Question 1

Which of the following gives a cell structural support,determines the shape of a cell,and directs the movement of substances through a cell?

Accepted Answer

A) Cholesterol 
B) The nucleus 
C) The plasma membrane 
D) The Golgi complex 
E) The cytoskeleton

Question 2

The Golgi complex makes peroxisomes,but not lysosomes.

Accepted Answer

A) True 
 B)False

Question 3

In the plasma membrane,glycolipids and glycoproteins face toward the cytoplasm,while peripheral proteins always face toward the ECF.

Accepted Answer

A) True 
 B)False

Question 4

A red blood cell is placed in a hypertonic solution.This means the concentration of solutes in the solution is __________ than the concentration of solutes in the intracellular fluid,and will cause the cell to ______________.

Accepted Answer

A) higher; swell 
B) lower; swell 
C) higher; shrink 
D) lower; shrink 
E) lower; burst

Question 5

Which of the following is not a membranous organelle?

Accepted Answer

A) Mitochondria 
B) Ribosome 
C) Nucleus 
D) Endoplasmic reticulum 
E) Golgi complex

Question 6

What do facilitated diffusion and active transport have in common?

Accepted Answer

A) Both involve transport of a solute up its concentration gradient. 
B) Both involve transport of a solute down its concentration gradient. 
C) Both involve the use of energy provided by ATP. 
D) Neither require ATP to function. 
E) Both are examples of carrier-mediated transport.

Question 7

Which of the following is a double-membraned organelle consisting of a matrix and cristae?

Accepted Answer

A) Mitochondrion 
B) Rough ER 
C) Smooth ER 
D) Golgi complex 
E) Nucleolus

Question 8

_________ decompose fatty acids,and detoxify alcohol,free radicals,and drugs.

Accepted Answer

A) Lysosomes 
B) Microvilli 
C) Inclusions 
D) Peroxisomes 
E) Golgi vesicles

Question 9

The sodium-glucose transport protein (SGLT)is one example of an active transport process involving a uniport carrier.

Accepted Answer

A) True 
 B)False

Question 10

One example of pinocytosis is the uptake of low-density lipoproteins (LDLs)by endothelial cells.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following statements is not a tenet of modern cell theory?

Accepted Answer

A) An organism's structure and all of its functions are ultimately due to the activities of its cells. 
B) All cells come only from preexisting cells. 
C) All cells occupy space. 
D) All organisms are composed of cells and cell products. 
E) The cell is the basic structural and functional unit of life.

Question 12

Ligand-gated ion channels are membrane proteins that open or close in response to the binding of a chemical.

Accepted Answer

A) True 
 B)False

Question 13

The greater the concentration gradient,the faster the diffusion rate.

Accepted Answer

A) True 
 B)False

Question 14

A patient was severely dehydrated,losing a large amount of fluid.The patient was given intravenous fluids of normal saline.Normal saline is ________ to your blood cells and is about __________ NaCl.

Accepted Answer

A) isotonic; 9% 
B) isotonic; 0.9% 
C) hypertonic; 9% 
D) hypotonic; 0.9% 
E) hypotonic; 9%

Question 15

__________ synthesize(s)carbohydrates and put(s)finishing touches on proteins synthesized at __________.

Accepted Answer

A) Smooth ER; rough ER 
B) The Golgi complex; rough ER 
C) Smooth ER; the Golgi complex 
D) The Golgi complex; smooth ER 
E) Ribosomes; smooth ER

Question 16

Proteins that do not protrude into the phospholipid bilayer,but adhere to the surface of the plasma membrane,are called __________.

Accepted Answer

A) peripheral proteins 
B) channel proteins 
C) glycoproteins 
D) integral proteins 
E) transmembrane proteins

Question 17

Insulin is taken up,via endocytosis,by the endothelial cells that line blood capillaries.Then,it's transported across the cell to the other side,where it is released.This transport is called __________.

Accepted Answer

A) pinocytosis 
B) receptor-mediated phagocytosis 
C) passive transport 
D) facilitated transport 
E) transcytosis

Question 18

__________ provide motility to a sperm cell,__________ act as sensory "antennae" in many cells,and ____________ increase a cell's surface area.

Accepted Answer

A) Cilia; microvilli; flagella 
B) Microvilli; cilia; flagella 
C) Microvilli; flagella; cilia 
D) Flagella; microvilli; cilia 
E) Flagella; cilia; microvilli

Question 19

What organelle is most active in causing programmed cell death?

Accepted Answer

A) Rough endoplasmic reticulum 
B) Nucleus 
C) Centriole 
D) Lysosome 
E) Mitochondrion

Question 20

Which of these is an example of active transport?

