Question 1

Which energy association is correct?

Accepted Answer

A)  Kinetic energy is energy of motion. 
B)  Water stored behind a dam is an example of kinetic energy. 
C)  Energy in the chemical bonds of a molecule is kinetic energy. 
D)  Potential energy must be used immediately or it is lost. 
E)  Light energy is a form of chemical energy. 
A)  Kinetic energy is energy of motion. 
B)  Water stored behind a dam is an example of kinetic energy. 
C)  Energy in the chemical bonds of a molecule is kinetic energy. 
D)  Potential energy must be used immediately or it is lost. 
E)  Light energy is a form of chemical energy.

Question 2

A patient who is admitted to the hospital shares that she has been taking a series of "water pills" to help her lose weight. Her skin and mucous membranes are dry, and she is complaining of a headache. The physician on call asks for an IV treatment to be promptly administered. Based on the information given, what would likely be the type of IV solution given to this patient?

Accepted Answer

A)  hypotonic 
B)  isotonic 
C)  osmotic 
D)  hypertonic 
E)  saturated 
A)  hypotonic 
B)  isotonic 
C)  osmotic 
D)  hypertonic 
E)  saturated

Question 3

Energy of activation

Accepted Answer

A)  is the energy required for molecules to react with each other. 
B)  requires the use of enzymes. 
C)  allows for feedback inhibition. 
D)  acts on the products of metabolic reactions. 
E)  is a measure of the amount of solar radiation striking a leaf surface. 
A)  is the energy required for molecules to react with each other. 
B)  requires the use of enzymes. 
C)  allows for feedback inhibition. 
D)  acts on the products of metabolic reactions. 
E)  is a measure of the amount of solar radiation striking a leaf surface.

Question 4

The part of the enzyme into which the substrate fits is called the

Accepted Answer

A)  feedback site. 
B)  active site. 
C)  substrate location. 
D)  inhibitor. 
E)  solute. 
A)  feedback site. 
B)  active site. 
C)  substrate location. 
D)  inhibitor. 
E)  solute.

Question 5

Which of the following statements most accurately describes the first law of thermodynamics?

Accepted Answer

A)  Energy can neither be created nor destroyed, but it can be changed from one form to another. 
B)  One usable form of energy cannot be completely converted into another usable form. 
C)  One usable form of energy can be completely converted into another usable form. 
D)  Energy cannot be created or destroyed. 
E)  Energy cannot be transformed. 
A)  Energy can neither be created nor destroyed, but it can be changed from one form to another. 
B)  One usable form of energy cannot be completely converted into another usable form. 
C)  One usable form of energy can be completely converted into another usable form. 
D)  Energy cannot be created or destroyed. 
E)  Energy cannot be transformed.

Question 6

Intestinal cells absorb glucose via facilitated diffusion. What would happen if all the mitochondria within these intestinal cells were destroyed?

Accepted Answer

A)  Glucose absorption would increase. 
B)  Glucose absorption would decrease. 
C)  Glucose absorption would stop. 
D)  Glucose absorption would not be affected. 
E)  Glucose absorption would be slow at first and then increase. 
A)  Glucose absorption would increase. 
B)  Glucose absorption would decrease. 
C)  Glucose absorption would stop. 
D)  Glucose absorption would not be affected. 
E)  Glucose absorption would be slow at first and then increase.

Question 7

Probable factors that affect the passage of materials across cell membranes include all of the following except

Accepted Answer

A)  concentration. 
B)  size. 
C)  color. 
D)  time. 
E)  charge. 
A)  concentration. 
B)  size. 
C)  color. 
D)  time. 
E)  charge.

Question 8

What process typically regulates the enzymes involved in metabolic reactions?

Accepted Answer

A)  substrate inhibition 
B)  entropy capture 
C)  ATP blockage 
D)  feedback inhibition 
E)  temperature levels 
A)  substrate inhibition 
B)  entropy capture 
C)  ATP blockage 
D)  feedback inhibition 
E)  temperature levels

Question 9

Molecules move from greater to lesser concentration through a transport protein in

Accepted Answer

A)  simple diffusion. 
B)  facilitated diffusion. 
C)  pinocytosis. 
D)  active transport. 
E)  phagocytosis. 
A)  simple diffusion. 
B)  facilitated diffusion. 
C)  pinocytosis. 
D)  active transport. 
E)  phagocytosis.

