Question 1

Surface tension is an example of ____.

Accepted Answer

A) hydrophobicity 
B) concentration 
C) evaporation 
D) cohesion 
E) polarity 
A) hydrophobicity 
B) concentration 
C) evaporation 
D) cohesion 
E) polarity

Question 2

The positive subatomic particle is the ____.

Accepted Answer

A) neutron 
B) proton 
C) electron 
D) positron 
E) quark 
A) neutron 
B) proton 
C) electron 
D) positron 
E) quark

Question 3

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 4

Oxygen has an atomic number of 8.This means that oxygen has ____.

Accepted Answer

A) 8 electrons in its outer most shell 
B) 8 neutrons in its nucleus 
C) 4 protons and 4 neutrons in its nucleus 
D) 8 protons in its nucleus 
E) 8 protons and 8 neutrons in its nucleus 
A) 8 electrons in its outer most shell 
B) 8 neutrons in its nucleus 
C) 4 protons and 4 neutrons in its nucleus 
D) 8 protons in its nucleus 
E) 8 protons and 8 neutrons in its nucleus

Question 5

Fats are major components of the cell's ____.

Accepted Answer

A) membranes 
B) cytoplasm 
C) proteins 
D) ribosomes 
E) DNA 
A) membranes 
B) cytoplasm 
C) proteins 
D) ribosomes 
E) DNA

Question 6

The neutral subatomic particle is the ____.

Accepted Answer

A) neutron 
B) proton 
C) electron 
D) quark 
E) Higg's boson 
A) neutron 
B) proton 
C) electron 
D) quark 
E) Higg's boson

Question 7

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 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 giving off 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 giving off energy 
D) cohesion of water molecules giving off energy 
E) cohesion of water molecules requiring energy

Question 9

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 10

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

Question 11

In the figure above,which fatty acids are most likely to be solid at room temperature?

Accepted Answer

A) I 
B) II, III and IV 
C) II, III, IV and V 
D) I and IV 
E) I and V 
A) I 
B) II, III and IV 
C) II, III, IV and V 
D) I and IV 
E) I and V

Question 12

Which invention led to trans fats being marketed as a solid cooking fat?

Accepted Answer

A) the electric light 
B) the telephone 
C) the automobile 
D) the microwave oven 
E) the refrigerator 
A) the electric light 
B) the telephone 
C) the automobile 
D) the microwave oven 
E) the refrigerator

Question 13

Which type of bonds hold the two chains of DNA together in a DNA molecule?

Accepted Answer

A) hydrogen 
B) polar covalent 
C) nonpolar covalent 
D) ionic 
E) peptide 
A) hydrogen 
B) polar covalent 
C) nonpolar covalent 
D) ionic 
E) peptide

Question 14

Sucrose is composed of ____.

Accepted Answer

A) two molecules of fructose 
B) two molecules of glucose 
C) a molecule of fructose and a molecule of glucose 
D) a molecule of fructose and a molecule of galactose 
E) two molecules of galactose 
A) two molecules of fructose 
B) two molecules of glucose 
C) a molecule of fructose and a molecule of glucose 
D) a molecule of fructose and a molecule of galactose 
E) two molecules of galactose

Question 15

A solution is a uniform mixture in which a ____ is dissolved completely in a ____.

Accepted Answer

A) salt; solute 
B) solute; salt 
C) solute; solvent 
D) solvent; salt 
E) solvent; solute 
A) salt; solute 
B) solute; salt 
C) solute; solvent 
D) solvent; salt 
E) solvent; solute

Question 16

How many carbons are present in this figure?

Accepted Answer

A) 0 
B) 4 
C) 5 
D) 6 
E) 7 
A) 0 
B) 4 
C) 5 
D) 6 
E) 7

Question 17

Match the structures below with the appropriate label in the figure above.
-steroid

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E
F)F
G)G 
A) A 
B) B 
C) C 
D) D 
E) E
F)F
G)G

Question 18

____ is the tendency of water molecules to stay attached to one another.

Accepted Answer

A) Adhesion 
B) Cohesion 
C) Fusion 
D) Interaction 
E) Junction 
A) Adhesion 
B) Cohesion 
C) Fusion 
D) Interaction 
E) Junction

Question 19

The bond in table salt (NaCl)is ____.

Accepted Answer

A) polar 
B) ionic 
C) covalent 
D) double 
E) nonpolar 
A) polar 
B) ionic 
C) covalent 
D) double 
E) nonpolar

Question 20

Match the structures below with the appropriate label in the figure above.
-starch

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E
F)F
G)G 
A) A 
B) B 
C) C 
D) D 
E) E
F)F
G)G

Surface tension is an example of ____.

The positive subatomic particle is the ____.

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

Oxygen has an atomic number of 8.This means that oxygen has ____.

Fats are major components of the cell's ____.

The neutral subatomic particle is the ____.

The atomic number is determined by the number of ____.

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

A triglyceride molecule is made up of ____.

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

In the figure above,which fatty acids are most likely to be solid at room temperature?

Which invention led to trans fats being marketed as a solid cooking fat?

Which type of bonds hold the two chains of DNA together in a DNA molecule?

Sucrose is composed of ____.

A solution is a uniform mixture in which a is dissolved completely in a .

How many carbons are present in this figure?

Match the structures below with the appropriate label in the figure above. -steroid

____ is the tendency of water molecules to stay attached to one another.

The bond in table salt (NaCl)is ____.

Match the structures below with the appropriate label in the figure above. -starch

Invitation To Biology

Cell Structure

Energy And Metabolism

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

Filters

Exam 2: Molecules Of Life

Surface tension is an example of ____.

The positive subatomic particle is the ____.

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

Oxygen has an atomic number of 8.This means that oxygen has ____.

Fats are major components of the cell's ____.

The neutral subatomic particle is the ____.

The atomic number is determined by the number of ____.

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

A triglyceride molecule is made up of ____.

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

In the figure above,which fatty acids are most likely to be solid at room temperature?

Which invention led to trans fats being marketed as a solid cooking fat?

Which type of bonds hold the two chains of DNA together in a DNA molecule?

Sucrose is composed of ____.

A solution is a uniform mixture in which a ____ is dissolved completely in a ____.

How many carbons are present in this figure?

Match the structures below with the appropriate label in the figure above. -steroid

____ is the tendency of water molecules to stay attached to one another.

The bond in table salt (NaCl)is ____.

Match the structures below with the appropriate label in the figure above. -starch

Invitation To Biology

Cell Structure

Energy And Metabolism

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

Filters

A solution is a uniform mixture in which a is dissolved completely in a .