Question 1

If the concentration of glucose in the water outside of a cell is higher than the concentration inside,

Accepted Answer

A)  water will enter the cell by osmosis.
B)  water will leave the cell by osmosis.
C)  glucose will enter the cell by osmosis.
D)  glucose will leave the cell by osmosis.E) A) and C)
F) A) and B)

Question 2

Stages of the cell cycle in correct sequence are interphase, mitosis, cytoplasmic division, and differentiation.

Accepted Answer

A) True 
 B)False

Question 3

Salt is placed in a glass of water. Slowly the salt begins to even out in concentration due to what factor?

Accepted Answer

A)  Distance gradient
B)  Distance vector
C)  Concentration vector
D)  Concentration gradientE) All of the above
F) C) and D)

Question 4

The average number of divisions that a human cell cultured in a dish can undergo is

Accepted Answer

A)  10-20.
B)  30-40.
C)  40-60.
D)  60-100.E) A) and D)
F) A) and C)

Question 5

Buildup of incorrectly folded proteins induces a stress response known as unknown protein response (UPR) that, when prolonged, has a high correlation with neurodegenerative diseases such as parkinson's. which organelle Is likely malfunctioning and allowing for the buildup?

Accepted Answer

A)  Mitochondrion
B)  Vesicles
C)  Nucleus
D)  LysosomeE) A) and D)
F) All of the above

Question 6

Apoptosis begins with a cell receiving a signal to die.

Accepted Answer

A) True 
 B)False  True

Question 7

A researcher has been studying genes that result in abnormal cell growth and has linked them to cancer. What two types of genes is the researcher studying?

Accepted Answer

A)  Kinases and cyclins
B)  Oncosuppressors and tumor activators
C)  Metastatic activators and apoptosis stimulators
D)  Tumor suppressors and oncogenesE) A) and D)
F) None of the above

Question 8

Smooth endoplasmic reticulum has ribosomes and rough endoplasmic reticulum does not.

Accepted Answer

A) True 
 B)False

Question 9

Stages of the cell cycle unfold in the following order:

Accepted Answer

A)  differentiation, cytoplasmic division, mitosis, interphase.
B)  interphase, differentiation, cytoplasmic division, mitosis.
C)  interphase, mitosis, cytoplasmic division, differentiation.
D)  mitosis, interphase, cytoplasmic division, differentiation.E) A) and B)
F) A) and C)

Question 10

The framework of a cell membrane is a lipid bilayer.

Accepted Answer

A) True 
 B)False

Question 11

Loss of cell cycle control can cause cancer.

Accepted Answer

A) True 
 B)False

Question 12

The process by which cells specialize is called differentiation.

Accepted Answer

A) True 
 B)False  True

Question 13

When you scrape your skin, white blood cells arrive to fight infection. To slow down near the site of the cut, they use selectin, which provides traction. Since selectin helps white blood cells bind to a surface, they are part of a protein group known as

Accepted Answer

A)  cellular adhesion molecules.
B)  integral proteins.
C)  cellular binding molecules.
D)  receptors.E) All of the above
F) A) and B)

Question 14

Anderson's disease results in the failure to secrete large proteins called chylomicrons. Which organelle is most likely affected?

Accepted Answer

A)  Nucleus
B)  Lysosome
C)  Vesicles
D)  MitochondrionE) All of the above
F) B) and C) C

Question 15

If a red blood cell is placed in a hypotonic solution,

Accepted Answer

A)  the cell will shrink.
B)  only permeable substances will leave; but concentrations in the cell do not change.
C)  the cell will remain the same size and shape.
D)  the cell will swell and may eventually burst.E) A) and B)
F) None of the above

Question 16

The cytoplasm consists of organelles suspended in ________.

Accepted Answer

The answer of The cytoplasm consists of organelles suspended in...

Question 17

Cell membranes are described as a fluid mosaic that maintains stability while still allowing movement. What component maintains most of the flexibility of the membrane?

Accepted Answer

A)  Phospholipid bilayer
B)  Integral proteins
C)  Polysaccharides
D)  CarbohydratesE) C) and D)
F) B) and D)

Question 18

Adrenoleukodystrophy is caused by deficiency of a protein in the outer membrane of

Accepted Answer

A)  cells.
B)  lysosomes.
C)  mitochondria.
D)  peroxisomes.E) None of the above
F) B) and C)

Question 19

Certain white blood cells take in bacterial cells by phagocytosis.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following correctly describes the structural organization of the cell membrane?

Accepted Answer

A)  A solid, rigid layer of phospholipid with loosely bound protein molecules
B)  A bilayer of phospholipid molecules in which protein molecules are embedded and can move
C)  Rigid layers of protein molecules in which carbohydrate molecules are suspended
D)  Three layers; lipid on the inside, protein in the middle, and carbohydrates (and polysaccharides) on the outsideE) A) and D)
F) All of the above

Exam 3: Cells

If the concentration of glucose in the water outside of a cell is higher than the concentration inside,

Correct AnswerverifiedShow Answer

Stages of the cell cycle in correct sequence are interphase, mitosis, cytoplasmic division, and differentiation.

Correct AnswerverifiedShow Answer

Salt is placed in a glass of water. Slowly the salt begins to even out in concentration due to what factor?

Correct AnswerverifiedShow Answer

The average number of divisions that a human cell cultured in a dish can undergo is

Correct AnswerverifiedShow Answer

Buildup of incorrectly folded proteins induces a stress response known as unknown protein response (UPR) that, when prolonged, has a high correlation with neurodegenerative diseases such as parkinson's. which organelle Is likely malfunctioning and allowing for the buildup?

Correct AnswerverifiedShow Answer

Apoptosis begins with a cell receiving a signal to die.

Correct AnswerverifiedTrue

A researcher has been studying genes that result in abnormal cell growth and has linked them to cancer. What two types of genes is the researcher studying?

Correct AnswerverifiedShow Answer

Smooth endoplasmic reticulum has ribosomes and rough endoplasmic reticulum does not.

Correct AnswerverifiedShow Answer

Stages of the cell cycle unfold in the following order:

Correct AnswerverifiedShow Answer

The framework of a cell membrane is a lipid bilayer.

Correct AnswerverifiedShow Answer

Loss of cell cycle control can cause cancer.

Correct AnswerverifiedShow Answer

The process by which cells specialize is called differentiation.

Correct AnswerverifiedTrue

When you scrape your skin, white blood cells arrive to fight infection. To slow down near the site of the cut, they use selectin, which provides traction. Since selectin helps white blood cells bind to a surface, they are part of a protein group known as

Correct AnswerverifiedShow Answer

Anderson's disease results in the failure to secrete large proteins called chylomicrons. Which organelle is most likely affected?

Correct AnswerverifiedC

If a red blood cell is placed in a hypotonic solution,

Correct AnswerverifiedShow Answer

The cytoplasm consists of organelles suspended in ________.

Correct AnswerverifiedShow Answer

Cell membranes are described as a fluid mosaic that maintains stability while still allowing movement. What component maintains most of the flexibility of the membrane?

Correct AnswerverifiedShow Answer

Adrenoleukodystrophy is caused by deficiency of a protein in the outer membrane of

Correct AnswerverifiedShow Answer

Certain white blood cells take in bacterial cells by phagocytosis.

Correct AnswerverifiedShow Answer

Which of the following correctly describes the structural organization of the cell membrane?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
True

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
True

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified