Question 1

A balloon permeable to water but not to glucose contains a 10% glucose solution.A beaker contains a 5% glucose solution.Which of the following is true?

Accepted Answer

A)  The solution in the beaker is hypertonic relative to the solution in the balloon. 
B)  The solution in the balloon is isotonic; the solution in the beaker is hypertonic. 
C)  When placed in the beaker, the balloon will lose water by osmosis. 
D)  The solution in the balloon is hypertonic relative to the solution in the beaker. 
A)  The solution in the beaker is hypertonic relative to the solution in the balloon. 
B)  The solution in the balloon is isotonic; the solution in the beaker is hypertonic. 
C)  When placed in the beaker, the balloon will lose water by osmosis. 
D)  The solution in the balloon is hypertonic relative to the solution in the beaker. D

Question 2

When a person cries,tears are exported from cells through the process of

Accepted Answer

A)  facilitated diffusion. 
B)  active transport. 
C)  endocytosis. 
D)  exocytosis. 
A)  facilitated diffusion. 
B)  active transport. 
C)  endocytosis. 
D)  exocytosis. C

Question 3

Ten kilocalories are equivalent to ______ calories.

Accepted Answer

A)  1,000 
B)  10,000 
C)  0.1 
D)  100 
A)  1,000 
B)  10,000 
C)  0.1 
D)  100 B

Question 4

If placed in tap water,an animal cell will undergo lysis,whereas a plant cell will not.What accounts for this difference?

Accepted Answer

A)  expulsion of water by the plant cell's central vacuole 
B)  the relative impermeability of the plant cell membrane to water 
C)  the relative impermeability of the plant cell wall to water 
D)  the relative inelasticity and strength of the plant cell wall 
A)  expulsion of water by the plant cell's central vacuole 
B)  the relative impermeability of the plant cell membrane to water 
C)  the relative impermeability of the plant cell wall to water 
D)  the relative inelasticity and strength of the plant cell wall

Question 5

When two solutions that differ in solute concentration are placed on either side of a selectively permeable membrane,and osmosis is allowed to take place,the water will ______.

Accepted Answer

A)  exhibit a net movement to the side with lower water concentration 
B)  exhibit a net movement to the side with higher water concentration 
C)  exhibit a net movement to the side with lower solute concentration 
D)  exhibit an equal movement in both directions across the membrane 
A)  exhibit a net movement to the side with lower water concentration 
B)  exhibit a net movement to the side with higher water concentration 
C)  exhibit a net movement to the side with lower solute concentration 
D)  exhibit an equal movement in both directions across the membrane

Question 6

Which of the following is a measure of randomness in a system?

Accepted Answer

A)  entropy 
B)  kinetic energy 
C)  potential energy 
D)  chemical energy 
A)  entropy 
B)  kinetic energy 
C)  potential energy 
D)  chemical energy

Question 7

You are riding on your bike and stop pedaling,coasting along the road.Eventually,your bike slows down and stops.What happened to the energy of your motion when your bike stopped?

Accepted Answer

A)  It was returned to the bicycle. 
B)  It was converted back to chemical energy. 
C)  It was released as heat. 
D)  It was used to chemically break down the tires. 
A)  It was returned to the bicycle. 
B)  It was converted back to chemical energy. 
C)  It was released as heat. 
D)  It was used to chemically break down the tires.

Question 8

An enzyme's function is dependent on its ______.

Accepted Answer

A)  pH 
B)  temperature 
C)  shape 
D)  size 
A)  pH 
B)  temperature 
C)  shape 
D)  size

Question 9

Diffusion ______.

Accepted Answer

A)  is the result of the potential energy of atoms 
B)  requires an input of cellular energy 
C)  occurs when particles spread from areas where they are less concentrated to areas where they are more concentrated 
D)  proceeds until equilibrium is reached 
A)  is the result of the potential energy of atoms 
B)  requires an input of cellular energy 
C)  occurs when particles spread from areas where they are less concentrated to areas where they are more concentrated 
D)  proceeds until equilibrium is reached

Question 10

You have a 2-kg bottle of liquid water at 0°C.About how many Calories are needed to heat up the water to 100°C?

Accepted Answer

A)  100 Calories 
B)  200 Calories 
C)  2,000 Calories 
D)  10,000 Calories 
A)  100 Calories 
B)  200 Calories 
C)  2,000 Calories 
D)  10,000 Calories

Question 11

What is energy?

Accepted Answer

A)  the capacity to cause movement 
B)  the capacity to cause change 
C)  a measure of calories 
D)  a measure of disorder 
A)  the capacity to cause movement 
B)  the capacity to cause change 
C)  a measure of calories 
D)  a measure of disorder

Question 12

Anything that prevents ATP formation will most likely ______.