Question 10

When a potted houseplant is wilting, the addition of water quickly changes the look of the plant. This can be accounted for by which of the following statements?

Accepted Answer

A)  The water creates a hypertonic environment causing the cells to lose water. 
B)  The water creates a hypotonic environment causing cells to lose water. 
C)  The water creates a hypertonic environment causing the cells to gain water. 
D)  The water creates a hypotonic environment causing the cells to gain water. 
E)  The water creates an isotonic environment that allows for the cells to neither gain nor lose water. 
A)  The water creates a hypertonic environment causing the cells to lose water. 
B)  The water creates a hypotonic environment causing cells to lose water. 
C)  The water creates a hypertonic environment causing the cells to gain water. 
D)  The water creates a hypotonic environment causing the cells to gain water. 
E)  The water creates an isotonic environment that allows for the cells to neither gain nor lose water.

Question 11

Which of the following statements describes the correct flow of energy conversions through living systems?

Accepted Answer

A)  Chloroplasts convert solar energy to the chemical energy of nutrient molecules. 
B)  Mitochondria convert ATP molecules into glucose. 
C)  Chloroplasts produce CO2 and H2O during photosynthesis. 
D)  Mitochondria capture solar energy and convert it to oxygen. 
E)  Chloroplasts burn glucose into ATP molecules during cell respiration. 
A)  Chloroplasts convert solar energy to the chemical energy of nutrient molecules. 
B)  Mitochondria convert ATP molecules into glucose. 
C)  Chloroplasts produce CO2 and H2O during photosynthesis. 
D)  Mitochondria capture solar energy and convert it to oxygen. 
E)  Chloroplasts burn glucose into ATP molecules during cell respiration.

Question 12

Once the substrate moves into the active site of the enzyme,

Accepted Answer

A)  the enzyme breaks the substrate into three products. 
B)  the two molecules fuse together to form the product. 
C)  the enzyme alters in shape to more closely fit the substrate. 
D)  the substrate alters shape to more closely fit the active site. 
E)  the substrate and enzyme both alter shape to fit together. 
A)  the enzyme breaks the substrate into three products. 
B)  the two molecules fuse together to form the product. 
C)  the enzyme alters in shape to more closely fit the substrate. 
D)  the substrate alters shape to more closely fit the active site. 
E)  the substrate and enzyme both alter shape to fit together.

Question 13

In the setup shown in the figure below, which process allows the water to move across the membrane?

Accepted Answer

A)  osmosis 
B)  active transport 
C)  phagocytosis 
D)  facilitated diffusion 
E)  passive transport 
A)  osmosis 
B)  active transport 
C)  phagocytosis 
D)  facilitated diffusion 
E)  passive transport

Question 14

Where within the cell is ATP produced?

Accepted Answer

A)  mitochondria 
B)  cytoplasm 
C)  nucleus 
D)  endoplasmic reticulum 
E)  Golgi body 
A)  mitochondria 
B)  cytoplasm 
C)  nucleus 
D)  endoplasmic reticulum 
E)  Golgi body

Question 15

In what function do the embedded membrane proteins at "c" serve?

Accepted Answer

A)  simple diffusion 
B)  facilitated and active transport 
C)  support for the membrane 
D)  phagocytosis 
E)  osmosis 
A)  simple diffusion 
B)  facilitated and active transport 
C)  support for the membrane 
D)  phagocytosis 
E)  osmosis

Question 16

Which of these words does not belong with the rest as it relates to concentration gradient?

Accepted Answer

A)  osmosis 
B)  diffusion 
C)  passive transport 
D)  active transport 
E)  facilitated diffusion 
A)  osmosis 
B)  diffusion 
C)  passive transport 
D)  active transport 
E)  facilitated diffusion

Question 17

Why do metabolic pathways require tens to hundreds of different enzymes?

