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CH 2: Chemistry for A&P

Total questions: 100

Worksheet time: 1hrs 23mins

Name
Class
Date
1.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
2.
the central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
3.

What is the element symbol for CARBON?

a)

C

b)

Ca

c)

Cl

d)

Cu

4.

What is the charge of an electron?

a)

Positive

b)

Negative

c)

Neutral

5.

What is the charge of an proton?

a)

Positive

b)

Negative

c)

Neutral

6.

What is the charge of an neutron?

a)

Positive

b)

Negative

c)

Neutral

7.

Which of the following elements are the basis of organic, living organisms?

a)

Iron

b)

Nitrogen

c)

Carbon

d)

Hydrogen

8.

Which of the following statements best describes a covalent bond?

a)

A bond where nitrogen is bonded to everything.

b)

A bond where electrons are shared.

c)

A bond where electrons are donated from one atom to another.

9.
Nucleic acids are one of the four major macromolecules.  The main functions of nucleic acids are to
a)
store and transport energy and structural components in the cell.
b)
act as enzymes, cell signals, and structural support for the cell.
c)
carry genetic material and create structures inside the cell.
d)
aid in development, the immune system, and blood clotting.
10.
Protein molecules are composed of long chains of __________ .
a)
ribosomes
b)
RNA
c)
amino acids
d)
DNA
11.
The image shows the periodic grid for POTASSIUM. What is Potassium's atomic number?
a)
19
b)
39
c)
20
d)
Impossible to tell
12.
Life on Earth is based on the element:
a)
helium
b)
gold
c)
carbon
d)
water
13.
The major macromolecules of life are:
a)
lipids, proteins, carbohydrates, nucleic acids
b)
nucleic acid and water
c)
lipids and fats
d)
DNA
14.
Which has a pH below 7?
a)
Acid
b)
Base
15.
What is the pH of water?
a)
0
b)
4
c)
7
d)
14
16.
What is the pH range of a base?
a)
0-6.9
b)
7.1-14
c)
0-14
d)
7
17.

Isotopes have a different number of

a)

protons

b)

electrons

c)

neutrons

d)

nuclei

18.

What is the main biological function of carbohydrates?

a)

Store energy

b)

Contain genetic information

c)

Make up enzymes

d)

Make you fat

19.

When an atom gains electrons, it

a)

forms a negatively charged ion

b)

forms a positively charged ion

c)

forms covalent bonds

d)

all of these are correct

20.

Which of these properties of water can be attributed to hydrogen bonding between water molecules?

a)

water stabilizes temperature inside and outside the cell

b)

water molecules are cohesive

c)

water is a solvent for many molecules

d)

ice floats on water

e)

all of these are correct

21.

Which of these is not considered to be a biomolecule?

a)

protein

b)

carbohydrate

c)

salt

d)

lipid

22.

An atom that loses an electron has a ______________________ charge.

a)

positive

b)

neutral

c)

negative

d)

no change in charge

23.

An atom that has a charge is called a(n) _________.

a)

isotope

b)

molecule

c)

compound

d)

ion

24.

The atomic number tells us the number of _____________________ in the element.

a)

protons

b)

neutrons

c)

electrons

d)

photons

25.

If an acid is added to water, the pH of the new solution will ______________________.

a)

increase

b)

decrease

c)

stay the same

d)

be multiplied by 2

26.

The pH of an acid is ______________.

a)

less than 7

b)

less than or equal to 7

c)

greater than 7

d)

greater than or equal to 7

27.

The pH of a base is ______________.

a)

less than 7

b)

less than or equal to 7

c)

greater than 7

d)

greater than or equal to 7

28.

Which of these is correct about carbohydrates?

a)

Monosaccharides are made up of smaller polysaccharides.

b)

Only some polysaccharides are made up of monosaccharides.

c)

Glucose is a polysaccharide.

d)

Monosaccharides are used to build larger molecules like disaccharides and polysaccharides.

29.

