Question 1

A triglyceride molecule is made up of ____.​

Accepted Answer

A)  one glycerol and two fatty acids​ 
B)  ​two fatty acids and two glycerols 
C)  ​one fatty acid and three glycerols 
D)  ​one glycerol and three fatty acids 
E)  ​one glycerol and two fatty acids 
A)  one glycerol and two fatty acids​ 
B)  ​two fatty acids and two glycerols 
C)  ​one fatty acid and three glycerols 
D)  ​one glycerol and three fatty acids 
E)  ​one glycerol and two fatty acids

Question 2

Matching
​Match the following terms to the correct description.
-​forms of an element that differ in the number of neutrons their atoms carry
A)​mass number
B)​atomic number
C)​radioisotope
D)​isotopes
E)​ions

Accepted Answer

The answer of Matching
​Match the following terms to the correct...

Question 3

Match the structures with the appropriate label in the given figure.
-​cellulose
A)A
B)B
C)C
D)D
E)E
F)F
G)G

Accepted Answer

The answer of   Match the structures with the...

Question 4

Which organic molecule is a carbohydrate monomer?

Accepted Answer

A)  triglyceride 
B)  fatty acid 
C)  nucleotide 
D)  amino acid 
E)  monosaccharide 
A)  triglyceride 
B)  fatty acid 
C)  nucleotide 
D)  amino acid 
E)  monosaccharide

Question 5

The atomic number is determined by the number of ____.​

Accepted Answer

A)  protons​ 
B)  ​neutrons 
C)  ​electrons 
D)  protons plus neutrons​ 
E)  ​protons plus electrons 
A)  protons​ 
B)  ​neutrons 
C)  ​electrons 
D)  protons plus neutrons​ 
E)  ​protons plus electrons

Question 6

Match the following terms to the correct description.
-solution that contains the same concentration of H+ ions as OH- ions
A)acid
B)base
C)neutral
D)buffer
E)pH

Accepted Answer

Question 7

Helium, neon, and argon are _____.

Accepted Answer

A)  extremely stable because they have vacancies in their outer shells 
B)  extremely stable because they do not have any vacancies in their outer shells 
C)  extremely unstable because they have vacancies in their outer shells 
D)  extremely unstable because they do not have any vacancies in their outer shells 
E)  extremely unstable because they have vacancies in their inner shells 
A)  extremely stable because they have vacancies in their outer shells 
B)  extremely stable because they do not have any vacancies in their outer shells 
C)  extremely unstable because they have vacancies in their outer shells 
D)  extremely unstable because they do not have any vacancies in their outer shells 
E)  extremely unstable because they have vacancies in their inner shells

Question 8

Sweating to keep cool in the summer is the result of ____.

Accepted Answer

A)  hydrogen bonds breaking to release energy 
B)  hydrogen bonds forming, which requires energy 
C)  evaporation of water absorbing energy 
D)  cohesion of water molecules giving off energy 
E)  cohesion of water molecules requiring energy 
A)  hydrogen bonds breaking to release energy 
B)  hydrogen bonds forming, which requires energy 
C)  evaporation of water absorbing energy 
D)  cohesion of water molecules giving off energy 
E)  cohesion of water molecules requiring energy

Question 9

Which type of bonding allows the long, straight chains of cellulose to lock together tightly?​

Accepted Answer

A)  hydrogen​ 
B)  ​polar covalent 
C)  ​ionic 
D)  ​nonpolar covalent 
E)  ​metallic 
A)  hydrogen​ 
B)  ​polar covalent 
C)  ​ionic 
D)  ​nonpolar covalent 
E)  ​metallic

Question 10

Matching
​Match the following terms to the correct description.
-​total number of protons and neutrons in the nucleus of an atom
A)​mass number
B)​atomic number
C)​radioisotope
D)​isotopes
E)​ions

Accepted Answer

The answer of Matching
​Match the following terms to the correct...

Question 11

The chemical reactions that cells use to acquire and use energy to live, grow, and reproduce are called ____.

Accepted Answer

A)  hydrolysis 
B)  condensation 
C)  phosphorylation 
D)  metabolism 
E)  oxidation 
A)  hydrolysis 
B)  condensation 
C)  phosphorylation 
D)  metabolism 
E)  oxidation

Question 12

The following are types of chemical bonds. Match these to the correct description. (The bonds may fit more than one description.)
-​the bond that holds organic molecules together
A)hydrogen
B)ionic
C)covalent

Accepted Answer

The answer of The following are types of chemical bonds....

Question 13

The following are types of chemical bonds. Match these to the correct description. (The bonds may fit more than one description.)
-​the bond that breaks when salts dissolve in water
A)hydrogen
B)ionic
C)covalent

Accepted Answer

The answer of The following are types of chemical bonds....

Question 14

The breakdown of large molecules by enzymes and the addition of water is known as a ____ reaction.​

Accepted Answer

A)  oxidation​ 
B)  ​reduction 
C)  ​condensation 
D)  ​hydrolysis 
E)  ​decarboxylation 
A)  oxidation​ 
B)  ​reduction 
C)  ​condensation 
D)  ​hydrolysis 
E)  ​decarboxylation

Question 15

In a polymer of nucleotides, how does one nucleotide attach to another?​

Accepted Answer

A)  The base of one nucleotide is attached to the base of the next.​ 
B)  ​The base of one nucleotide it attached to the sugar of the next. 
C)  ​The sugar of one nucleotide is attached to the sugar of the next. 
D)  ​The phosphate group of one nucleotide is attached to the base of the next. 
E)  ​The phosphate group of one nucleotide is attached to the sugar of the next. 
A)  The base of one nucleotide is attached to the base of the next.​ 
B)  ​The base of one nucleotide it attached to the sugar of the next. 
C)  ​The sugar of one nucleotide is attached to the sugar of the next. 
D)  ​The phosphate group of one nucleotide is attached to the base of the next. 
E)  ​The phosphate group of one nucleotide is attached to the sugar of the next.

