Question 1

Which of the following is a building block of carbohydrates?

Accepted Answer

A)  glycerol 
B)  nucleotide 
C)  simple sugar 
D)  monosaccharide 
E)  glucose 
A)  glycerol 
B)  nucleotide 
C)  simple sugar 
D)  monosaccharide 
E)  glucose

Question 2

The process by which two molecules covalently bond into a larger one is

Accepted Answer

A)  condensation. 
B)  cleavage. 
C)  functional group transfer. 
D)  electron transfer. 
E)  rearrangement. 
A)  condensation. 
B)  cleavage. 
C)  functional group transfer. 
D)  electron transfer. 
E)  rearrangement.

Question 3

Atoms or clusters of atoms that are covalently bonded to carbon and influence the behavior of organic compounds are known as

Accepted Answer

A)  functional groups. 
B)  ions. 
C)  acids. 
D)  network solids. 
E)  anhydrides. 
A)  functional groups. 
B)  ions. 
C)  acids. 
D)  network solids. 
E)  anhydrides.

Question 4

An element is

Accepted Answer

A)  a pure substance that can be broken down to another substance. 
B)  a pure substance that cannot be broken down to another substance. 
C)  the smallest unit that has properties of a given element. 
D)  an atom with an unstable nucleus. 
E)  an atom with positive electrons. 
A)  a pure substance that can be broken down to another substance. 
B)  a pure substance that cannot be broken down to another substance. 
C)  the smallest unit that has properties of a given element. 
D)  an atom with an unstable nucleus. 
E)  an atom with positive electrons.

Question 5

Match between columns
                        Premises: NHS1U1B12S1U1B0
OH
COOH
CHO
POS1U1B14S1U1B0

Accepted Answer

The Answer of hydroxyl and amino and carboxyl and phosphate is...

Question 6

An element's mass number is equal to the sum of its

Accepted Answer

A)  protons and electrons. 
B)  protons and neutrons. 
C)  electrons and neutrons. 
D)  protons only. 
E)  electrons only. 
A)  protons and electrons. 
B)  protons and neutrons. 
C)  electrons and neutrons. 
D)  protons only. 
E)  electrons only.

Question 7

Which of the following is not one of the four most abundant elements in the body?

Accepted Answer

A)  carbon 
B)  hydrogen 
C)  oxygen 
D)  nitrogen 
E)  calcium 
A)  carbon 
B)  hydrogen 
C)  oxygen 
D)  nitrogen 
E)  calcium

Question 8

Which of the following is not a monosaccharide?

Accepted Answer

A)  glucose 
B)  fructose 
C)  deoxyribose 
D)  starch 
E)  ribose 
A)  glucose 
B)  fructose 
C)  deoxyribose 
D)  starch 
E)  ribose

Question 9

When two or more molecules simply mingle, a(n) ____ is created.

Accepted Answer

A)  compound 
B)  mixture 
C)  molecule 
D)  ionic compound 
E)  suspension 
A)  compound 
B)  mixture 
C)  molecule 
D)  ionic compound 
E)  suspension

Question 10

Generally, an atom carries no charge because it has as many electrons as

Accepted Answer

A)  neutrons. 
B)  orbitals. 
C)  shells. 
D)  protons. 
E)  neutrinos. 
A)  neutrons. 
B)  orbitals. 
C)  shells. 
D)  protons. 
E)  neutrinos.

Question 11

A glycoprotein is a combination of a protein and

Accepted Answer

A)  heme. 
B)  oligosaccharides. 
C)  collagen. 
D)  fatty acids. 
E)  nucleic acids. 
A)  heme. 
B)  oligosaccharides. 
C)  collagen. 
D)  fatty acids. 
E)  nucleic acids.

Question 12

Which element is NOT characteristic of the primary structure of proteins?

