Question 1

Passive membrane transport processes include ________.

Accepted Answer

A)  the use of transport proteins when moving substances from areas of low to high concentration 
B)  movement of a substance down its concentration gradient 
C)  consumption of ATP 
D)  movement of water from an area of high solute concentration to an area of low concentration 
A)  the use of transport proteins when moving substances from areas of low to high concentration 
B)  movement of a substance down its concentration gradient 
C)  consumption of ATP 
D)  movement of water from an area of high solute concentration to an area of low concentration

Question 2

Match the following:
-Help prevent molecules from passing through the extracellular space between adjacent cells.

Accepted Answer

A) Tight junctions 
B) Gap junctions 
C) Desmosomes 
A) Tight junctions 
B) Gap junctions 
C) Desmosomes

Question 3

Figure 3.1
Using Figure 3.1, match the following:
-Produces ATP aerobically.

Accepted Answer

A) C 
B) E 
C) D 
D) A 
E) B 
A) C 
B) E 
C) D 
D) A 
E) B

Question 4

Figure 3.2
Using Figure 3.2, match the following:
-Hydrophilic portion of phospholipid.

Accepted Answer

A) A 
B) E 
C) C 
D) D 
E) B 
A) A 
B) E 
C) C 
D) D 
E) B

Question 5

If active transport establishes a concentration gradient with the use of ATP,then the concentration gradient can be looked at as ________.

Accepted Answer

A)  potential energy that can be harnessed when molecules passively diffuse down the concentration gradient 
B)  a byproduct of active transport that will be alleviated by pinocytosis 
C)  an unusable byproduct of active transport that will simply diffuse away 
D)  unwanted pressure that will be alleviated by channel mediated facilitated diffusion 
A)  potential energy that can be harnessed when molecules passively diffuse down the concentration gradient 
B)  a byproduct of active transport that will be alleviated by pinocytosis 
C)  an unusable byproduct of active transport that will simply diffuse away 
D)  unwanted pressure that will be alleviated by channel mediated facilitated diffusion

Question 6

The process of discharging particles from inside a cell to the outside is called ________.

Accepted Answer

The answer of The process of discharging particles from inside...

Question 7

What processes maintain a steady state "resting" membrane potential?

Accepted Answer

Both diffusion and active tran

Question 8

The movement of water across the plasma membrane can be described by all of the following EXCEPT ________.

Accepted Answer

A)  carrier-mediated facilitated diffusion. 
B)  passive membrane transport. 
C)  simple diffusion. 
D)  facilitated diffusion through aquaporins. 
A)  carrier-mediated facilitated diffusion. 
B)  passive membrane transport. 
C)  simple diffusion. 
D)  facilitated diffusion through aquaporins.

Question 9

Mitosis ________.

Accepted Answer

A)  creates diversity in genetic potential 
B)  is division of the genetic material within the nucleus 
C)  is always a part of the cell cycle 
D)  is the formation of sex cells 
A)  creates diversity in genetic potential 
B)  is division of the genetic material within the nucleus 
C)  is always a part of the cell cycle 
D)  is the formation of sex cells

Question 10

Which transport process is the main mechanism for the movement of most macromolecules by body cells?

Accepted Answer

A)  secondary active transport 
B)  receptor-mediated endocytosis 
C)  pinocytosis 
D)  phagocytosis 
A)  secondary active transport 
B)  receptor-mediated endocytosis 
C)  pinocytosis 
D)  phagocytosis

Question 11

When tissues are injured or infected,chemical signals can be releases that affect the plasma membrane of cells that line the nearby blood vessels.These blood vessels cells (endothelial cells)respond to the chemical signals by displaying a type of glycoproteins on their surface.These proteins will attach to circulating white blood cells bringing them to the site of injury or infection.These glycoproteins would best be described as ________.

Accepted Answer

A)  desmosomes 
B)  G-proteins 
C)  transport proteins 
D)  Cell Adhesion Molecules (CAMs) 
A)  desmosomes 
B)  G-proteins 
C)  transport proteins 
D)  Cell Adhesion Molecules (CAMs)

Question 12

Match the following:
-Type of anchoring junction.

Accepted Answer

A) Tight junctions 
B) Gap junctions 
C) Desmosomes 
A) Tight junctions 
B) Gap junctions 
C) Desmosomes

Question 13

If the nucleotide or base sequence of the DNA strand used as a template for messenger RNA synthesis is ACGTT,then what would be the sequence of bases in the corresponding mRNA?

