Question 1

If 0.9% NaCl (saline)  solution is isotonic to a cell, then a 0.5% saline solution

Accepted Answer

A)   is hypertonic to the cell.
B)   will cause crenation of the cell.
C)   is hypotonic to the cell.
D)   will shrink the cell.
E)   will not affect the cell.F) A) and D)
G) A) and E)

Question 2

All of the following processes can move substances out of a cell EXCEPT ________.

Accepted Answer

A)   exocytosis
B)   osmosis
C)   active transport
D)   phagocytosis
E)   diffusionF) B) and C)
G) A) and D)

Question 3

Chromatin condenses and nucleoli disappear during ________.

Accepted Answer

A)   interphase
B)   prophase
C)   metaphase
D)   anaphase
E)   telophaseF) A) and B)
G) None of the above

Question 4

Arrange the following events of exocytosis in the correct sequence:
(1)  Vesicle membrane fuses with plasma membrane
(2)  Secretory vesicles migrate to plasma membrane
(3)  Vesicle contents are expelled from cell
(4)  Secretions accumulate within secretory vesicles

Accepted Answer

A)   2, 1, 4, 3
B)   1, 4, 2, 3
C)   3, 1, 4, 2
D)   4, 2, 1, 3
E)   1, 2, 3, 4F) D) and E)
G) A) and B)

Question 5

If you compare a cell with a manufacturing plant that exports goods, the cell's ________ could be compared to the manufacturing plant's shipping department.

Accepted Answer

A)   nucleus
B)   lysosome
C)   Golgi apparatus
D)   endoplasmic reticulum
E)   ribosomeF) A) and B)
G) B) and D)

Question 6

A mitochondrial disease is passed to offspring via the father.

Accepted Answer

A) True 
 B)False

Question 7

In order to study in detail the anatomy of internal cell parts, it would be best to use

Accepted Answer

A)   x-rays.
B)   flashlights.
C)   a transmission electron microscope (TEM) .
D)   tissue cultures.
E)   a scanning electron microscope (SEM) .F) None of the above
G) D) and E)

Question 8

Which type of cells are covered with microvilli for increased absorption?

Accepted Answer

A)   Columnar cells of upper respiratory tract
B)   Sperm cells
C)   Columnar cells of small intestines
D)   Red blood cells
E)   Macrophage (large, mobile white blood cell) F) All of the above
G) B) and C)

Question 9

In DNA replication,

Accepted Answer

A)   the leading strand is formed as a continuous strand.
B)   new nucleotides are added at the 5' end of the growing DNA strand.
C)   DNA polymerase splices the short segments of the lagging strand together.
D)   only introns are replicated.
E)   the two existing strands are not used as templates.F) A) and E)
G) B) and C)

Question 10

A cell can meet increased energy demands by an increase in

Accepted Answer

A)   its overall size so it has more room to generate energy.
B)   the number of mitochondria.
C)   lysosomal enzyme and ribosome activity within the cell.
D)   nuclear DNA activity.
E)   ribosomal subunits.F) A) and D)
G) D) and E)

Question 11

In prophase,

Accepted Answer

A)   the chromosomes condense, shorten, and thicken.
B)   the spindle fibers disappear.
C)   the chromosomes replicate.
D)   cytokinesis occurs.
E)   DNA is synthesized.F) A) and D)
G) A) and B)

Question 12

Which of the following is NOT associated with interphase?

Accepted Answer

A)   The centrioles duplicate.
B)   The cell grows.
C)   The cell does what it is designed to do.
D)   The cell does nothing but rest.
E)   The DNA replicates.F) A) and E)
G) A) and D)

Question 13

Which of the following is NOT an example of a cytoplasmic inclusion?

Accepted Answer

A)   Lipochrome
B)   Hemoglobin
C)   Actin filaments
D)   Melanin
E)   Lipid dropletsF) C) and D)
G) A) and B)

Question 14

Ion movement across the plasma membrane creates an electrical charge difference known as ________.

