MSU PSL 250 Exam 1 Questions With
Correct Answers
Which of these is an example of positive feedback?
| | | | | | | |
A. Muscle reflexes
| |
B. Blood pressure maintenance
| | |
C. Blood clotting
| |
D. Extracellular sodium concentration - CORRECT ANSWER✔✔-C. Blood
| | | | | | | |
Clotting
Tissues are collection of what things that have similar functions?
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A. Cells
|
B. Molecules
|
C. Atoms
|
D. Organelles - CORRECT ANSWER✔✔-A. Cells
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Where is interstitial fluid?
| | | |
A. In the cytosol
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B. In the nucleus
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C. In blood
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,D. Surrounding cells - CORRECT ANSWER✔✔-D. Surrounding cells
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Which of these have higher concentration inside cells than the
| | | | | | | | | |
concentration that can be put into a test tube?
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A. Potassium
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B. Glucose
|
C. Sodium
|
D. Protein - CORRECT ANSWER✔✔-D. Protein
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What organelle modifies the proteins that will be exported from the
| | | | | | | | | | |
cell?
A. Desmosomes
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B. Golgi Apparatus
| | |
C. Vaults
|
D. Peroxisomes - CORRECT ANSWER✔✔-B. Golgi Apparatus
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Which of these processes engulfs bacteria?
| | | | |
A. Negative feedback
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B. Phagocytosis
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C. Glycolysis
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D. Exocytosis - CORRECT ANSWER✔✔-B. Phagocytosis
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, Which of these is a function of the peroxisomes?
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A. Digest complex molecules
| | |
B. Store glycogen
| |
C. Destroy oxygen radicals
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D. Make cholesterol - CORRECT ANSWER✔✔-C. Destroy oxygen radicals
| | | | | | | |
An increase in the concentration of what ion causes exocytosis?
| | | | | | | | |
A. Potassium
| |
B. Sodium
|
C. Calcium
|
D. Phosphate - CORRECT ANSWER✔✔-C. Calcium
| | | | |
What passes through the ATP synthase enzyme to make ATP during
| | | | | | | | | | |
oxidative phosphorylation? |
A. H+ (protons)
| |
B. Acetyl CoA
| |
C. Oxygen
|
D. Carbon dioxide - CORRECT ANSWER✔✔-A. H+ (protons)
| | | | | | |
The conversion of NAD to NADH occurs during?
| | | | | | |
A. Oxidative phosphorylation
| | |
Correct Answers
Which of these is an example of positive feedback?
| | | | | | | |
A. Muscle reflexes
| |
B. Blood pressure maintenance
| | |
C. Blood clotting
| |
D. Extracellular sodium concentration - CORRECT ANSWER✔✔-C. Blood
| | | | | | | |
Clotting
Tissues are collection of what things that have similar functions?
| | | | | | | | |
A. Cells
|
B. Molecules
|
C. Atoms
|
D. Organelles - CORRECT ANSWER✔✔-A. Cells
| | | | |
Where is interstitial fluid?
| | | |
A. In the cytosol
| | | |
B. In the nucleus
| | | |
C. In blood
| |
,D. Surrounding cells - CORRECT ANSWER✔✔-D. Surrounding cells
| | | | | | |
Which of these have higher concentration inside cells than the
| | | | | | | | | |
concentration that can be put into a test tube?
| | | | | | | |
A. Potassium
| |
B. Glucose
|
C. Sodium
|
D. Protein - CORRECT ANSWER✔✔-D. Protein
| | | | |
What organelle modifies the proteins that will be exported from the
| | | | | | | | | | |
cell?
A. Desmosomes
|
B. Golgi Apparatus
| | |
C. Vaults
|
D. Peroxisomes - CORRECT ANSWER✔✔-B. Golgi Apparatus
| | | | | |
Which of these processes engulfs bacteria?
| | | | |
A. Negative feedback
| |
B. Phagocytosis
| |
C. Glycolysis
|
D. Exocytosis - CORRECT ANSWER✔✔-B. Phagocytosis
| | | | |
, Which of these is a function of the peroxisomes?
| | | | | | | |
A. Digest complex molecules
| | |
B. Store glycogen
| |
C. Destroy oxygen radicals
| | |
D. Make cholesterol - CORRECT ANSWER✔✔-C. Destroy oxygen radicals
| | | | | | | |
An increase in the concentration of what ion causes exocytosis?
| | | | | | | | |
A. Potassium
| |
B. Sodium
|
C. Calcium
|
D. Phosphate - CORRECT ANSWER✔✔-C. Calcium
| | | | |
What passes through the ATP synthase enzyme to make ATP during
| | | | | | | | | | |
oxidative phosphorylation? |
A. H+ (protons)
| |
B. Acetyl CoA
| |
C. Oxygen
|
D. Carbon dioxide - CORRECT ANSWER✔✔-A. H+ (protons)
| | | | | | |
The conversion of NAD to NADH occurs during?
| | | | | | |
A. Oxidative phosphorylation
| | |
