Question 1

Which of the following occurs with alcohol induced cirrhosis of the liver?

Accepted Answer

A)  the production of albumin, important for solute balance, stops 
B)  toxins accumulate in the brain 
C)  blood flow is restricted 
D)  a 50% chance of death within 10 years of onset 
E)  all of these occur with alcohol induced cirrhosis of the liver 
A)  the production of albumin, important for solute balance, stops 
B)  toxins accumulate in the brain 
C)  blood flow is restricted 
D)  a 50% chance of death within 10 years of onset 
E)  all of these occur with alcohol induced cirrhosis of the liver

Question 2

Match the following correctly.
a.simple diffusion
b.exocytosis
c.osmosis
d.active transport
e.phagocytosis
-The process by which a lysosome expels its contents into the extracellular environment.

Accepted Answer

The answer of Match the following correctly.
a.simple diffusion
b.exocytosis
c.osmosis
d.active transport
e.phagocytosis
-The process...

Question 3

Which of the following statements is CORRECT about enzymes?

Accepted Answer

A)  Most enzymes are proteins. 
B)  Enzymes speed up reactions that are intended to happen anyway. 
C)  Enzymes do not change the output of a reaction. 
D)  Enzymes can perform over and over. 
E)  All of these are correct. 
A)  Most enzymes are proteins. 
B)  Enzymes speed up reactions that are intended to happen anyway. 
C)  Enzymes do not change the output of a reaction. 
D)  Enzymes can perform over and over. 
E)  All of these are correct.

Question 4

Wilting of a plant occurs

Accepted Answer

A)  if the plant is placed in an isotonic solution. 
B)  if there is a rise in turgor pressure. 
C)  as a result of facilitated diffusion. 
D)  if the plant is placed in a hypertonic solution. 
E)  if the plant is placed in a hypotonic solution. 
A)  if the plant is placed in an isotonic solution. 
B)  if there is a rise in turgor pressure. 
C)  as a result of facilitated diffusion. 
D)  if the plant is placed in a hypertonic solution. 
E)  if the plant is placed in a hypotonic solution.

Question 5

Osmotic pressure is to a plant cell as ___ is to a ___.

Accepted Answer

A)  air; balloon 
B)  water; water glass 
C)  fire; campfire 
D)  wind; windmill 
E)  dirt; vacuum cleaner 
A)  air; balloon 
B)  water; water glass 
C)  fire; campfire 
D)  wind; windmill 
E)  dirt; vacuum cleaner

Question 6

Which of the following is NOT true regarding coenzymes?

Accepted Answer

A)  NAD+ is an example of a coenzyme. 
B)  Coenzymes may carry electrons. 
C)  Coenzymes may be bound to an enzyme. 
D)  Coenzymes may act as a separate molecule. 
E)  Coenzymes are metal ions. 
A)  NAD+ is an example of a coenzyme. 
B)  Coenzymes may carry electrons. 
C)  Coenzymes may be bound to an enzyme. 
D)  Coenzymes may act as a separate molecule. 
E)  Coenzymes are metal ions.

Question 7

Water stops diffusing into a plant cell from the soil when

Accepted Answer

A)  turgor pressure inside the plant cell decreases. 
B)  turgor pressure between the plant cell and soil is equal. 
C)  turgor pressure inside a plant cell is at a maximum. 
D)  there is no turgor pressure inside the cell or within the soil. 
E)  more than one of these situations exist. 
A)  turgor pressure inside the plant cell decreases. 
B)  turgor pressure between the plant cell and soil is equal. 
C)  turgor pressure inside a plant cell is at a maximum. 
D)  there is no turgor pressure inside the cell or within the soil. 
E)  more than one of these situations exist.

Question 8

The fact that the earth does not go up in flames in spite of the richness of oxygen in our environment is related to which of the following concepts?