Accepted Answer

A)   membrane potential
B)   extracellular glycocalyx
C)   respiration
D)   transcription
E)   osmosisF) A) and D)
G) A) and C)

Question 15

The time between cell divisions is called ________.

Accepted Answer

A)   interphase
B)   prophase
C)   metaphase
D)   anaphase
E)   telophaseF) A) and B)
G) A) and C)

Question 16

-Answer these questions about chromosome structure. What does "B" represent?

Accepted Answer

A)   Chromatid
B)   Proteins
C)   Chromosome
D)   Centromere
E)   ChromatinF) A) and E)
G) A) and D)

Question 17

When a sperm cell comes into contact with an egg cell, there is a change in the electrical charge across the plasma membrane and various channel proteins close. These channels would be called ________ channels.

Accepted Answer

A)   open-gated
B)   voltage-gated
C)   chemical-gated
D)   ligand-gated
E)   nongated ionF) A) and B)
G) A) and C)

Question 18

Which of the following molecules contains the anticodon?

Accepted Answer

A)   mRNA
B)   rRNA
C)   tRNA
D)   DNA
E)   None of the choices are correct.F) A) and D)
G) A) and C)

Question 19

Which of the following cell structures do not contain microtubules?

Accepted Answer

A)   Cilia
B)   Flagella
C)   Spindle fibers
D)   Centrioles
E)   All of the choices contain microtubules.F) C) and E)
G) A) and C)

Question 20

A DNA base sequence is A T G C C G. The sequence of bases in a strand of mRNA transcribed from this sequence of bases in DNA would be

Accepted Answer

A)   T A C G G C.
B)   U T C G G U.
C)   U A C G G C.
D)   A U G C C G.
E)   T A G G G G.F) None of the above
G) A) and C)

Exam 3: Cell Biology

Which of the following is NOT associated with interphase?

Correct AnswerverifiedShow Answer

A mitochondrial disease is passed to offspring via the father.

Correct AnswerverifiedShow Answer

Arrange the following events of exocytosis in the correct sequence: (1) Vesicle membrane fuses with plasma membrane (2) Secretory vesicles migrate to plasma membrane (3) Vesicle contents are expelled from cell (4) Secretions accumulate within secretory vesicles

Correct AnswerverifiedShow Answer

In order to study in detail the anatomy of internal cell parts, it would be best to use

Correct AnswerverifiedShow Answer

A cell can meet increased energy demands by an increase in

Correct AnswerverifiedShow Answer

Which of the following is NOT an example of a cytoplasmic inclusion?

Correct AnswerverifiedShow Answer

When a sperm cell comes into contact with an egg cell, there is a change in the electrical charge across the plasma membrane and various channel proteins close. These channels would be called ________ channels.

Correct AnswerverifiedShow Answer

In DNA replication,

Correct AnswerverifiedShow Answer

If you compare a cell with a manufacturing plant that exports goods, the cell's ________ could be compared to the manufacturing plant's shipping department.

Correct AnswerverifiedShow Answer

Which of the following molecules contains the anticodon?

Correct AnswerverifiedShow Answer

In prophase,

Correct AnswerverifiedShow Answer

All of the following processes can move substances out of a cell EXCEPT ________.

Correct AnswerverifiedShow Answer

Which type of cells are covered with microvilli for increased absorption?

Correct AnswerverifiedShow Answer

The time between cell divisions is called ________.

Correct AnswerverifiedShow Answer

If 0.9% NaCl (saline) solution is isotonic to a cell, then a 0.5% saline solution

Correct AnswerverifiedShow Answer

Ion movement across the plasma membrane creates an electrical charge difference known as ________.

Correct AnswerverifiedShow Answer

A DNA base sequence is A T G C C G. The sequence of bases in a strand of mRNA transcribed from this sequence of bases in DNA would be

Correct AnswerverifiedShow Answer

-Answer these questions about chromosome structure. What does "B" represent?

Correct AnswerverifiedShow Answer

Which of the following cell structures do not contain microtubules?

Correct AnswerverifiedShow Answer

Chromatin condenses and nucleoli disappear during ________.

Correct AnswerverifiedShow Answer

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