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2025 updated questions
Multiple-Choice For Each Question.
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>contains 90 questions answers
Cell biology -BIOL4374 Mon/Wed Class:
Final Exam 90 questions and answers
2025
,Cell biology -BIOL4374 Mon/Wed Class: Final Exam 90 questions and
answers 2025
1) “Gene expression” refers to ?
A. DNARNA
B. DNARNAprotein
C. All of the above
2) What structure below is #3 referring to?
7
A. plasma membrane
B. nuclear envelope 6
C. cytosol 1
D. endoplasmic reticulum
E. mitochondrion 2
5
4 3
3) Today, a cell’s genome is exclusively ?
A. protein
B. DNA
C. RNA
4) Which of the following is not a trait of a model organism?
A. small
B. easy to manipulate
C. cheap
D. short life cycle
E. rare
5) Which of following is not a membrane-bound organelle:
A. Mitochondrion
B. Endoplasmic reticulum
C. Golgi apparatus
D. Microtubule
E. Chloroplast
6) Electrophoresis of histones (pI = 8.5) and myoglobin (pI = 5.5) under non-denaturing
conditions (pH = 7.0) results in:
A. histones migrate to the cathode (-); myoglobin migrates to the anode (+).
, B. histones migrate to the anode (+); myoglobin migrates to the cathode (-).
C. both proteins migrate to the anode (+).
D. both proteins migrate to the cathode (-).
E. smearing of the similarly charged bands.
7) In an SDS-PAGE Gel:
A. Proteins are denatured by the SDS.
B. Proteins have the same charge-to-mass ratio
C. Smaller proteins migrate more rapidly through the gel.
D. Larger proteins migrate more slowly through the gel.
E. All of the above.
8) What is X referring to?
_
5¢ end O
A. A-T base pair P
O O
B. G-C base pair
C. deoxyribose O
X
O
D. phosphodiester bond 3¢ end P O
_
E. purine base _
O O O
O O
O O
P O
_ O O
O
O P
P O O O _O
O
OO O
_ P
O O O
O_
O O O P O
O O
_
O P O O
5¢ end
3¢ end
9) At which end of an mRNA molecule do ribosomal subunits first bind?
A. The 3’ end
B. The 5’ end
10) Which of the following functions do you not expect to find in the set of genes found in all
organisms on Earth?
A. DNA replication
B. DNA repair
C. protein production
D. RNA splicing
11) You want to design a DNA probe used for hybridization to isolate a clone from a cDNA library.
Which of the following statements about DNA probes is true?
A. The shorter the DNA probe used to probe the library, the greater the number of colonies
to which the probe will hybridize.
100% Guarantee Pass.
2025 updated questions
Multiple-Choice For Each Question.
>clear pictures
Each Question Includes The Correct Answer
>contains 90 questions answers
Cell biology -BIOL4374 Mon/Wed Class:
Final Exam 90 questions and answers
2025
,Cell biology -BIOL4374 Mon/Wed Class: Final Exam 90 questions and
answers 2025
1) “Gene expression” refers to ?
A. DNARNA
B. DNARNAprotein
C. All of the above
2) What structure below is #3 referring to?
7
A. plasma membrane
B. nuclear envelope 6
C. cytosol 1
D. endoplasmic reticulum
E. mitochondrion 2
5
4 3
3) Today, a cell’s genome is exclusively ?
A. protein
B. DNA
C. RNA
4) Which of the following is not a trait of a model organism?
A. small
B. easy to manipulate
C. cheap
D. short life cycle
E. rare
5) Which of following is not a membrane-bound organelle:
A. Mitochondrion
B. Endoplasmic reticulum
C. Golgi apparatus
D. Microtubule
E. Chloroplast
6) Electrophoresis of histones (pI = 8.5) and myoglobin (pI = 5.5) under non-denaturing
conditions (pH = 7.0) results in:
A. histones migrate to the cathode (-); myoglobin migrates to the anode (+).
, B. histones migrate to the anode (+); myoglobin migrates to the cathode (-).
C. both proteins migrate to the anode (+).
D. both proteins migrate to the cathode (-).
E. smearing of the similarly charged bands.
7) In an SDS-PAGE Gel:
A. Proteins are denatured by the SDS.
B. Proteins have the same charge-to-mass ratio
C. Smaller proteins migrate more rapidly through the gel.
D. Larger proteins migrate more slowly through the gel.
E. All of the above.
8) What is X referring to?
_
5¢ end O
A. A-T base pair P
O O
B. G-C base pair
C. deoxyribose O
X
O
D. phosphodiester bond 3¢ end P O
_
E. purine base _
O O O
O O
O O
P O
_ O O
O
O P
P O O O _O
O
OO O
_ P
O O O
O_
O O O P O
O O
_
O P O O
5¢ end
3¢ end
9) At which end of an mRNA molecule do ribosomal subunits first bind?
A. The 3’ end
B. The 5’ end
10) Which of the following functions do you not expect to find in the set of genes found in all
organisms on Earth?
A. DNA replication
B. DNA repair
C. protein production
D. RNA splicing
11) You want to design a DNA probe used for hybridization to isolate a clone from a cDNA library.
Which of the following statements about DNA probes is true?
A. The shorter the DNA probe used to probe the library, the greater the number of colonies
to which the probe will hybridize.
