Question 1

If a solution outside of a cell contains a greater concentration of dissolved particles than the contents of the cell,the solution is said to be

Accepted Answer

A)   isotonic.
B)   iso-osmotic.
C)   hypertonic.
D)   hypotonic.
E)   isometric.

Question 2

Cells that retain the ability to divide without specializing are called

Accepted Answer

A)   progenitor cells.
B)   apoptotic cells.
C)   stem cells.
D)   differentiated cells.
E)   mitotic cells.

Question 3

Movement of molecules through a membrane by filtration depends upon

Accepted Answer

A)   osmotic pressure.
B)   barometric pressure.
C)   atmospheric pressure.
D)   oncotic pressure.
E)   hydrostatic pressure.

Question 4

G1,S,and G2 are all parts of ____________.

Accepted Answer

A)   prophase
B)   metaphase
C)   anaphase
D)   telophase
E)   interphase

Question 5

The organelle that houses enzymes that degrade cellular debris is the

Accepted Answer

A)   lysosome.
B)   peroxisome.
C)   mitochondrion.
D)   nucleus.
E)   Golgi apparatus.

Question 6

Endoplasmic reticulum is best described as a

Accepted Answer

A)   formless liquid.
B)   cellular inclusion.
C)   network of interconnected membranes.
D)   thread that sticks out from the cell membrane.
E)   the genetic headquarters of the cell.

Question 7

A typical cell has ion channels that number in the

Accepted Answer

A)   hundreds.
B)   thousands.
C)   millions.
D)   billions.
E)   trillions.

Question 8

Too infrequent cell division can lead to cancer,whereas too frequent cell division can delay wound healing.

Accepted Answer

A) True 
 B)False

Question 9

The process that moves sodium ions from an area of relatively low concentration inside a cell to an area of higher concentration outside the cell is called

Accepted Answer

A)   osmosis.
B)   facilitated diffusion.
C)   active transport.
D)   exocytosis.
E)   diffusion.

Question 10

Neurotransmitter release is an example of _________.

Accepted Answer

A)   receptor-mediated transcytosis
B)   pinocytosis
C)   exocytosis
D)   phagocytosis

Question 11

The level of carbon dioxide,a waste product of metabolism,is higher ________ the cell.

Accepted Answer

A)   inside
B)   outside

Question 12

Which is NOT one of the three main parts of a cell?

Accepted Answer

A)   nucleus
B)   cytoplasm
C)   plasma membrane
D)   mitochondria

Question 13

Nerve cells release neurotransmitters using

Accepted Answer

A)   exocytosis.
B)   endocytosis.
C)   pinocytosis.
D)   phagocytosis.
E)   cytocytosis.

Question 14

Normally,these cells do not divide.

Accepted Answer

A)   nerve cells
B)   skin cells
C)   fat cells
D)   bone marrow cells
E)   cells of the small intestine

Question 15

All differentiated cell types in a human body arise through lineages of stem and progenitor cells.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following lists includes the phases of mitosis in the correct sequence?

Accepted Answer

A)   Prophase,metaphase,telophase,anaphase
B)   Prophase,metaphase,anaphase,telophase
C)   Telophase,prophase,metaphase,anaphase
D)   Anaphase,metaphase,prophase,telophase
E)   Meiosis,mitosis,apoptosis

Question 17

An organelle that is a fluid-filled sac with inner partitions studded with enzymes is a mitochondrion.

Accepted Answer

A) True 
 B)False

Question 18

A nucleolus is composed largely of

Accepted Answer

A)   RNA and DNA.
B)   RNA and lipid.
C)   DNA and protein.
D)   DNA and lipid.
E)   RNA and protein.

Question 19

Ringer's solution is isotonic to blood;it contains different concentrations of various solutes whose concentrations are often expressed in mEq/L,or milliEquivalents per Liter.If ringer's has a total solute concentration of approximately 300 mEq/L,then a solution of 500 mEq/L would be _______ to the blood.