Accepted Answer

A)  the activation energy needed to break bonds. 
B)  the fact that reactants always have less energy than products. 
C)  the first law of thermodynmics. 
D)  the second law of thermodynamics. 
E)  the abundance of water in our atmosphere which inhibits combustion. 
A)  the activation energy needed to break bonds. 
B)  the fact that reactants always have less energy than products. 
C)  the first law of thermodynmics. 
D)  the second law of thermodynamics. 
E)  the abundance of water in our atmosphere which inhibits combustion.

Question 9

Active transport pumps typically move solutes from ____ to ____ fluids.

Accepted Answer

A)  hypertonic - hypotonic 
B)  hypotonic - hypertonic 
C)  isotonic - hypotonic 
D)  hypertonic - hypertonic 
E)  hypotonic - hypotonic 
A)  hypertonic - hypotonic 
B)  hypotonic - hypertonic 
C)  isotonic - hypotonic 
D)  hypertonic - hypertonic 
E)  hypotonic - hypotonic

Question 10

Which of the following statements about blood cells in solutions is CORRECT?

Accepted Answer

A)  A blood cell placed in an isotonic solution will swell. 
B)  A blood cell placed in a hypotonic solution will swell. 
C)  A blood cell placed in a hypotonic solution will shrink. 
D)  A blood cell placed in an isotonic solution will shrink. 
E)  A cell placed in a hypotonic solution will remain the same size. 
A)  A blood cell placed in an isotonic solution will swell. 
B)  A blood cell placed in a hypotonic solution will swell. 
C)  A blood cell placed in a hypotonic solution will shrink. 
D)  A blood cell placed in an isotonic solution will shrink. 
E)  A cell placed in a hypotonic solution will remain the same size.

Question 11

Which of the following statements is INCORRECT?

Accepted Answer

A)  There are differences in the quality of energy. 
B)  Once energy is utilized, it is not seen in any other form. 
C)  Whenever energy conversion occurs, some energy is lost. 
D)  One form of energy can be converted to other forms of energy. 
E)  The universe has a definite amount of energy. 
A)  There are differences in the quality of energy. 
B)  Once energy is utilized, it is not seen in any other form. 
C)  Whenever energy conversion occurs, some energy is lost. 
D)  One form of energy can be converted to other forms of energy. 
E)  The universe has a definite amount of energy.

Question 12

Answer the questions by matching each word or groups of words with the appropriate definition.
a.reactant
b.product
c.ATP
d.activation energy
e.reaction
f.phosphorylation
-process by which atoms from different molecules are recombined to form new molecules

Accepted Answer

The answer of Answer the questions by matching each word...

Question 13

Answer the questions by matching each word or groups of words with the appropriate definition.
a.reactant
b.product
c.ATP
d.activation energy
e.reaction
f.phosphorylation
-phosphate-group transfer

Accepted Answer

The answer of Answer the questions by matching each word...

Question 14

Match the following correctly.
a.simple diffusion
b.exocytosis
c.osmosis
d.active transport
e.phagocytosis
-This process is used by single celled amoeba to ingest and digest bacteria.

Accepted Answer

The answer of Match the following correctly.
a.simple diffusion
b.exocytosis
c.osmosis
d.active transport
e.phagocytosis
-This process...

Question 15

Which of the following statements is NOT correct about osmosis and plant cells?

Accepted Answer

A)  Water tends to diffuse from soil into young plant cells, thus creating an osmotic pressure. 
B)  Turgor pushes against the cell walls from the outside, so it keeps the cells plump. 
C)  If the concentration of solutes becomes higher in the soil than in plant cells, water molecules will tend to diffuse out of plant cells. 
D)  The cytoplasm of plant cells would typically contain more solutes than soil water. 
E)  Osmosis is the diffusion of water molecules across the plasma membrane of plant cells. 
A)  Water tends to diffuse from soil into young plant cells, thus creating an osmotic pressure. 
B)  Turgor pushes against the cell walls from the outside, so it keeps the cells plump. 
C)  If the concentration of solutes becomes higher in the soil than in plant cells, water molecules will tend to diffuse out of plant cells. 
D)  The cytoplasm of plant cells would typically contain more solutes than soil water. 
E)  Osmosis is the diffusion of water molecules across the plasma membrane of plant cells.