Accepted Answer

A) Diffusion of oxygen from a place of high concentration to a place of lower concentration 
B) Facilitated diffusion of K+ 
C) Transport of glucose down its concentration gradient 
D) Transport of Na+ from a place of low concentration to a place of higher concentration 
E) Transport of Cl- following its concentration gradient

Exam 3: Cellular Form and Function

Which of the following gives a cell structural support,determines the shape of a cell,and directs the movement of substances through a cell?

The Golgi complex makes peroxisomes,but not lysosomes.

In the plasma membrane,glycolipids and glycoproteins face toward the cytoplasm,while peripheral proteins always face toward the ECF.

A red blood cell is placed in a hypertonic solution.This means the concentration of solutes in the solution is than the concentration of solutes in the intracellular fluid,and will cause the cell to ____.

Which of the following is not a membranous organelle?

What do facilitated diffusion and active transport have in common?

Which of the following is a double-membraned organelle consisting of a matrix and cristae?

_________ decompose fatty acids,and detoxify alcohol,free radicals,and drugs.

The sodium-glucose transport protein (SGLT)is one example of an active transport process involving a uniport carrier.

One example of pinocytosis is the uptake of low-density lipoproteins (LDLs)by endothelial cells.

Which of the following statements is not a tenet of modern cell theory?

Ligand-gated ion channels are membrane proteins that open or close in response to the binding of a chemical.

The greater the concentration gradient,the faster the diffusion rate.

A patient was severely dehydrated,losing a large amount of fluid.The patient was given intravenous fluids of normal saline.Normal saline is to your blood cells and is about __ NaCl.

synthesize(s) carbohydrates and put(s) finishing touches on proteins synthesized at .

Proteins that do not protrude into the phospholipid bilayer,but adhere to the surface of the plasma membrane,are called __________.

Insulin is taken up,via endocytosis,by the endothelial cells that line blood capillaries.Then,it's transported across the cell to the other side,where it is released.This transport is called __________.

provide motility to a sperm cell, act as sensory "antennae" in many cells,and ____ increase a cell's surface area.

What organelle is most active in causing programmed cell death?

Which of these is an example of active transport?

Exam 3: Cellular Form and Function

Which of the following gives a cell structural support,determines the shape of a cell,and directs the movement of substances through a cell?

The Golgi complex makes peroxisomes,but not lysosomes.

In the plasma membrane,glycolipids and glycoproteins face toward the cytoplasm,while peripheral proteins always face toward the ECF.

A red blood cell is placed in a hypertonic solution.This means the concentration of solutes in the solution is __________ than the concentration of solutes in the intracellular fluid,and will cause the cell to ______________.

Which of the following is not a membranous organelle?

What do facilitated diffusion and active transport have in common?

Which of the following is a double-membraned organelle consisting of a matrix and cristae?

_________ decompose fatty acids,and detoxify alcohol,free radicals,and drugs.

The sodium-glucose transport protein (SGLT)is one example of an active transport process involving a uniport carrier.

One example of pinocytosis is the uptake of low-density lipoproteins (LDLs)by endothelial cells.

Which of the following statements is not a tenet of modern cell theory?

Ligand-gated ion channels are membrane proteins that open or close in response to the binding of a chemical.

The greater the concentration gradient,the faster the diffusion rate.

A patient was severely dehydrated,losing a large amount of fluid.The patient was given intravenous fluids of normal saline.Normal saline is ________ to your blood cells and is about __________ NaCl.

__________ synthesize(s) carbohydrates and put(s) finishing touches on proteins synthesized at __________.

Proteins that do not protrude into the phospholipid bilayer,but adhere to the surface of the plasma membrane,are called __________.

Insulin is taken up,via endocytosis,by the endothelial cells that line blood capillaries.Then,it's transported across the cell to the other side,where it is released.This transport is called __________.

__________ provide motility to a sperm cell,__________ act as sensory "antennae" in many cells,and ____________ increase a cell's surface area.

What organelle is most active in causing programmed cell death?

Which of these is an example of active transport?

A red blood cell is placed in a hypertonic solution.This means the concentration of solutes in the solution is than the concentration of solutes in the intracellular fluid,and will cause the cell to ____.

A patient was severely dehydrated,losing a large amount of fluid.The patient was given intravenous fluids of normal saline.Normal saline is to your blood cells and is about __ NaCl.

synthesize(s) carbohydrates and put(s) finishing touches on proteins synthesized at .

provide motility to a sperm cell, act as sensory "antennae" in many cells,and ____ increase a cell's surface area.