Accepted Answer

The answer of Ringer's solution is isotonic to blood;it contains...

Question 20

Which type of cell has many mitochondria?

Accepted Answer

A)   red blood cell
B)   fat
C)   nerve
D)   skin
E)   muscle

Exam 3: Cells

The organelle that houses enzymes that degrade cellular debris is the

Correct Answer
verified

Cells that retain the ability to divide without specializing are called

Correct Answer
verified

Movement of molecules through a membrane by filtration depends upon

Correct Answer
verified

Which is NOT one of the three main parts of a cell?

Correct Answer
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G₁,S,and G₂ are all parts of ____________.

Correct Answer
verified

All differentiated cell types in a human body arise through lineages of stem and progenitor cells.

Correct Answer
verified

Normally,these cells do not divide.

Correct Answer
verified

Endoplasmic reticulum is best described as a

Correct Answer
verified

The process that moves sodium ions from an area of relatively low concentration inside a cell to an area of higher concentration outside the cell is called

Correct Answer
verified

The level of carbon dioxide,a waste product of metabolism,is higher ________ the cell.

Correct Answer
verified

Correct Answer
verified

A typical cell has ion channels that number in the

Correct Answer
verified

A nucleolus is composed largely of

Correct Answer
verified

If a solution outside of a cell contains a greater concentration of dissolved particles than the contents of the cell,the solution is said to be

Correct Answer
verified

Too infrequent cell division can lead to cancer,whereas too frequent cell division can delay wound healing.

Correct Answer
verified

Neurotransmitter release is an example of _________.

Correct Answer
verified

Which type of cell has many mitochondria?

Correct Answer
verified

Which of the following lists includes the phases of mitosis in the correct sequence?

Correct Answer
verified

Nerve cells release neurotransmitters using

Correct Answer
verified

An organelle that is a fluid-filled sac with inner partitions studded with enzymes is a mitochondrion.

Correct Answer
verified

Exam 3: Cells

The organelle that houses enzymes that degrade cellular debris is the

Correct AnswerverifiedShow Answer

Cells that retain the ability to divide without specializing are called

Correct AnswerverifiedShow Answer

Movement of molecules through a membrane by filtration depends upon

Correct AnswerverifiedShow Answer

Which is NOT one of the three main parts of a cell?

Correct AnswerverifiedShow Answer

G1,S,and G2 are all parts of ____________.

Correct AnswerverifiedShow Answer

All differentiated cell types in a human body arise through lineages of stem and progenitor cells.

Correct AnswerverifiedShow Answer

Normally,these cells do not divide.

Correct AnswerverifiedShow Answer

Endoplasmic reticulum is best described as a

Correct AnswerverifiedShow Answer

The process that moves sodium ions from an area of relatively low concentration inside a cell to an area of higher concentration outside the cell is called

Correct AnswerverifiedShow Answer

The level of carbon dioxide,a waste product of metabolism,is higher ________ the cell.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A typical cell has ion channels that number in the

Correct AnswerverifiedShow Answer

A nucleolus is composed largely of

Correct AnswerverifiedShow Answer

If a solution outside of a cell contains a greater concentration of dissolved particles than the contents of the cell,the solution is said to be

Correct AnswerverifiedShow Answer

Too infrequent cell division can lead to cancer,whereas too frequent cell division can delay wound healing.

Correct AnswerverifiedShow Answer

Neurotransmitter release is an example of _________.

Correct AnswerverifiedShow Answer

Which type of cell has many mitochondria?

Correct AnswerverifiedShow Answer

Which of the following lists includes the phases of mitosis in the correct sequence?

Correct AnswerverifiedShow Answer

Nerve cells release neurotransmitters using

Correct AnswerverifiedShow Answer

An organelle that is a fluid-filled sac with inner partitions studded with enzymes is a mitochondrion.

Correct AnswerverifiedShow Answer

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G₁,S,and G₂ are all parts of ____________.

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