Question 1

If you collected and external part of a eukaryotic plasma membrane,and chemical tests showed that it was made of cellulose,you would expect to see plasmodesmata if observed with an electron microscope.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following are the primary components of the cell membrane and contribute to its semi-permeability property?

Accepted Answer

A)   cholesterols
B)   proteins
C)   phospholipids
D)   enzymes
E)   sugarsF) A) and E)
G) A) and B)

Question 3

Flagella can be

Accepted Answer

A)   found on prokaryotic cells.
B)   found on human sperm.
C)   used for movement.
D)   found on eukaryotic cells.
E)   All of the answer choices are correct.F) C) and E)
G) A) and D)

Question 4

Which of the following is not a characteristic of an animal cell membrane?

Accepted Answer

A)   It has a fluid structure.
B)   It has a rigid structure.
C)   It has a fluid mosaic structure.
D)   It has a bilayer of phospholipids.
E)   It contains cholesterol.F) A) and E)
G) A) and D)

Question 5

A cytoskeleton is

Accepted Answer

A)   a structure that aids in the process of cell division.
B)   found in the cytoplasm of eukaryotic cells.
C)   a system of tracks used for transport.
D)   composed of microtubules and microfilaments.
E)   All answers are correct.F) B) and E)
G) A) and B)

Question 6

Which of the following are recycling centers for cells?

Accepted Answer

A)   ribosomes and Golgi apparatus
B)   endoplasmic reticulum and chloroplasts
C)   mitochondria and nucleus
D)   central vacuole and lysosomes
E)   All answers choices are correct.F) A) and B)
G) A) and C)

Question 7

In most mammals,the mitochondrial DNA is inherited from

Accepted Answer

A)   the father only.
B)   the mother and father.
C)   either parent.
D)   the mother only.
E)   Mitochondria are not found in mammals.F) B) and C)
G) None of the above

Question 8

The function of the nucleolus is

Accepted Answer

A)   protein synthesis.
B)   photosynthesis.
C)   to transport materials out of the nucleus.
D)   to assemble components of ribosomes.
E)   to assemble DNA.F) C) and E)
G) B) and D)

Question 9

Which component of the cell theory argues against life on Earth evolving from inorganic molecules?

Accepted Answer

A)   All organisms are made of one or more cells.
B)   The cell is the fundamental unit of all life.
C)   All cells come from preexisting cells.
D)   Cells are small in size.
E)   All cells are either prokaryotic or eukaryotic.F) A) and C)
G) A) and B)

Question 10

A protein channel linking the cytoplasm of adjacent cells is called

Accepted Answer

A)   a tight junction.
B)   a gap junction.
C)   an adhering junction.
D)   an adjacent junctions.
E)   a microtubular junction.F) A) and E)
G) A) and C)

Question 11

The theory of endosymbiosis is based on

Accepted Answer

A)   the knowledge that ribosomes are structures found in bacteria, plants, and animals.
B)   the experiments in which bacteria were grown in plant cells and formed chloroplasts.
C)   the knowledge that chloroplasts and mitochondria resemble bacteria.
D)   evidence from the fossil record.
E)   similarities between chloroplasts and other organelles in animals.F) None of the above
G) B) and E)

Question 12

If you were examining a plasmodesma under a microscope,you would expect to find a plant cell at each end.

Accepted Answer

A) True 
 B)False

Question 13

The scientist given credit for adding the third component to the cell theory,all cells come from preexisting cells,was

Accepted Answer

A)   Robert Hooke.
B)   Theodor Schwann.
C)   Rudolf Virchow.
D)   Carl Woese.
E)   J. Craig Venter.F) C) and D)
G) B) and D)

Question 14

Bacteria with magnetosomes swim based on the direction of the

Accepted Answer

A)   magnetic fields.
B)   gravity.
C)   sunlight.
D)   moving water.
E)   turbulence.F) A) and B)
G) B) and D)

Question 15

How do cells avoid surface area limitations?

Accepted Answer

A)   all of the choices
B)   flattened shape
C)   long and thin shape
D)   transportation system that circulates materials inside the cell
E)   many microscopic extensionsF) All of the above
G) A) and B)

Question 16

The three domains in the Woese system of classification are

Accepted Answer

A)   Bacteria, Animalia, and Plantae.
B)   Fungi, Protista, and Animalia.
C)   Archaea, Eukarya, and Protista.
D)   Monera, Bacteria, and Eukarya.
E)   Archaea, Bacteria, and Eukarya.F) A) and C)
G) C) and E)

Exam 3: Cells

The function of the nucleolus is

Correct Answer
verified

A cytoskeleton is

Correct Answer
verified

Flagella can be

Correct Answer
verified

The three domains in the Woese system of classification are

Correct Answer
verified

Which component of the cell theory argues against life on Earth evolving from inorganic molecules?

Correct Answer
verified

In most mammals,the mitochondrial DNA is inherited from

Correct Answer
verified

If you were examining a plasmodesma under a microscope,you would expect to find a plant cell at each end.

Correct Answer
verified

Which of the following is not a characteristic of an animal cell membrane?

Correct Answer
verified

Which of the following are recycling centers for cells?

Correct Answer
verified

How do cells avoid surface area limitations?

Correct Answer
verified

Bacteria with magnetosomes swim based on the direction of the

Correct Answer
verified

Which of the following are the primary components of the cell membrane and contribute to its semi-permeability property?

Correct Answer
verified

If you collected and external part of a eukaryotic plasma membrane,and chemical tests showed that it was made of cellulose,you would expect to see plasmodesmata if observed with an electron microscope.

Correct Answer
verified

The theory of endosymbiosis is based on

Correct Answer
verified

A protein channel linking the cytoplasm of adjacent cells is called

Correct Answer
verified

The scientist given credit for adding the third component to the cell theory,all cells come from preexisting cells,was

Correct Answer
verified

Exam 3: Cells

The function of the nucleolus is

Correct AnswerverifiedShow Answer

A cytoskeleton is

Correct AnswerverifiedShow Answer

Flagella can be

Correct AnswerverifiedShow Answer

The three domains in the Woese system of classification are

Correct AnswerverifiedShow Answer

Which component of the cell theory argues against life on Earth evolving from inorganic molecules?

Correct AnswerverifiedShow Answer

In most mammals,the mitochondrial DNA is inherited from

Correct AnswerverifiedShow Answer

If you were examining a plasmodesma under a microscope,you would expect to find a plant cell at each end.

Correct AnswerverifiedShow Answer

Which of the following is not a characteristic of an animal cell membrane?

Correct AnswerverifiedShow Answer

Which of the following are recycling centers for cells?

Correct AnswerverifiedShow Answer

How do cells avoid surface area limitations?

Correct AnswerverifiedShow Answer

Bacteria with magnetosomes swim based on the direction of the

Correct AnswerverifiedShow Answer

Which of the following are the primary components of the cell membrane and contribute to its semi-permeability property?

Correct AnswerverifiedShow Answer

If you collected and external part of a eukaryotic plasma membrane,and chemical tests showed that it was made of cellulose,you would expect to see plasmodesmata if observed with an electron microscope.

Correct AnswerverifiedShow Answer

The theory of endosymbiosis is based on

Correct AnswerverifiedShow Answer

A protein channel linking the cytoplasm of adjacent cells is called

Correct AnswerverifiedShow Answer

The scientist given credit for adding the third component to the cell theory,all cells come from preexisting cells,was

Correct AnswerverifiedShow Answer

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verified

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