Question 1

Long term, heavy drinking can lead to ____, a disease characterized by inflammation and destruction of the liver.

Accepted Answer

A) hepatoblastoma 
B) gall stones 
C) fatty liver disease 
D) jaundice 
E) hepatitis 
A) hepatoblastoma 
B) gall stones 
C) fatty liver disease 
D) jaundice 
E) hepatitis

Question 2

Calcium ion concentrations are tightly regulated because of the importance of calcium in biological functions. Calcium ion concentrations are ____ inside the cell than out.

Accepted Answer

A) slightly higher 
B) slightly lower 
C) the same 
D) much higher 
E) much lower 
A) slightly higher 
B) slightly lower 
C) the same 
D) much higher 
E) much lower

Question 3

Match between columns
                        Premises: process by which atoms from different molecules are recombined to form new molecules

Accepted Answer

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

Question 4

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 5

​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 6

Once glucose has entered a cell, what prevents it from diffusing back out of the cell?

Accepted Answer

A) Glucose pumps actively transported any leaked glucose back into the cell. 
B) One side of the cell membrane is permeable to glucose, but the other side is not. 
C) Glucose inhibitors attach to glucose once it's in the cell. 
D) Glucose is phosphorylated, preventing it from leaving the cell. 
E) Glucose is hydrolyzed into two three-carbon molecules that cannot diffuse in a reverse direction. 
A) Glucose pumps actively transported any leaked glucose back into the cell. 
B) One side of the cell membrane is permeable to glucose, but the other side is not. 
C) Glucose inhibitors attach to glucose once it's in the cell. 
D) Glucose is phosphorylated, preventing it from leaving the cell. 
E) Glucose is hydrolyzed into two three-carbon molecules that cannot diffuse in a reverse direction.

Question 7

Match between columns
                        Premises: Isotonic

Accepted Answer

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

Question 8

Pepsin is an enzyme that functions in the stomach. Its optimum pH would be ____.

Accepted Answer

A) between 1 and 2 
B) between 3 and 4 
C) above 6 
D) between 5 and 7.5 
E) above 8.5 
A) between 1 and 2 
B) between 3 and 4 
C) above 6 
D) between 5 and 7.5 
E) above 8.5

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

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 11

Heating up a reaction increases the speed of a reaction until the ____.

Accepted Answer

A) enzyme denatures 
B) heat changes the pH of the reaction 
C) maximum speed is achieved 
D) cofactors can't bind the enzyme 
E) reaction begins to experience feedback inhibition 
A) enzyme denatures 
B) heat changes the pH of the reaction 
C) maximum speed is achieved 
D) cofactors can't bind the enzyme 
E) reaction begins to experience feedback inhibition

Question 12

Match between columns
                        Premises: loss of protein structure by excessive pH, temperature and other factors

Accepted Answer

The Answer of phosphorylation and active site and adenosine triphosphate is...

Question 13

Match between columns
                        Premises: minimum amount of energy required to start a reaction

Accepted Answer

The Answer of phosphorylation and reaction and reactant and activation is...

Question 14

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 15

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 16

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 17

A substrate is another term for a(n)____.

Accepted Answer

A) enzyme 
B) product 
C) reactant 
D) active site 
E) cofactors 
A) enzyme 
B) product 
C) reactant 
D) active site 
E) cofactors

Question 18

Diffusion of water from a hypertonic solution to a hypotonic solution across a semi-permeable membrane ____.

Accepted Answer

A) will occur until both solutions are isotonic 
B) will occur until both sides are hypotonic 
C) will occur until both sides are hypertonic 
D) will occur until the tonicities are reversed 
E) will not occur 
A) will occur until both solutions are isotonic 
B) will occur until both sides are hypotonic 
C) will occur until both sides are hypertonic 
D) will occur until the tonicities are reversed 
E) will not occur

Question 19

To engulf a bacterium, a white blood cell would use ____.

Accepted Answer

A) facilitated diffusion 
B) osmosis 
C) phagocytosis 
D) exocytosis 
E) sodium-potassium pumps 
A) facilitated diffusion 
B) osmosis 
C) phagocytosis 
D) exocytosis 
E) sodium-potassium pumps

Question 20

The second law of thermodynamics states that ____.

Accepted Answer

A) the energy of the universe is a constant 
B) energy can be neither created nor destroyed 
C) energy disperses spontaneously 
D) energy transformations create a more orderly universe 
E) energy and matter are the same thing 
A) the energy of the universe is a constant 
B) energy can be neither created nor destroyed 
C) energy disperses spontaneously 
D) energy transformations create a more orderly universe 
E) energy and matter are the same thing

Exam 4: Energy and Metabolism

Long term, heavy drinking can lead to ____, a disease characterized by inflammation and destruction of the liver.

Calcium ion concentrations are tightly regulated because of the importance of calcium in biological functions. Calcium ion concentrations are ____ inside the cell than out.

What is the most likely source of various hangover symptoms?

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

Once glucose has entered a cell, what prevents it from diffusing back out of the cell?

Pepsin is an enzyme that functions in the stomach. Its optimum pH would be ____.

What happens in an electron transport chain?

ATP contains ____.

Heating up a reaction increases the speed of a reaction until the ____.

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

Cells store energy in the form of ____.

Passive molecular diffusion occurs when ____.

A substrate is another term for a(n)____.

Diffusion of water from a hypertonic solution to a hypotonic solution across a semi-permeable membrane ____.

To engulf a bacterium, a white blood cell would use ____.

The second law of thermodynamics states that ____.

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

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

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