Question 1

Energy flows in which pattern?

Accepted Answer

A) Sun → environment → consumers → producers 
B) Sun → environment → producers → consumers 
C) Sun → consumers → producers → environment 
D) Sun →producers → consumers → environment 
E) Sun→ producers → environment → consumers 
A) Sun → environment → consumers → producers 
B) Sun → environment → producers → consumers 
C) Sun → consumers → producers → environment 
D) Sun →producers → consumers → environment 
E) Sun→ producers → environment → consumers D

Question 2

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 D

Question 3

Movement of substances that requires the expenditure of ATP molecules is called ____.

Accepted Answer

A) facilitated diffusion 
B) simple diffusion 
C) osmosis 
D) active transport 
E) bulk flow 
A) facilitated diffusion 
B) simple diffusion 
C) osmosis 
D) active transport 
E) bulk flow D

Question 4

Which human organ is responsible for breaking down ethanol and other toxins?

Accepted Answer

A) stomach 
B) liver 
C) small intestine 
D) pancreas 
E) spleen 
A) stomach 
B) liver 
C) small intestine 
D) pancreas 
E) spleen

Question 5

In a chemical reaction,if the reactants have more energy than the products,____.

Accepted Answer

A) there will be a net release of energy 
B) there will be a net loss of energy 
C) the activation energy will be very high 
D) the activation energy will be very low 
E) more bonds were made than were broken 
A) there will be a net release of energy 
B) there will be a net loss of energy 
C) the activation energy will be very high 
D) the activation energy will be very low 
E) more bonds were made than were broken

Question 6

Enzymes speed up a chemical reaction by ____.

Accepted Answer

A) lowering the activation energy 
B) lowering the optimal pH 
C) increasing the reaction temperature 
D) increasing the energy in the system 
E) increasing the activation energy 
A) lowering the activation energy 
B) lowering the optimal pH 
C) increasing the reaction temperature 
D) increasing the energy in the system 
E) increasing the activation energy

Question 7

The graph above shows the temperature profile for T.aquaticus polymerase,an enzyme used by a species of bacteria that lives in hot springs.What does the boxed region indicate?

Accepted Answer

A) The enzyme activity increases as substrates increase their kinetic energy. 
B) The enzyme activity decreases as substrates increase their kinetic energy. 
C) The enzyme activity increases as the enzyme denatures. 
D) The enzyme activity decreases as the enzyme denatures. 
E) The enzyme activity decreases as the enzyme refolds. 
A) The enzyme activity increases as substrates increase their kinetic energy. 
B) The enzyme activity decreases as substrates increase their kinetic energy. 
C) The enzyme activity increases as the enzyme denatures. 
D) The enzyme activity decreases as the enzyme denatures. 
E) The enzyme activity decreases as the enzyme refolds.

Question 8

In the figure above,the amount of energy symbolized by the line "A" would be the ____.

Accepted Answer

A) reactant energy 
B) product energy 
C) cofactor energy 
D) activation energy 
E) intermediate energy 
A) reactant energy 
B) product energy 
C) cofactor energy 
D) activation energy 
E) intermediate energy

Question 9

Active transport pumps typically move solutes from areas of ____ concentration to areas of ____ concentration.

Accepted Answer

A) high; low 
B) low; high 
C) neutral; high 
D) neutral; low 
E) low; neutral 
A) high; low 
B) low; high 
C) neutral; high 
D) neutral; low 
E) low; neutral

Question 10

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 thermodynamics 
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 thermodynamics 
D) the second law of thermodynamics 
E) the abundance of water in our atmosphere which inhibits combustion

Question 11

Based on the graph above for the pH profile for GlyFa1,an enzyme used by a species of bacteria that lives in California copper mines,what is the optimal pH for GlyFa1 activity?

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 4 
E) 6 
A) 0 
B) 1 
C) 2 
D) 4 
E) 6

Question 12

Cells store energy in the form of ____.

Accepted Answer

A) sunlight 
B) chloroplasts 
C) carbon dioxide 
D) glucose 
E) water 
A) sunlight 
B) chloroplasts 
C) carbon dioxide 
D) glucose 
E) water

Question 13

Match the following questions about cell membrane permeability correctly.
-The process by which a lysosome expels its contents into the extracellular environment.

Accepted Answer

A) simple diffusion 
B) exocytosis 
C) osmosis 
D) active transport 
E) phagocytosis 
A) simple diffusion 
B) exocytosis 
C) osmosis 
D) active transport 
E) phagocytosis

Question 14

Answer the questions by matching each word or groups of words with its appropriate question number.
-an excess of end-product molecules shuts down a metabolic pathway

Accepted Answer

A) active site 
B) adenosine triphosphate 
C) electron transfer chain 
D) denaturation 
E) feedback inhibition
F)phosphorylation
G)enzyme
H)cofactor 
A) active site 
B) adenosine triphosphate 
C) electron transfer chain 
D) denaturation 
E) feedback inhibition
F)phosphorylation
G)enzyme
H)cofactor

Question 15

The net direction that an ion or molecule moves is ____.

