Question 1

Answer the questions by matching each word or groups of words with the appropriate definition.
-molecule remaining at the end of a reaction

Accepted Answer

A) reactant 
B) product 
C) ATP 
D) activation energy 
E) reaction
F)Phosphorylation 
A) reactant 
B) product 
C) ATP 
D) activation energy 
E) reaction
F)Phosphorylation

Question 2

Answer the questions by matching each word or groups of words with the appropriate definition.
-process by which atoms from different molecules are recombined to form new molecules

Accepted Answer

A) reactant 
B) product 
C) ATP 
D) activation energy 
E) reaction
F)Phosphorylation 
A) reactant 
B) product 
C) ATP 
D) activation energy 
E) reaction
F)Phosphorylation

Question 3

The process by which a cell takes in a small amount of extracellular fluid and its contents by the ballooning inward of the plasma membrane is the definition of ____.

Accepted Answer

A) endocytosis 
B) exocytosis 
C) phagocytosis 
D) passive transport 
E) osmosis 
A) endocytosis 
B) exocytosis 
C) phagocytosis 
D) passive transport 
E) osmosis

Question 4

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 5

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 6

Glucose is transported into a cell by ____.

Accepted Answer

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

Question 7

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 8

If the activation energy for a chemical reaction is very high,the ____.

Accepted Answer

A) reaction will have an overall net gain of energy 
B) reaction will have an overall net loss of energy 
C) reaction will progress slowly 
D) reaction will progress quickly 
E) reactants have a lower energy than the products 
A) reaction will have an overall net gain of energy 
B) reaction will have an overall net loss of energy 
C) reaction will progress slowly 
D) reaction will progress quickly 
E) reactants have a lower energy than the products

Question 9

What happens in an electron transport chain?

Accepted Answer

A) Electrons move from a low energy level to a higher energy level. 
B) Electron movement transfers energy to enzymes and other molecules. 
C) Electron movement generates energy during each step. 
D) Energy from the electrons is stored for future use in pigments. 
E) The energy from the electron movement is used to break down ATP. 
A) Electrons move from a low energy level to a higher energy level. 
B) Electron movement transfers energy to enzymes and other molecules. 
C) Electron movement generates energy during each step. 
D) Energy from the electrons is stored for future use in pigments. 
E) The energy from the electron movement is used to break down ATP.

Question 10

What is the most likely source of various hangover symptoms?

Accepted Answer

A) acetate 
B) acetaldehyde 
C) ethanol 
D) alcohol dehydrogenase 
E) carbon dioxide 
A) acetate 
B) acetaldehyde 
C) ethanol 
D) alcohol dehydrogenase 
E) carbon dioxide

Question 11

A plant wilts when ____.

Accepted Answer

A) the soil water becomes hypotonic with respect to the cytoplasm 
B) the soil water becomes hypertonic with respect to the cytoplasm 
C) the turgor inside the cell increases 
D) the turgor in the soil disappears 
E) osmotic pressure is equal to the turgor pressure 
A) the soil water becomes hypotonic with respect to the cytoplasm 
B) the soil water becomes hypertonic with respect to the cytoplasm 
C) the turgor inside the cell increases 
D) the turgor in the soil disappears 
E) osmotic pressure is equal to the turgor pressure

Question 12

The energy that fuels most life on earth comes from ____.

Accepted Answer

A) the sun 
B) heat 
C) sucrose 
D) water 
E) glucose 
A) the sun 
B) heat 
C) sucrose 
D) water 
E) glucose

Question 13

Order the steps of exocytosis:
1)the vesicle membrane fuses with the plasma membrane.
2)the vesicle moves to the plasma membrane.
3)the vesicles contents are released to the extracellular fluid.

Accepted Answer

A) 1→2→3 
B) 1→3→2 
C) 2→1→3 
D) 2→3→1 
E) 3→1→2 
A) 1→2→3 
B) 1→3→2 
C) 2→1→3 
D) 2→3→1 
E) 3→1→2

Question 14

A metabolic reaction will most likely reverse itself when the ____.

Accepted Answer

A) pH is too high 
B) temperature is too low 
C) reactant concentration is too high 
D) product concentration is too high 
E) enzyme concentration is too high 
A) pH is too high 
B) temperature is too low 
C) reactant concentration is too high 
D) product concentration is too high 
E) enzyme concentration is too high

Question 15

A solute passively diffuses through a transport protein out of the cell,therefore,____.

Accepted Answer

A) the concentration of the solute is higher inside the cell than outside it 
B) the concentration of the solute is lower inside the cell than outside it 
C) the concentration of the solute is the same inside and outside the cell 
D) the concentration of water is higher inside the cell than outside it 
E) the concentration of water is lower inside the cell than outside it 
A) the concentration of the solute is higher inside the cell than outside it 
B) the concentration of the solute is lower inside the cell than outside it 
C) the concentration of the solute is the same inside and outside the cell 
D) the concentration of water is higher inside the cell than outside it 
E) the concentration of water is lower inside the cell than outside it

Question 16

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 17

Passive molecular diffusion occurs when ____.

