Question 1

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) It is utilized in other metabolic pathways. 
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) It is utilized in other metabolic pathways.

Question 2

Energy ____.

Accepted Answer

A) can be created, but not destroyed 
B) cannot be created, but can be destroyed 
C) can be created and destroyed 
D) cannot be created or destroyed 
E) can be created using a particle accelerator 
A) can be created, but not destroyed 
B) cannot be created, but can be destroyed 
C) can be created and destroyed 
D) cannot be created or destroyed 
E) can be created using a particle accelerator

Question 3

Osmosis is an example of ____.

Accepted Answer

A) facilitated diffusion 
B) passive transport 
C) active transport 
D) exocytosis 
E) endocytosis 
A) facilitated diffusion 
B) passive transport 
C) active transport 
D) exocytosis 
E) endocytosis

Question 4

Oxygen, carbon dioxide, and other small molecules cross the plasma membrane through the process of ____.

Accepted Answer

A) diffusion 
B) osmosis 
C) endocytosis and exocytosis 
D) active transport 
E) facilitated diffusion 
A) diffusion 
B) osmosis 
C) endocytosis and exocytosis 
D) active transport 
E) facilitated diffusion

Question 5

Match between columns
                        Premises: the main energy carrier between reaction sites in cells

Accepted Answer

The Answer of ATP and reaction and product and activation is...

Question 6

Which of the following is an example of an energy-requiring reaction?

Accepted Answer

A) The combustion of the gas in your car to move it forward. 
B) The burning of a log to generate heat. 
C) The synthesis of carbon dioxide into glucose. 
D) The oxidation of metal to form rust. 
E) The metabolism of glucose to form ATP. 
A) The combustion of the gas in your car to move it forward. 
B) The burning of a log to generate heat. 
C) The synthesis of carbon dioxide into glucose. 
D) The oxidation of metal to form rust. 
E) The metabolism of glucose to form ATP.

Question 7

Match between columns
                        Premises: This process is used by single celled amoeba to ingest and digest bacteria.

Accepted Answer

The Answer of exocytosis and active transport and simple diffusion is...

Question 8

The amount of turgor that is enough to stop osmosis is called ____.

Accepted Answer

A) the wilting point 
B) osmotic pressure 
C) hypotonicity 
D) expansion pressure 
E) hypertonicity 
A) the wilting point 
B) osmotic pressure 
C) hypotonicity 
D) expansion pressure 
E) hypertonicity

Question 9

When a phosphate group is transferred from ATP, active transport pumps ____.

Accepted Answer

A) trigger exocytosis 
B) change their shapes 
C) become ionized 
D) fuse with the surrounding phospholipid membrane 
E) are destroyed 
A) trigger exocytosis 
B) change their shapes 
C) become ionized 
D) fuse with the surrounding phospholipid membrane 
E) are destroyed

Question 10

A cirrhotic liver can no longer produce ____, which leads to swelling in the legs and abdomen.
Haptoglobin

Accepted Answer

A) alphafetoprotein 
B) alcohol dehydrogenase 
C) haptoglobin 
D) fibronectin 
E) albumin 
A) alphafetoprotein 
B) alcohol dehydrogenase 
C) haptoglobin 
D) fibronectin 
E) albumin

Question 11

Match between columns
                        Premises: Hypotonic

Accepted Answer

The Answer of A and C and B is...

Question 12

How do sodium-potassium pumps work?

Accepted Answer

A) Sodium is pumped into the cell and potassium diffuses out. 
B) Sodium is pumped out of the cell and potassium diffuses in. 
C) Sodium and potassium are both pumped into the cell simultaneously. 
D) Sodium and potassium are both pumped out of the cell simultaneously. 
E) Sodium only binds to the pump to make it receptive to potassium which then is pumped into the cell. 
A) Sodium is pumped into the cell and potassium diffuses out. 
B) Sodium is pumped out of the cell and potassium diffuses in. 
C) Sodium and potassium are both pumped into the cell simultaneously. 
D) Sodium and potassium are both pumped out of the cell simultaneously. 
E) Sodium only binds to the pump to make it receptive to potassium which then is pumped into the cell.