Accepted Answer

A)  ACGTT 
B)  GUACC 
C)  UGCAA 
D)  TGCAA 
A)  ACGTT 
B)  GUACC 
C)  UGCAA 
D)  TGCAA

Question 14

The metabolic or growth phase of a cell life cycle is called ________.

Accepted Answer

The answer of The metabolic or growth phase of a...

Question 15

The RNA responsible for bringing the amino acids to the ribosome for protein formation is ________.

Accepted Answer

A)  mRNA 
B)  rRNA 
C)  tRNA 
D)  ssRNA 
A)  mRNA 
B)  rRNA 
C)  tRNA 
D)  ssRNA

Question 16

If a human cell were to increase the amount of cholesterol embedded within its plasma membrane which of the following would most likely happen?

Accepted Answer

A)  The plasma membrane would become more permeable to ions and less permeable to lipids. 
B)  The cell would form a plaque that could potential block a blood vessel. 
C)  The plasma membrane would become more fluid and the phospholipids less stable. 
D)  The plasma membrane would become more stable, less fluid and less permeable. 
A)  The plasma membrane would become more permeable to ions and less permeable to lipids. 
B)  The cell would form a plaque that could potential block a blood vessel. 
C)  The plasma membrane would become more fluid and the phospholipids less stable. 
D)  The plasma membrane would become more stable, less fluid and less permeable.

Question 17

Figure 3.1
Using Figure 3.1, match the following:
-Forms the mitotic spindle.

Accepted Answer

A) C 
B) E 
C) D 
D) A 
E) B 
A) C 
B) E 
C) D 
D) A 
E) B

Question 18

Which of the following would not be a constituent of a plasma membrane?

Accepted Answer

A)  glycoproteins 
B)  glycolipids 
C)  messenger RNA 
D)  phospholipids 
A)  glycoproteins 
B)  glycolipids 
C)  messenger RNA 
D)  phospholipids

Question 19

A red blood cell placed in pure water would ________.

Accepted Answer

A)  neither shrink nor swell 
B)  swell and burst 
C)  swell initially, then shrink as equilibrium is reached 
D)  shrink 
A)  neither shrink nor swell 
B)  swell and burst 
C)  swell initially, then shrink as equilibrium is reached 
D)  shrink

Question 20

Match the following:
-Provides the energy needed for synthesis reactions.

Accepted Answer

A) Transfer RNA 
B) Messenger RNA 
C) Ribosomal RNA 
D) ATP 
E) Synthetase enzymes 
A) Transfer RNA 
B) Messenger RNA 
C) Ribosomal RNA 
D) ATP 
E) Synthetase enzymes

Exam 3: Cells: the Living Units

Passive membrane transport processes include ________.

Match the following: -Help prevent molecules from passing through the extracellular space between adjacent cells.

Figure 3.1 Using Figure 3.1, match the following: -Produces ATP aerobically.

Figure 3.2 Using Figure 3.2, match the following: -Hydrophilic portion of phospholipid.

If active transport establishes a concentration gradient with the use of ATP,then the concentration gradient can be looked at as ________.

The process of discharging particles from inside a cell to the outside is called ________.

What processes maintain a steady state "resting" membrane potential?

The movement of water across the plasma membrane can be described by all of the following EXCEPT ________.

Mitosis ________.

Which transport process is the main mechanism for the movement of most macromolecules by body cells?

Match the following: -Type of anchoring junction.

If the nucleotide or base sequence of the DNA strand used as a template for messenger RNA synthesis is ACGTT,then what would be the sequence of bases in the corresponding mRNA?

The metabolic or growth phase of a cell life cycle is called ________.

The RNA responsible for bringing the amino acids to the ribosome for protein formation is ________.

If a human cell were to increase the amount of cholesterol embedded within its plasma membrane which of the following would most likely happen?

Figure 3.1 Using Figure 3.1, match the following: -Forms the mitotic spindle.

Which of the following would not be a constituent of a plasma membrane?

A red blood cell placed in pure water would ________.

Match the following: -Provides the energy needed for synthesis reactions.

The Human Body: an Orientation

Chemistry Comes Alive

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissue

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Immune System: Innate and Adaptive Body Defenses

The Respiratory System

The Digestive System

Nutrition,metabolism,and Body Temperature Regulation

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Pregnancy and Human Development

Heredity

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