Question 1

​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 2

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

Accepted Answer

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

Question 3

In the following pictures of red blood cells emerged in three different solutions, identify which picture corresponds to each of the following solutions.   a. A
b. B
c. C
-isotonic

Accepted Answer

The answer of In the following pictures of red blood...

Question 4

​Most enzymes are composed of ____.

Accepted Answer

A)  ​RNA only 
B)  ​protein only 
C)  ​substrate only 
D)  ​RNA and protein 
E)  ​protein and substrate 
A)  ​RNA only 
B)  ​protein only 
C)  ​substrate only 
D)  ​RNA and protein 
E)  ​protein and substrate

Question 5

​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

Question 6

If a single-celled freshwater organism 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.

Question 7

​Energy is defined as ____.

Accepted Answer

A)  ​the capacity to do work 
B)  ​the movement of atoms and molecules 
C)  ​movement of electrons 
D)  ​measurement of food intake 
E)  ​capacity to store sugar 
A)  ​the capacity to do work 
B)  ​the movement of atoms and molecules 
C)  ​movement of electrons 
D)  ​measurement of food intake 
E)  ​capacity to store sugar

Question 8

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

Accepted Answer

The answer of Answer the questions by matching each word...

Question 9

Answer the questions by matching each word or groups of words with its appropriate question number.
-the currency in a cell's economy
A)active site
B)adenosine triphosphate
C)electron transfer chain
D)denaturation
E)feedback inhibition
F)phosphorylation
G)enzyme
H)cofactor

Accepted Answer

The answer of Answer the questions by matching each word...

Question 10

​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 11

​The minimum amount of energy needed to get a chemical reaction started is called the ____ energy.

Accepted Answer

A)  ​activation 
B)  ​reaction 
C)  ​enzymatic 
D)  ​chemical 
E)  ​triggering 
A)  ​activation 
B)  ​reaction 
C)  ​enzymatic 
D)  ​chemical 
E)  ​triggering

Question 12

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 13

Which of the following is an example of the second law of thermodynamics?

Accepted Answer

A)  conversion of the energy in sunlight into glucose 
B)  the use of gasoline to propel your car 
C)  ATP activation of a proton pump 
D)  a light bulb heats up after use 
E)  a nuclear reactor lights up the city 
A)  conversion of the energy in sunlight into glucose 
B)  the use of gasoline to propel your car 
C)  ATP activation of a proton pump 
D)  a light bulb heats up after use 
E)  a nuclear reactor lights up the city

Question 14

​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 15

​Answer the questions by matching each word or groups of words with the appropriate definition.
-​phosphate-group transfer
A)​reactant
B)​product
C)​ATP
D)​activation energy
E)​reaction
F)​phosphorylation

Accepted Answer

The answer of ​Answer the questions by matching each word...

Exam 4: Energy and Metabolism

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

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

In the following pictures of red blood cells emerged in three different solutions, identify which picture corresponds to each of the following solutions. a. A b. B c. C -isotonic

​Most enzymes are composed of ____.

​Energy flows in which pattern?

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

​Energy is defined as ____.

Answer the questions by matching each word or groups of words with its appropriate question number. -the currency in a cell's economy A)active site B)adenosine triphosphate C)electron transfer chain D)denaturation E)feedback inhibition F)phosphorylation G)enzyme H)cofactor

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

​The minimum amount of energy needed to get a chemical reaction started is called the ____ energy.

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 ____.

Which of the following is an example of the second law of thermodynamics?

​A plant wilts when ____.

​Answer the questions by matching each word or groups of words with the appropriate definition. -​phosphate-group transfer A)​reactant B)​product C)​ATP D)​activation energy E)​reaction F)​phosphorylation

Invitation to Biology

Molecules of Life

Cell Structure

Photosynthesis

Releasing Chemical Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Prokaryotes, Protists, and 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

Animal Reproduction and Development

Plant Form and Function

Life Cycles of Flowering Plants

Filters

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

Most enzymes are composed of ____.

Energy flows in which pattern?

Energy is defined as ____.

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

The minimum amount of energy needed to get a chemical reaction started is called the ____ energy.

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 ____.

A plant wilts when ____.

Answer the questions by matching each word or groups of words with the appropriate definition. -phosphate-group transfer A)reactant B)product C)ATP D)activation energy E)reaction F)phosphorylation