Question 16

The human body requires about ____ of fat each day to stay healthy.

Accepted Answer

A)  one teaspoon 
B)  four teaspoons 
C)  one tablespoon 
D)  four tablespoons 
E)  one cup 
A)  one teaspoon 
B)  four teaspoons 
C)  one tablespoon 
D)  four tablespoons 
E)  one cup

Question 17

We can accurately determine the age of a rock or fossil by measuring its ____.​

Accepted Answer

A)  proton concentration​ 
B)  ​electron concentration 
C)  ​neutron concentration 
D)  ​isotope concentration 
E)  ​ion concentration 
A)  proton concentration​ 
B)  ​electron concentration 
C)  ​neutron concentration 
D)  ​isotope concentration 
E)  ​ion concentration

Question 18

Match the structures with the appropriate label in the given figure.
-​nucleotide
A)A
B)B
C)C
D)D
E)E
F)F
G)G

Accepted Answer

The answer of   Match the structures with the...

Question 19

A protein that is linked to a carbohydrate is known as a ____.​

Accepted Answer

A)  glycoprotein​ 
B)  ​lipoprotein 
C)  ​fibrous proteins 
D)  ​denatured proteins 
E)  ​prions 
A)  glycoprotein​ 
B)  ​lipoprotein 
C)  ​fibrous proteins 
D)  ​denatured proteins 
E)  ​prions

Question 20

Large polymers are formed from smaller subunits by which type of reaction?​

Accepted Answer

A)  oxidation​ 
B)  ​reduction 
C)  ​condensation 
D)  ​hydrolysis 
E)  ​decarboxylation 
A)  oxidation​ 
B)  ​reduction 
C)  ​condensation 
D)  ​hydrolysis 
E)  ​decarboxylation

Exam 2: Molecules of Life

A triglyceride molecule is made up of ____.​

Matching ​Match the following terms to the correct description. -​forms of an element that differ in the number of neutrons their atoms carry A)​mass number B)​atomic number C)​radioisotope D)​isotopes E)​ions

Match the structures with the appropriate label in the given figure. -​cellulose A)A B)B C)C D)D E)E F)F G)G

Which organic molecule is a carbohydrate monomer?

The atomic number is determined by the number of ____.​

Match the following terms to the correct description. -solution that contains the same concentration of H+ ions as OH- ions A)acid B)base C)neutral D)buffer E)pH

Helium, neon, and argon are _____.

Sweating to keep cool in the summer is the result of ____.

Which type of bonding allows the long, straight chains of cellulose to lock together tightly?​

Matching ​Match the following terms to the correct description. -​total number of protons and neutrons in the nucleus of an atom A)​mass number B)​atomic number C)​radioisotope D)​isotopes E)​ions

The chemical reactions that cells use to acquire and use energy to live, grow, and reproduce are called ____.

The following are types of chemical bonds. Match these to the correct description. (The bonds may fit more than one description.) -​the bond that holds organic molecules together A)hydrogen B)ionic C)covalent

The following are types of chemical bonds. Match these to the correct description. (The bonds may fit more than one description.) -​the bond that breaks when salts dissolve in water A)hydrogen B)ionic C)covalent

The breakdown of large molecules by enzymes and the addition of water is known as a ____ reaction.​

In a polymer of nucleotides, how does one nucleotide attach to another?​

The human body requires about ____ of fat each day to stay healthy.

We can accurately determine the age of a rock or fossil by measuring its ____.​

Match the structures with the appropriate label in the given figure. -​nucleotide A)A B)B C)C D)D E)E F)F G)G

A protein that is linked to a carbohydrate is known as a ____.​

Large polymers are formed from smaller subunits by which type of reaction?​

Invitation to Biology

Cell Structure

Energy and Metabolism

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

A triglyceride molecule is made up of ____.

Matching Match the following terms to the correct description. -forms of an element that differ in the number of neutrons their atoms carry A)mass number B)atomic number C)radioisotope D)isotopes E)ions

Match the structures with the appropriate label in the given figure. -cellulose A)A B)B C)C D)D E)E F)F G)G

The atomic number is determined by the number of ____.

Match the following terms to the correct description. -solution that contains the same concentration of H⁺ ions as OH^- ions A)acid B)base C)neutral D)buffer E)pH

Which type of bonding allows the long, straight chains of cellulose to lock together tightly?

Matching Match the following terms to the correct description. -total number of protons and neutrons in the nucleus of an atom A)mass number B)atomic number C)radioisotope D)isotopes E)ions

The following are types of chemical bonds. Match these to the correct description. (The bonds may fit more than one description.) -the bond that holds organic molecules together A)hydrogen B)ionic C)covalent

The following are types of chemical bonds. Match these to the correct description. (The bonds may fit more than one description.) -the bond that breaks when salts dissolve in water A)hydrogen B)ionic C)covalent

The breakdown of large molecules by enzymes and the addition of water is known as a ____ reaction.

In a polymer of nucleotides, how does one nucleotide attach to another?

We can accurately determine the age of a rock or fossil by measuring its ____.

Match the structures with the appropriate label in the given figure. -nucleotide A)A B)B C)C D)D E)E F)F G)G

A protein that is linked to a carbohydrate is known as a ____.

Large polymers are formed from smaller subunits by which type of reaction?