Question 1

The process of reading an mRNA molecule and synthesizing a protein is known as ________.

Accepted Answer

The answer of The process of reading an mRNA molecule...

Question 2

Materials tend to move less rapidly when their concentrations are significantly different between two compartments.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is considered a required enzyme for the process of transcription?

Accepted Answer

A)   Aminoacyl-tRNA synthetase
B)   DNA polymerase
C)   RNA polymerase
D)   Amine transferaseE) C) and D)
F) A) and D)

Question 4

________ is the general term for all cellular contents located between the plasma membrane and the nucleus.

Accepted Answer

The answer of ________ is the general term for all...

Question 5

Proteins that are embedded within, and extend across, the phospholipid bilayer are called ________ proteins.

Accepted Answer

A)   catalytic
B)   integral
C)   cytoskeleton
D)   peripheralE) None of the above
F) C) and D)

Question 6

________ transport is required to move a substance across a membrane against a concentration gradient.

Accepted Answer

The answer of ________ transport is required to move a...

Question 7

The phase of mitosis that begins as spindle fibers pull sister chromatids apart at the centromere is

Accepted Answer

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

Question 8

Identify the organelle that provides enzymes for autolysis.

Accepted Answer

A)   Peroxisomes
B)   Mitochondria
C)   Smooth ER
D)   Golgi apparatus
E)   LysosomesF) A) and E)
G) B) and E)

Question 9

An image produced by passing visible light through a specimen is obtained using the

Accepted Answer

A)   transmission electron microscope.
B)   light microscope.
C)   scanning electron microscope.
D)   dissecting scope.
E)   ocular examination method.F) B) and C)
G) A) and D)

Question 10

Two perpendicularly oriented ________ form the centrosome, which is responsible for organizing microtubules during cell division.

Accepted Answer

The answer of Two perpendicularly oriented ________ form the centrosome,...

Question 11

Chromosomes are loose, and chromatin is tightly packed genetic material.

Accepted Answer

A) True 
 B)False

Question 12

Describe the process of transcription. What does it produce? Where in the cell does it occur? What molecules are involved? Explain what happens in each of the following stages: initiation, elongation, termination, and splicing.

Accepted Answer

Transcription is the process by which a ...

Question 13

The cytoskeleton has three separate components: microfilaments, intermediate filaments, and ________.

Accepted Answer

The answer of The cytoskeleton has three separate components: microfilaments,...

Question 14

The pressure that must be exerted onto a solution in order to prevent water from diffusing into that solution through a semipermeable membrane is called ________ pressure.

Accepted Answer

The answer of The pressure that must be exerted onto...

Question 15

DNA directs the synthesis of proteins, including enzymes that catalyze the synthesis of several important molecules.

Accepted Answer

A) True 
 B)False

Question 16

A start codon consists of the three-base sequence AUG.

Accepted Answer

A) True 
 B)False

Question 17

The last part of interphase is called

Accepted Answer

A)   the first "gap" phase.
B)   the second "gap" phase.
C)   telophase.
D)   the S phase.
E)   anaphase.F) A) and C)
G) C) and D)

Question 18

Which is not a membrane-bound organelle?

Accepted Answer

A)   Endoplasmic reticulum
B)   Lysosome
C)   Golgi apparatus
D)   Peroxisome
E)   All of the choices are membrane-bound organelles.F) B) and E)
G) A) and E)

Question 19

One of the general functions that all cells must maintain throughout their life is the ability to divide and give rise to new cells.

Accepted Answer

A) True 
 B)False

Question 20

The diameter of a red blood cell is a little less than 1 μm.

Accepted Answer

A) True 
 B)False

Exam 4: Biology of the Cell

Describe the process of transcription. What does it produce? Where in the cell does it occur? What molecules are involved? Explain what happens in each of the following stages: initiation, elongation, termination, and splicing.

Correct AnswerAnswered by ExamLex AITranscription is the process by which a ...View AnswerShow Answer

One of the general functions that all cells must maintain throughout their life is the ability to divide and give rise to new cells.

Correct AnswerverifiedShow Answer

The phase of mitosis that begins as spindle fibers pull sister chromatids apart at the centromere is

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Identify the organelle that provides enzymes for autolysis.

Correct AnswerverifiedShow Answer

Chromosomes are loose, and chromatin is tightly packed genetic material.

Correct AnswerverifiedShow Answer

Materials tend to move less rapidly when their concentrations are significantly different between two compartments.

Correct AnswerverifiedShow Answer

________ transport is required to move a substance across a membrane against a concentration gradient.

Correct AnswerverifiedShow Answer

The cytoskeleton has three separate components: microfilaments, intermediate filaments, and ________.

Correct AnswerverifiedShow Answer

The pressure that must be exerted onto a solution in order to prevent water from diffusing into that solution through a semipermeable membrane is called ________ pressure.

Correct AnswerverifiedShow Answer

________ is the general term for all cellular contents located between the plasma membrane and the nucleus.

Correct AnswerverifiedShow Answer

Two perpendicularly oriented ________ form the centrosome, which is responsible for organizing microtubules during cell division.

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A start codon consists of the three-base sequence AUG.

Correct AnswerverifiedShow Answer

The last part of interphase is called

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Which is not a membrane-bound organelle?

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Proteins that are embedded within, and extend across, the phospholipid bilayer are called ________ proteins.

Correct AnswerverifiedShow Answer

An image produced by passing visible light through a specimen is obtained using the

Correct AnswerverifiedShow Answer

DNA directs the synthesis of proteins, including enzymes that catalyze the synthesis of several important molecules.

Correct AnswerverifiedShow Answer

The diameter of a red blood cell is a little less than 1 μm.

Correct AnswerverifiedShow Answer

Which of the following is considered a required enzyme for the process of transcription?

Correct AnswerverifiedShow Answer

The process of reading an mRNA molecule and synthesizing a protein is known as ________.

Correct AnswerverifiedShow Answer

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