Accepted Answer

A)  result in cell death 
B)  force the cell to rely on lipids for energy 
C)  force the cell to rely on ADP for energy 
D)  have no effect on the cell 
A)  result in cell death 
B)  force the cell to rely on lipids for energy 
C)  force the cell to rely on ADP for energy 
D)  have no effect on the cell

Question 13

The figure below shows that ______.

Accepted Answer

A)  ADP can perform cellular work when it binds to an additional phosphate group 
B)  ATP can perform cellular work when it releases a phosphate group 
C)  ATP can be converted to ADP by adding a phosphate group 
D)  energy is released from ATP during the process of cellular respiration 
A)  ADP can perform cellular work when it binds to an additional phosphate group 
B)  ATP can perform cellular work when it releases a phosphate group 
C)  ATP can be converted to ADP by adding a phosphate group 
D)  energy is released from ATP during the process of cellular respiration

Question 14

Energy is transferred from ATP to other molecules by transferring a(n)______.

Accepted Answer

A)  adenosine 
B)  heat unit 
C)  photon 
D)  phosphate group 
A)  adenosine 
B)  heat unit 
C)  photon 
D)  phosphate group

Question 15

The principle that energy cannot be created or destroyed is known as ______.

Accepted Answer

A)  interconversion 
B)  conservation of energy 
C)  conservation of heat 
D)  entropy 
A)  interconversion 
B)  conservation of energy 
C)  conservation of heat 
D)  entropy

Question 16

Usually,enzymes are ______.

Accepted Answer

A)  fats 
B)  steroids 
C)  chemical reactions 
D)  proteins 
A)  fats 
B)  steroids 
C)  chemical reactions 
D)  proteins

Question 17

The sum total of all the chemical reactions that occur in organisms is called ______.

Accepted Answer

A)  summation 
B)  cellular synthesis 
C)  replication 
D)  metabolism 
A)  summation 
B)  cellular synthesis 
C)  replication 
D)  metabolism

Question 18

Which one of the following is most similar to the mechanism of an enzyme inhibitor?

Accepted Answer

A)  keeping someone from parking by parking in their designated spot 
B)  driving the wrong way on a one-way street 
C)  forgetting to put a cap back on a pen 
D)  changing the tires on a car 
A)  keeping someone from parking by parking in their designated spot 
B)  driving the wrong way on a one-way street 
C)  forgetting to put a cap back on a pen 
D)  changing the tires on a car

Question 19

Enzymes increase the rate of a reaction by ______.

Accepted Answer

A)  increasing the temperature of the substrates 
B)  contributing electrons to the reaction 
C)  decreasing activation energy 
D)  changing the pH of the substrates 
A)  increasing the temperature of the substrates 
B)  contributing electrons to the reaction 
C)  decreasing activation energy 
D)  changing the pH of the substrates

Question 20

Osmosis can be defined as ______.

Accepted Answer

A)  the diffusion of water 
B)  the diffusion of nonpolar molecules 
C)  active transport 
D)  the diffusion of a solute 
A)  the diffusion of water 
B)  the diffusion of nonpolar molecules 
C)  active transport 
D)  the diffusion of a solute

Exam 5: The Working Cell

A balloon permeable to water but not to glucose contains a 10% glucose solution.A beaker contains a 5% glucose solution.Which of the following is true?

When a person cries,tears are exported from cells through the process of

Ten kilocalories are equivalent to ______ calories.

If placed in tap water,an animal cell will undergo lysis,whereas a plant cell will not.What accounts for this difference?

When two solutions that differ in solute concentration are placed on either side of a selectively permeable membrane,and osmosis is allowed to take place,the water will ______.

Which of the following is a measure of randomness in a system?

You are riding on your bike and stop pedaling,coasting along the road.Eventually,your bike slows down and stops.What happened to the energy of your motion when your bike stopped?

An enzyme's function is dependent on its ______.

Diffusion ______.

You have a 2-kg bottle of liquid water at 0°C.About how many Calories are needed to heat up the water to 100°C?

What is energy?

Anything that prevents ATP formation will most likely ______.

The figure below shows that ______.

Energy is transferred from ATP to other molecules by transferring a(n)______.

The principle that energy cannot be created or destroyed is known as ______.

Usually,enzymes are ______.

The sum total of all the chemical reactions that occur in organisms is called ______.

Which one of the following is most similar to the mechanism of an enzyme inhibitor?

Enzymes increase the rate of a reaction by ______.

Osmosis can be defined as ______.

Introduction- Biology Today

Essential Chemistry for Biology

The Molecules of Life

A Tour of the Cell

Cellular Respiration: Obtaining Energy from Food

Photosynthesis: Using Light to Make Food

Cellular Reproduction: Cells from Cells

Patterns of Inheritance

The Structure and Function of DNA

How Genes Are Controlled

DNA Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

Plants, Fungi, and the Move onto Land

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Body's Defenses

Hormones

Reproduction and Development

Nervous, Sensory, and Locomotor Systems

The Life of a Flowering Plant

The Working Plant

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