Accepted Answer

A) dependent upon the size of the molecule 
B) unpredictable because the movement is random 
C) the result of concentration differences 
D) controlled by the temperature of the medium 
E) controlled by the membranes in the vicinity 
A) dependent upon the size of the molecule 
B) unpredictable because the movement is random 
C) the result of concentration differences 
D) controlled by the temperature of the medium 
E) controlled by the membranes in the vicinity

Question 16

In the pictures below of red blood cells emerged in three different solutions, identify which picture corresponds to each of the following solutions.  
-Isotonic

Accepted Answer

A) A 
B) B 
C) C 
A) A 
B) B 
C) C

Question 17

Answer the questions by matching each word or groups of words with its appropriate question number.
-the currency in a cell's economy

Accepted Answer

A) active site 
B) adenosine triphosphate 
C) electron transfer chain 
D) denaturation 
E) feedback inhibition
F)phosphorylation
G)enzyme
H)cofactor 
A) active site 
B) adenosine triphosphate 
C) electron transfer chain 
D) denaturation 
E) feedback inhibition
F)phosphorylation
G)enzyme
H)cofactor

Question 18

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 19

In the pictures below of red blood cells emerged in three different solutions, identify which picture corresponds to each of the following solutions.  
-Hypotonic

Accepted Answer

A) A 
B) B 
C) C 
A) A 
B) B 
C) C

Question 20

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

Energy flows in which pattern?

Wilting of a plant occurs ____.

Movement of substances that requires the expenditure of ATP molecules is called ____.

Which human organ is responsible for breaking down ethanol and other toxins?

In a chemical reaction,if the reactants have more energy than the products,____.

Enzymes speed up a chemical reaction by ____.

The graph above shows the temperature profile for T.aquaticus polymerase,an enzyme used by a species of bacteria that lives in hot springs.What does the boxed region indicate?

In the figure above,the amount of energy symbolized by the line "A" would be the ____.

Active transport pumps typically move solutes from areas of concentration to areas of concentration.

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?

Based on the graph above for the pH profile for GlyFa1,an enzyme used by a species of bacteria that lives in California copper mines,what is the optimal pH for GlyFa1 activity?

Cells store energy in the form of ____.

Match the following questions about cell membrane permeability correctly. -The process by which a lysosome expels its contents into the extracellular environment.

Answer the questions by matching each word or groups of words with its appropriate question number. -an excess of end-product molecules shuts down a metabolic pathway

The net direction that an ion or molecule moves is ____.

In the pictures below of red blood cells emerged in three different solutions, identify which picture corresponds to each of the following solutions. -Isotonic

Answer the questions by matching each word or groups of words with its appropriate question number. -the currency in a cell's economy

Osmosis is an example of ____.

In the pictures below of red blood cells emerged in three different solutions, identify which picture corresponds to each of the following solutions. -Hypotonic

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

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

Filters

Exam 4: Energy And Metabolism

Energy flows in which pattern?

Wilting of a plant occurs ____.

Movement of substances that requires the expenditure of ATP molecules is called ____.

Which human organ is responsible for breaking down ethanol and other toxins?

In a chemical reaction,if the reactants have more energy than the products,____.

Enzymes speed up a chemical reaction by ____.

The graph above shows the temperature profile for T.aquaticus polymerase,an enzyme used by a species of bacteria that lives in hot springs.What does the boxed region indicate?

In the figure above,the amount of energy symbolized by the line "A" would be the ____.

Active transport pumps typically move solutes from areas of ____ concentration to areas of ____ concentration.

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?

Based on the graph above for the pH profile for GlyFa1,an enzyme used by a species of bacteria that lives in California copper mines,what is the optimal pH for GlyFa1 activity?

Cells store energy in the form of ____.

Match the following questions about cell membrane permeability correctly. -The process by which a lysosome expels its contents into the extracellular environment.

Answer the questions by matching each word or groups of words with its appropriate question number. -an excess of end-product molecules shuts down a metabolic pathway

The net direction that an ion or molecule moves is ____.

In the pictures below of red blood cells emerged in three different solutions, identify which picture corresponds to each of the following solutions. -Isotonic

Answer the questions by matching each word or groups of words with its appropriate question number. -the currency in a cell's economy

Osmosis is an example of ____.

In the pictures below of red blood cells emerged in three different solutions, identify which picture corresponds to each of the following solutions. -Hypotonic

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

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

Filters

Active transport pumps typically move solutes from areas of concentration to areas of concentration.