressure
area is called:
A)
B)
C)
D)
E)
active transport.
bulk transport.
osmosis.
diffusion.
filtration.
4. Two types of passive transport are:
A)
B)
C)
D)
E)
osmosis and endocytosis.
endocytosis and diffusion.
diffusion and filtration.
filtration and exocytosis.
exocytosis and endocytosis
5. A cell would plump with water and possibly lyse in which of the following solutions:
A)
B)
C)
D)
E)
hypotonic
hypertonic
intravenous
isotonic
hydrostatic
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6. What does it mean to say the plasma membrane is “selectively permeable”?
A)
B)
C)
D)
It allows everything to enter but is selective about what leaves.
The membrane is permeable only during optimal cell conditions.
It allows some substances to pass through and keeps others out.
It is selective about what enters but will allow everything to leave the cell.
7. The plasma membrane contains all of the following EXCEPT:
A)
B)
C)
D)
hydrophilic heads
cholesterol
hydrophilic tails
glycoproteins
8. In order to enter Kreb’s cycle, fatty acid chains must be broken apart. This process is called:
A)
B)
C)
D)
beta oxidation
lipogenesis
lipolysis
pyruvate dehydrogenase
9. mRNA is made from the DNA during _______, and protein is produced from the mRNA
template during _______.
A)
B)
C)
D)
translation; transcription
transcription; translation
replication; translation
transcription; beta oxidation
10. The molecule that carries an amino acid to the ribosome for incorporation into a protein is:
A)
B)
C)
D)
E)
ATP
messenger RNA (mRNA)
ribosomal RNA (rRNA)
DNA
transfer RNA (tRNA)
11. The molecule that is made during transcription is:
A)
B)
C)
D)
E)
ATP
messenger RNA (mRNA)
ribosomal RNA (rRNA)
DNA
transfer RNA (tRNA)
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This document last updated: 7/29/2011
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12. The DNA segment that carries information coding for a particular amino acid is a:
A)
B)
C)
D)
E)
gene
nucleotide
three base sequence
deoxyribose sugar
phosphate group
13. Which of the following statements best describes enzymes?
A)
B)
C)
D)
Carbohydrates that are involved in chemical reactions.
Proteins that regulate chemical reactions in living things.
The final products of chemical reactions in living things.
The reactants of chemical reactions in living things.
14. Enzymes facilitate chemical reactions through interactions between the enzyme’s active site
and substrate molecules.
A) True
B) False
15. How many ATP are formed during anaerobic respiration?
A)
B)
C)
D)
E)
38
24
8
2
36
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Student Services Building (SSB), Room 204
This document last updated: 7/29/2011
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Solutions
1. E
2. E
3. E
4. C
5. A
6. C
7. C
8. A
9. B
10. E
11. B
12. C
13. B
14. A
15. D
www.durhamcollege.ca/sals
905.721.2000 ext. 2491
Student Services Building (SSB), Room 204
This document last updated: 7/29/2011