Question 13

Substances that enter a reaction are termed ____.

Accepted Answer

A) intermediates 
B) enzymes 
C) energy carriers 
D) reactants 
E) end products 
A) intermediates 
B) enzymes 
C) energy carriers 
D) reactants 
E) end products

Question 14

Match between columns
                        Premises: molecule remaining at the end of a reaction

Accepted Answer

The Answer of ATP and phosphorylation and activation energy and is...

Question 15

Match between columns
                        Premises: Hypertonic

Accepted Answer

The Answer of A and C and B is...

Question 16

When ethanol (C2H5OH)and oxygen (O2)react together, they form carbon dioxide (CO2)and water (H2O). The resulting chemical reaction is:
C2H5OH + 3O2 --> 2CO2 + 3H2O
The coefficient in front of H2O indicates there are ____.

Accepted Answer

A) three oxygen atoms in the reaction 
B) three carbon atoms in the water 
C) three water molecules in the reaction 
D) six water molecules in the reaction 
E) six oxygen atoms in the reaction 
A) three oxygen atoms in the reaction 
B) three carbon atoms in the water 
C) three water molecules in the reaction 
D) six water molecules in the reaction 
E) six oxygen atoms in the reaction

Question 17

What reaction does the enzyme alcohol dehydrogenase catalyze?

Accepted Answer

A) ethanol to acetate 
B) ethanol to acetaldehyde 
C) acetate to acetaldehyde 
D) acetaldehyde to ethanol 
E) acetaldehyde to acetate 
A) ethanol to acetate 
B) ethanol to acetaldehyde 
C) acetate to acetaldehyde 
D) acetaldehyde to ethanol 
E) acetaldehyde to acetate

Question 18

Match between columns
                        Premises: an excess of end-product molecules shuts down a metabolic pathway

Accepted Answer

The Answer of phosphorylation and feedback inhibition and electron transfer is...

Question 19

Consider the ADH reaction below, and answer the following question. ADH stands for alcohol dehydrogenase.
 
In this reaction, ADH represents the ____.

Accepted Answer

A) enzyme 
B) reactant 
C) product 
D) activation energy 
E) trigger 
A) enzyme 
B) reactant 
C) product 
D) activation energy 
E) trigger

Question 20

If a single-celled freshwater organism such as a protistan is transferred to saltwater, which of the following is likely to happen?

Accepted Answer

A) The cell will burst. 
B) The cell will shrink. 
C) Salt will be pumped out of the cell. 
D) Salt will be pumped into the cell. 
E) Enzymes will flow out of the cell. 
A) The cell will burst. 
B) The cell will shrink. 
C) Salt will be pumped out of the cell. 
D) Salt will be pumped into the cell. 
E) Enzymes will flow out of the cell.

Exam 4: Energy and Metabolism

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

Energy ____.

Osmosis is an example of ____.

Oxygen, carbon dioxide, and other small molecules cross the plasma membrane through the process of ____.

Which of the following is an example of an energy-requiring reaction?

The amount of turgor that is enough to stop osmosis is called ____.

When a phosphate group is transferred from ATP, active transport pumps ____.

A cirrhotic liver can no longer produce ____, which leads to swelling in the legs and abdomen. Haptoglobin

How do sodium-potassium pumps work?

Substances that enter a reaction are termed ____.

When ethanol (C2H5OH)and oxygen (O2)react together, they form carbon dioxide (CO2)and water (H2O). The resulting chemical reaction is: C2H5OH + 3O2 --> 2CO2 + 3H2O The coefficient in front of H2O indicates there are ____.

What reaction does the enzyme alcohol dehydrogenase catalyze?

Consider the ADH reaction below, and answer the following question. ADH stands for alcohol dehydrogenase. In this reaction, ADH represents the ____.

If a single-celled freshwater organism such as a protistan is transferred to saltwater, which of the following is likely to happen?

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When ethanol (C₂H₅OH)and oxygen (O₂)react together, they form carbon dioxide (CO₂)and water (H₂O). The resulting chemical reaction is: C₂H₅OH + 3O₂ --> 2CO₂ + 3H₂O The coefficient in front of H₂O indicates there are ____.