Accepted Answer

A) the energy of ATP is added 
B) random collisions between molecules occurs 
C) there are variations in molecular sizes 
D) enzymes catalyze their movement 
E) vesicles break off from the membrane 
A) the energy of ATP is added 
B) random collisions between molecules occurs 
C) there are variations in molecular sizes 
D) enzymes catalyze their movement 
E) vesicles break off from the membrane

Question 18

NAD+ is considered a(n)____.

Accepted Answer

A) enzyme 
B) coenzyme 
C) regulatory molecule 
D) active site 
E) intermediate 
A) enzyme 
B) coenzyme 
C) regulatory molecule 
D) active site 
E) intermediate

Question 19

Why doesn't the gasoline in your car spontaneously ignite into flames? (The reaction of gasoline with oxygen is called a combustion reaction,and is the reaction that is used to power your car).

Accepted Answer

A) The products of a combustion reaction have more energy than the reactants. 
B) The gasoline in your car is in an air-tight container, so it cannot react with the oxygen from the air. 
C) The amount of energy in the bonds of the products exceeds the amount of energy in the bonds of the reactants. 
D) The reactants of the combustion of gasoline have less energy and the products. 
E) The gasoline in your car alone cannot overcome the activation energy. 
A) The products of a combustion reaction have more energy than the reactants. 
B) The gasoline in your car is in an air-tight container, so it cannot react with the oxygen from the air. 
C) The amount of energy in the bonds of the products exceeds the amount of energy in the bonds of the reactants. 
D) The reactants of the combustion of gasoline have less energy and the products. 
E) The gasoline in your car alone cannot overcome the activation energy.

Question 20

Answer the questions by matching each word or groups of words with its appropriate question number.
-lowers the activation energy of a reaction

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

Answer the questions by matching each word or groups of words with the appropriate definition. -molecule remaining at the end of a reaction

Answer the questions by matching each word or groups of words with the appropriate definition. -process by which atoms from different molecules are recombined to form new molecules

The process by which a cell takes in a small amount of extracellular fluid and its contents by the ballooning inward of the plasma membrane is the definition of ____.

ATP contains ____.

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

Glucose is transported into a cell by ____.

What reaction does the enzyme alcohol dehydrogenase catalyze?

If the activation energy for a chemical reaction is very high,the ____.

What happens in an electron transport chain?

What is the most likely source of various hangover symptoms?

A plant wilts when ____.

The energy that fuels most life on earth comes from ____.

Order the steps of exocytosis: 1)the vesicle membrane fuses with the plasma membrane. 2)the vesicle moves to the plasma membrane. 3)the vesicles contents are released to the extracellular fluid.

A metabolic reaction will most likely reverse itself when the ____.

A solute passively diffuses through a transport protein out of the cell,therefore,____.

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

Passive molecular diffusion occurs when ____.

NAD+ is considered a(n)____.

Why doesn't the gasoline in your car spontaneously ignite into flames? (The reaction of gasoline with oxygen is called a combustion reaction,and is the reaction that is used to power your car).

Answer the questions by matching each word or groups of words with its appropriate question number. -lowers the activation energy of a reaction

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

Answer the questions by matching each word or groups of words with the appropriate definition. -molecule remaining at the end of a reaction

Answer the questions by matching each word or groups of words with the appropriate definition. -process by which atoms from different molecules are recombined to form new molecules

The process by which a cell takes in a small amount of extracellular fluid and its contents by the ballooning inward of the plasma membrane is the definition of ____.

ATP contains ____.

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

Glucose is transported into a cell by ____.

What reaction does the enzyme alcohol dehydrogenase catalyze?

If the activation energy for a chemical reaction is very high,the ____.

What happens in an electron transport chain?

What is the most likely source of various hangover symptoms?

A plant wilts when ____.

The energy that fuels most life on earth comes from ____.

Order the steps of exocytosis: 1)the vesicle membrane fuses with the plasma membrane. 2)the vesicle moves to the plasma membrane. 3)the vesicles contents are released to the extracellular fluid.

A metabolic reaction will most likely reverse itself when the ____.

A solute passively diffuses through a transport protein out of the cell,therefore,____.

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

Passive molecular diffusion occurs when ____.

NAD+ is considered a(n)____.

Why doesn't the gasoline in your car spontaneously ignite into flames? (The reaction of gasoline with oxygen is called a combustion reaction,and is the reaction that is used to power your car).

Answer the questions by matching each word or groups of words with its appropriate question number. -lowers the activation energy of a reaction

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

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