Question 16

Answer the questions by matching each word or groups of words with its appropriate question number.
 a.active site
b.adenosine triphosphate 
c.electron transfer chain
d.denaturation
e.feedback inhibition
f.phosphorylation
g.enzyme
h.cofactor
-loss of protein structure by excessive pH,temperature and other factors

Accepted Answer

The answer of Answer the questions by matching each word...

Question 17

What happens to a molecule when it is phosphorylated?

Accepted Answer

A)  it loses energy. 
B)  it receives a phosphate group. 
C)  it becomes denatured. 
D)  it loses electrons and protons. 
E)  more than one of these happen when a molecule is phosphorylated. 
A)  it loses energy. 
B)  it receives a phosphate group. 
C)  it becomes denatured. 
D)  it loses electrons and protons. 
E)  more than one of these happen when a molecule is phosphorylated.

Question 18

A cow converts the energy of glucose into the energy of ATP.What happens to most of the energy in that conversion?

Accepted Answer

A)  it remains with the glucose- it can't be extracted. 
B)  it is lost as heat energy. 
C)  it is within the ATP molecule. 
D)  it is recycled back into glucose. 
E)  more than one of these is possible. 
A)  it remains with the glucose- it can't be extracted. 
B)  it is lost as heat energy. 
C)  it is within the ATP molecule. 
D)  it is recycled back into glucose. 
E)  more than one of these is possible.

Question 19

ATP contains

Accepted Answer

A)  alanine. 
B)  arginine. 
C)  phosphate. 
D)  tyrosine. 
E)  glucose. 
A)  alanine. 
B)  arginine. 
C)  phosphate. 
D)  tyrosine. 
E)  glucose.

Question 20

Which of the following is NOT true regarding coenzymes?

Accepted Answer

A)  they are cofactors. 
B)  ATP is an example of a coenzyme. 
C)  NaCl is an example of a coenzyme. 
D)  They are often modified in chemical reactions. 
E)  They may carry electrons. 
A)  they are cofactors. 
B)  ATP is an example of a coenzyme. 
C)  NaCl is an example of a coenzyme. 
D)  They are often modified in chemical reactions. 
E)  They may carry electrons.

Exam 4: Energy and Metabolism

Which of the following occurs with alcohol induced cirrhosis of the liver?

Match the following correctly. a.simple diffusion b.exocytosis c.osmosis d.active transport e.phagocytosis -The process by which a lysosome expels its contents into the extracellular environment.

Which of the following statements is CORRECT about enzymes?

Wilting of a plant occurs

Osmotic pressure is to a plant cell as ___ is to a ___.

Which of the following is NOT true regarding coenzymes?

Water stops diffusing into a plant cell from the soil when

The fact that the earth does not go up in flames in spite of the richness of oxygen in our environment is related to which of the following concepts?

Active transport pumps typically move solutes from ____ to ____ fluids.

Which of the following statements about blood cells in solutions is CORRECT?

Which of the following statements is INCORRECT?

Answer the questions by matching each word or groups of words with the appropriate definition. a.reactant b.product c.ATP d.activation energy e.reaction f.phosphorylation -process by which atoms from different molecules are recombined to form new molecules

Answer the questions by matching each word or groups of words with the appropriate definition. a.reactant b.product c.ATP d.activation energy e.reaction f.phosphorylation -phosphate-group transfer

Match the following correctly. a.simple diffusion b.exocytosis c.osmosis d.active transport e.phagocytosis -This process is used by single celled amoeba to ingest and digest bacteria.

Which of the following statements is NOT correct about osmosis and plant cells?

What happens to a molecule when it is phosphorylated?

A cow converts the energy of glucose into the energy of ATP.What happens to most of the energy in that conversion?

ATP contains

Which of the following is NOT true regarding coenzymes?

Invitation to Biology

Molecules of Life

Cell Structure

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters

Osmotic pressure is to a plant cell as _ is to a _.

Active transport pumps typically move solutes from to fluids.