Question 1

Match the structures with the appropriate label in the given figure.
-​steroid
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 2

Which of the following molecules would be considered a covalent compound?

Accepted Answer

A)  oxygen (O2) 
B)  sodium chloride (NaCl) 
C)  water (H2O) 
D)  a diamond (
C)  
E)  ozone (O3) 
A)  oxygen (O2) 
B)  sodium chloride (NaCl) 
C)  water (H2O) 
D)  a diamond (
C)  
E)  ozone (O3)

Question 3

The main source of trans fats in the American diet has been ____.

Accepted Answer

A)  red meat 
B)  dairy products 
C)  seafood 
D)  grains 
E)  vegetable oils 
A)  red meat 
B)  dairy products 
C)  seafood 
D)  grains 
E)  vegetable oils

Question 4

The following are types of chemical bonds. Match these to the correct description.
-the property that allows certain insects to walk on water
A)hydrogen
B)cohesion
C)evaporation

Accepted Answer

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

Question 5

Match the following terms to the correct description.
-measure of the relative concentration of hydrogen ions in a solution
A)acid
B)base
C)neutral
D)buffer
E)pH

Accepted Answer

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

Question 6

The following are types of chemical bonds. Match these to the correct description. (The bonds may fit more than one description.)
-​the bond in which electrons are shared
A)hydrogen
B)ionic
C)covalent

Accepted Answer

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

Question 7

​When a protein denatures, which type of bonding is affected?

Accepted Answer

A)  covalent​ 
B)  ​peptide 
C)  ​ionic 
D)  ​hydrogen 
E)  ​metallic 
A)  covalent​ 
B)  ​peptide 
C)  ​ionic 
D)  ​hydrogen 
E)  ​metallic

Question 8

The following are types of chemical bonds. Match these to the correct description. (The bonds may fit more than one description.)
-​the bond between the atoms in an NaCl molecule
A)hydrogen
B)ionic
C)covalent

Accepted Answer

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

Question 9

Unsaturated fats ____.​

Accepted Answer

A)  are solid at room temperature​ 
B)  ​have at least one double bond in their fatty acid tail 
C)  ​are saturated with hydrogen atoms 
D)  ​mainly come from animals 
E)  ​consist of straight chain fatty acids 
A)  are solid at room temperature​ 
B)  ​have at least one double bond in their fatty acid tail 
C)  ​are saturated with hydrogen atoms 
D)  ​mainly come from animals 
E)  ​consist of straight chain fatty acids

Question 10

Which is an organic molecule?​

Accepted Answer

A)  carbon dioxide (CO2)​ 
B)  ​water (H2O) 
C)  ​methane (CH4) 
D)  ​hydrochloric acid (HCl) 
E)  ​oxygen (O2) 
A)  carbon dioxide (CO2)​ 
B)  ​water (H2O) 
C)  ​methane (CH4) 
D)  ​hydrochloric acid (HCl) 
E)  ​oxygen (O2)

Question 11

Which type of bond exists between two amino acids in a protein?​

Accepted Answer

A)  peptide​ 
B)  ​ionic 
C)  ​hydrogen 
D)  ​amino 
E)  ​sulfhydryl 
A)  peptide​ 
B)  ​ionic 
C)  ​hydrogen 
D)  ​amino 
E)  ​sulfhydryl

Question 12

Fats will dissolve in ethanol. Ethanol is an example of a ____.​

Accepted Answer

A)  solute​ 
B)  ​solution 
C)  ​solvent 
D)  ​salt 
E)  ​ion 
A)  solute​ 
B)  ​solution 
C)  ​solvent 
D)  ​salt 
E)  ​ion

Question 13

Match the structures with the appropriate label in the given figure.
-​starch
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 14

Which two atoms are found in all organic compounds?​

Accepted Answer

A)  carbon and hydrogen​ 
B)  ​carbon and oxygen 
C)  ​oxygen and hydrogen 
D)  ​carbon and phosphorous 
E)  ​oxygen and sulfur 
A)  carbon and hydrogen​ 
B)  ​carbon and oxygen 
C)  ​oxygen and hydrogen 
D)  ​carbon and phosphorous 
E)  ​oxygen and sulfur

Question 15

Match the structures with the appropriate label in the given figure.
-​amino acid
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 16

Matching
​Match the following terms to the correct description.
-​atoms with more or less electrons than protons
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 17

All steroids have ____.​

Accepted Answer

A)  the same number of double bonds​ 
B)  ​double bonds in the same positions 
C)  ​four carbon rings 
D)  ​the same functional groups 
E)  ​the same number and positions of double bonds​ 
A)  the same number of double bonds​ 
B)  ​double bonds in the same positions 
C)  ​four carbon rings 
D)  ​the same functional groups 
E)  ​the same number and positions of double bonds​

Question 18

An atom that carries a charge is called a(n) ____.​

Accepted Answer

A)  ion​ 
B)  ​molecule 
C)  ​compound 
D)  ​element 
E)  ​microelement 
A)  ion​ 
B)  ​molecule 
C)  ​compound 
D)  ​element 
E)  ​microelement

Exam 2: Molecules of Life

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

Which of the following molecules would be considered a covalent compound?

The main source of trans fats in the American diet has been ____.

The following are types of chemical bonds. Match these to the correct description. -the property that allows certain insects to walk on water A)hydrogen B)cohesion C)evaporation

Match the following terms to the correct description. -measure of the relative concentration of hydrogen ions in a solution A)acid B)base C)neutral D)buffer E)pH

The following are types of chemical bonds. Match these to the correct description. (The bonds may fit more than one description.) -​the bond in which electrons are shared A)hydrogen B)ionic C)covalent

​When a protein denatures, which type of bonding is affected?

The following are types of chemical bonds. Match these to the correct description. (The bonds may fit more than one description.) -​the bond between the atoms in an NaCl molecule A)hydrogen B)ionic C)covalent

Unsaturated fats ____.​

Which is an organic molecule?​

Which type of bond exists between two amino acids in a protein?​

Fats will dissolve in ethanol. Ethanol is an example of a ____.​

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

Which two atoms are found in all organic compounds?​

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

Matching ​Match the following terms to the correct description. -​atoms with more or less electrons than protons A)​mass number B)​atomic number C)​radioisotope D)​isotopes E)​ions

All steroids have ____.​

An atom that carries a charge is called a(n) ____.​

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

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

The following are types of chemical bonds. Match these to the correct description. (The bonds may fit more than one description.) -the bond in which electrons are shared A)hydrogen B)ionic C)covalent

When a protein denatures, which type of bonding is affected?

The following are types of chemical bonds. Match these to the correct description. (The bonds may fit more than one description.) -the bond between the atoms in an NaCl molecule A)hydrogen B)ionic C)covalent

Unsaturated fats ____.

Which is an organic molecule?

Which type of bond exists between two amino acids in a protein?

Fats will dissolve in ethanol. Ethanol is an example of a ____.

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

Which two atoms are found in all organic compounds?

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

Matching Match the following terms to the correct description. -atoms with more or less electrons than protons A)mass number B)atomic number C)radioisotope D)isotopes E)ions

All steroids have ____.

An atom that carries a charge is called a(n) ____.