Accepted Answer

A)  The enzymes are used up after one reaction and the molecules have to undergo multiple rearrangements. 
B)  The enzyme is deformed by the interaction with the substrate and needs a period of time to return to its
Original reactive form, so many enzymes are needed to keep the pathway going. 
C)  Each enzyme has a specific substrate and produces a specific product. 
D)  Multiple enzymes are not required for the pathway, but having them speed up the production of the final product. 
E)  The enzymes are attached to a membrane and cannot move to the location of the new intermediate, so 
A)  The enzymes are used up after one reaction and the molecules have to undergo multiple rearrangements. 
B)  The enzyme is deformed by the interaction with the substrate and needs a period of time to return to its
Original reactive form, so many enzymes are needed to keep the pathway going. 
C)  Each enzyme has a specific substrate and produces a specific product. 
D)  Multiple enzymes are not required for the pathway, but having them speed up the production of the final product. 
E)  The enzymes are attached to a membrane and cannot move to the location of the new intermediate, so

Question 18

Because it is a passive process, which membrane transport process can continue whether the cell is alive or dead?

Accepted Answer

A)  diffusion 
B)  sodium/potassium pump 
C)  pinocytosis 
D)  phagocytosis 
E)  exocytosis 
A)  diffusion 
B)  sodium/potassium pump 
C)  pinocytosis 
D)  phagocytosis 
E)  exocytosis

Question 19

Which statement most accurately describes the second law of thermodynamics?

Accepted Answer

A)  Energy cannot be changed from one form to another without a loss of usable energy. 
B)  One usable form of energy can be completely converted into another usable form. 
C)  Energy cannot be created or destroyed, but it can be changed from one form to another. 
D)  Energy cannot be created or destroyed. 
E)  Energy cannot be transformed. 
A)  Energy cannot be changed from one form to another without a loss of usable energy. 
B)  One usable form of energy can be completely converted into another usable form. 
C)  Energy cannot be created or destroyed, but it can be changed from one form to another. 
D)  Energy cannot be created or destroyed. 
E)  Energy cannot be transformed.

Question 20

Which of the types of cellular activities listed below would not use ATP?

Accepted Answer

A)  active transport 
B)  muscular contraction 
C)  flagella movement 
D)  passive transport 
E)  protein synthesis 
A)  active transport 
B)  muscular contraction 
C)  flagella movement 
D)  passive transport 
E)  protein synthesis

Exam 5: The Dynamic Cell

Which energy association is correct?

Energy of activation

The part of the enzyme into which the substrate fits is called the

Which of the following statements most accurately describes the first law of thermodynamics?

Intestinal cells absorb glucose via facilitated diffusion. What would happen if all the mitochondria within these intestinal cells were destroyed?

Probable factors that affect the passage of materials across cell membranes include all of the following except

What process typically regulates the enzymes involved in metabolic reactions?

Molecules move from greater to lesser concentration through a transport protein in

When a potted houseplant is wilting, the addition of water quickly changes the look of the plant. This can be accounted for by which of the following statements?

Which of the following statements describes the correct flow of energy conversions through living systems?

Once the substrate moves into the active site of the enzyme,

In the setup shown in the figure below, which process allows the water to move across the membrane?

Where within the cell is ATP produced?

In what function do the embedded membrane proteins at "c" serve?

Which of these words does not belong with the rest as it relates to concentration gradient?

Why do metabolic pathways require tens to hundreds of different enzymes?

Because it is a passive process, which membrane transport process can continue whether the cell is alive or dead?

Which statement most accurately describes the second law of thermodynamics?

Which of the types of cellular activities listed below would not use ATP?

A View of Life

The Chemical Basis of Life

The Organic Molecules of Life

Inside the Cell

Energy for Life

Energy for Cells

Cellular Reproduction

Meiosis and the Genetic Basis of Sexual Reproduction

Patterns of Inheritance

DNA Biology and Technology

Biotechnology and Genomics

Genetic Counseling

Darwin and Evolution

Evolution on a Small Scale

Evolution on a Large Scale

The Microorganisms: Viruses, Bacteria, and Protists

The Plants and Fungi

The Animals

Plant Anatomy and Growth

Plant Responses and Reproduction

Being Organized and Steady

The Transport Systems

The Maintenance Systems

Digestion and Human Nutrition

Defenses Against Disease

The Control Systems

Sensory Input and Motor Output

Reproduction and Embryonic Development

Ecology of Populations

Communities and Ecosystems

Human Impact on the Biosphere

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