Question 1

Electrolytes conduct electrical currents in solution.

Accepted Answer

A) True 
 B)False

Question 2

Matter is best described as ________.

Accepted Answer

A)  having no mass 
B)  the ability to put matter into motion 
C)  anything that occupies space and has mass 
D)  the ability to do work

Question 3

Explain how potential energy differs from kinetic energy.

Accepted Answer

The answer of Explain how potential energy differs from kinetic...

Question 4

Which of these vitamins is produced in skin upon exposure to ultraviolet (UV) radiation?

Accepted Answer

A)  vitamin A 
B)  vitamin C 
C)  vitamin D 
D)  vitamin E 
E)  vitamin K

Question 5

The pH scale is based on the number of ________ in solution.

Accepted Answer

A)  neutrons 
B)  electrons 
C)  protons 
D)  hydroxyls

Question 6

Match the following:
-Atomic number is based on the number of these subatomic particles in an atom of a particular element.

Accepted Answer

A) Proton 
B) Neutron 
C) Electron

Question 7

Discuss the organization of the pH scale, including the location of acids, bases, and neutral substances.

Accepted Answer

The answer of Discuss the organization of the pH scale,...

Question 8

-Letter E represents a nucleic acid building block known as a ________.

Accepted Answer

A)  monosaccharide 
B)  triglyceride 
C)  saturated fat 
D)  nucleotide

Question 9

Shell 1 of an atom can hold a maximum of ________ electron(s).

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  8 
E)  18

Question 10

Distinguish between a dehydration synthesis and a hydrolysis reaction.

Accepted Answer

The answer of Distinguish between a dehydration synthesis and a...

Question 11

What type of chemical bond is pictured in Figure 2.3?

Accepted Answer

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

Question 12

Differentiate between the method of determination of the atomic number and the atomic mass number.

Accepted Answer

The answer of Differentiate between the method of determination of...

Question 13

Joey works in a lab on an organic compound with the formula of C₆H₁₂O₆. Determine the type of organic compound, being as specific as possible, on which he works. Explain how you know.

Accepted Answer

The answer of Joey works in a lab on an...

Question 14

The number of protons always equals the ________ in a neutral atom.

Accepted Answer

A)  atomic mass number 
B)  number of electrons 
C)  number of neutrons 
D)  atomic weight 
E)  number of valence shells

Question 15

Which statement best describes why ATP is an important nucleic acid in the body?

Accepted Answer

A)  ATP is the storage form of glucose in the body. 
B)  ATP is a modified RNA molecule used to store genetic information. 
C)  ATP carries out the orders for protein synthesis issued by DNA. 
D)  ATP functions as a catalyst to increase reaction rates. 
E)  ATP provides a form of chemical energy all body cells can use.

Question 16

The number of protons in an atom equals the atomic number for that element.

Accepted Answer

A) True 
 B)False

Question 17

Describe the difference between the roles of functional, or globular, proteins and structural, or fibrous, proteins.

Accepted Answer

The answer of Describe the difference between the roles of...

Question 18

Hydrogen bonding between water molecules is responsible for ________.

Accepted Answer

A)  polarity 
B)  denaturation of proteins 
C)  enzyme structure 
D)  nonpolar covalent bonding 
E)  surface tension

Question 19

Match the following:
-Amino acids join together to form proteins.

Accepted Answer

A) Synthesis reaction 
B) Decomposition reaction 
C) Exchange reaction

Question 20

Unsaturated fatty acid chains contain one or more ________ bonds between carbon atoms.

Accepted Answer

A)  peptide 
B)  double 
C)  triple 
D)  monosaccharide

Exam 2: Basic Chemistry