Accepted Answer

A)  carbon 
B)  hydrogen 
C)  phosphorus 
D)  sulfur 
E)  nitrogen 
A)  carbon 
B)  hydrogen 
C)  phosphorus 
D)  sulfur 
E)  nitrogen

Question 13

H2CO3 is

Accepted Answer

A)  sulfuric acid. 
B)  carbonic acid. 
C)  carbolic acid. 
D)  hydrochloric acid. 
E)  nitric acid. 
A)  sulfuric acid. 
B)  carbonic acid. 
C)  carbolic acid. 
D)  hydrochloric acid. 
E)  nitric acid.

Question 14

A salt will dissolve in water to form

Accepted Answer

A)  acids. 
B)  gases. 
C)  ions. 
D)  bases. 
E)  polar solvents. 
A)  acids. 
B)  gases. 
C)  ions. 
D)  bases. 
E)  polar solvents.

Question 15

The process by which a molecule gives up a functional group, and a different molecule immediately accepts it, is

Accepted Answer

A)  condensation. 
B)  cleavage. 
C)  functional group transfer. 
D)  electron transfer. 
E)  rearrangement. 
A)  condensation. 
B)  cleavage. 
C)  functional group transfer. 
D)  electron transfer. 
E)  rearrangement.

Question 16

The pH scale measures the

Accepted Answer

A)  hydroxide ion concentration. 
B)  concentration of a water-based solution. 
C)  hydrogen ion concentration. 
D)  number of water molecules in a solution. 
E)  concentration of dissolved solute. 
A)  hydroxide ion concentration. 
B)  concentration of a water-based solution. 
C)  hydrogen ion concentration. 
D)  number of water molecules in a solution. 
E)  concentration of dissolved solute.

Question 17

What type of bond forms at regular, short intervals along a new polypeptide chain?

Accepted Answer

A)  ionic 
B)  covalent 
C)  glycosidic 
D)  hydrogen 
E)  coordinate covalent 
A)  ionic 
B)  covalent 
C)  glycosidic 
D)  hydrogen 
E)  coordinate covalent

Question 18

Atoms without vacancies are considered to be

Accepted Answer

A)  ions. 
B)  negatively charged. 
C)  positively charged. 
D)  inert. 
E)  highly active. 
A)  ions. 
B)  negatively charged. 
C)  positively charged. 
D)  inert. 
E)  highly active.

Question 19

Molecular hydrogen is an example of which type of molecule?

Accepted Answer

A)  polar covalent 
B)  nonpolar covalent 
C)  ionic 
D)  coordinate covalent 
E)  network 
A)  polar covalent 
B)  nonpolar covalent 
C)  ionic 
D)  coordinate covalent 
E)  network

Question 20

A saturated hydrocarbon molecule has

Accepted Answer

A)  three double bonds. 
B)  one double bond. 
C)  one double and one triple bond. 
D)  all single bonds. 
E)  all triple bonds. 
A)  three double bonds. 
B)  one double bond. 
C)  one double and one triple bond. 
D)  all single bonds. 
E)  all triple bonds.

Exam 2: Chemistry of Life

Which of the following is a building block of carbohydrates?

The process by which two molecules covalently bond into a larger one is

Atoms or clusters of atoms that are covalently bonded to carbon and influence the behavior of organic compounds are known as

An element is

An element's mass number is equal to the sum of its

Which of the following is not one of the four most abundant elements in the body?

Which of the following is not a monosaccharide?

When two or more molecules simply mingle, a(n) ____ is created.

Generally, an atom carries no charge because it has as many electrons as

A glycoprotein is a combination of a protein and

Which element is NOT characteristic of the primary structure of proteins?

H2CO3 is

A salt will dissolve in water to form

The process by which a molecule gives up a functional group, and a different molecule immediately accepts it, is

The pH scale measures the

What type of bond forms at regular, short intervals along a new polypeptide chain?

Atoms without vacancies are considered to be

Molecular hydrogen is an example of which type of molecule?

A saturated hydrocarbon molecule has

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