What is the name for a catalyst that is made by a living organism?

a)

buffer

b)

enzyme

c)

lipid

d)

nucleic acid

30.
Fats, oils, and cholesterol are all types of
a)
cell membranes.
b)
hormones.
c)
lipids.
d)
fatty acids.
31.
An ion is formed when an atom gains or loses
a)
electrons.
b)
protons.
c)
bonds.
d)
neutrons.
32.
Why is water necessary to your body?
a)
It forms the solutes in blood plasma.
b)
It prevents large changes in blood pH.
c)
It dissolves nonpolar fats and oils.
d)
It dissolves and transports substances.
33.
Proteins are composed of which molecules?
a)
amino acids
b)
nucleic acids
c)
fatty acids
d)
monosaccharides
34.
DNA and RNA are two types of
a)
carbohydrates.
b)
nucleic acids.
c)
lipids.
d)
proteins.
35.
Illustration
a)
This illustration is of a nucleic acid.
b)
This illustration is of a protein.
c)
This illustration is of a carbohydrate.
d)
This illustration is of a lipid.
36.
Illustration
a)
This illustration is of a nucleic acid.
b)

This illustration is of a protein.

c)
This illustration is of a carbohydrate.
d)
This illustration is of a lipid.
37.
Which category of macromolecules includes sugars and starches?
a)
proteins
b)
phospholipids
c)
unsaturated fatty acids
d)
carbohydrates
38.
Which macromolecule stores energy and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
39.
This is one job proteins do NOT have in the body
a)
storing genetic information
b)
structure
c)
speed up chemical reactions
d)
transport things through cell membrane
40.
What is the monomer of carbohydrates?
a)
monosaccharide
b)
amino acid
c)
protein
d)
fatty acid
41.
Compounds that form hydrogen ions in solution is 
a)
a solution
b)
a base
c)
an acid
d)
a proton
42.
Which macromolecule basic unit is glycerol and fatty acids?
a)
lipids
b)
carbohydrates
c)
proteins
d)
nucleic acids
43.
Which is more acidic?
a)
pH of 1
b)
pH of 6
c)
pH of 7
d)
pH of 12
44.
Which of the following is NOT true about water?
a)
Water can moderate temperatures
b)
Water does not dissolve many substances
c)
Water can climb against gravity
d)
Water can adhere to other substance
45.
Lipase is an example of a nucleic acid
a)
True
b)
False
46.
This element is the backbone of all organic molecules.....
a)
Hydrogen
b)
Carbon
c)
Oxygen
d)
Sodium Chloride
47.
Cellulose and starch are carbohydrates that are found in...
a)
plants
b)
animals
c)
llamas
d)
bacteria
48.
What does DNA stand for?
a)
Dubstep Nucleic Acid
b)
Deoxygen Nucleic Acid
c)
Deoxyribonucleic Acid
d)
Harambe
49.
RNA stands for what?
a)
Risosome nucleic acid
b)
Ribonucleic acid
c)
Reoxyribonucleic acid
d)
Deoxyribonucleic acid
50.
Which of the following is true regarding lipids?
a)
2nd energy source
b)
padding & protection
c)
keeps you warm
d)
all of the above
51.
An atom that has gained or lost electrons is called ...
a)
a winner
b)
an isotope
c)
an ion
d)
a loser
52.
The octet rules refers to the need of atoms to 
a)
achieve 8 valence electrons
b)
lose electrons
c)
gain electrons
d)
release electrons
53.
When an atom loses an electron, it forms a(n)
a)
anion
b)
cation
c)
polyatomic ion
d)
neutral ion
54.
Formation of ionic bond involves
a)
transfer of electrons
b)
transfer of neutrons
c)
transfer of protons
d)
sharing of electrons
55.
Element or compound?
H2O
a)
element
b)
compound
56.

Cations are

a)

positive

b)

negative

c)

on the right side of the periodi table.

d)

nonmetals

57.
What si the most inorganic compound in the body
a)
water
b)
salts
c)
acids
d)
bases
58.
release hydroxide ions (OH⁻⁻) and are proton donors
a)
acids
b)
salts
c)
bases
d)
water
59.
a chemical that can regulate pH change is known as a _________
a)
enzyme
b)
salt 
c)
buffer
d)
base
60.
which organic compound contains carbon,hydrogen, and oxygen
a)
carbohydrate
b)
nucleic acid
c)
protein
61.
sugars and starches are examples of
a)
lipds
b)
carbohydrates
c)
proteins
d)
nucleic acids
62.
simple sugars are known as
a)
unsaccharides
b)
disaccharides
c)
polysaccharides
d)
monsaccharides
63.
two simple sugars joined together by dehydration synthesis are known as
a)
polysaccharides
b)
lipid chain
c)
monosaccharide
d)
disaccharide
64.
long branching chains of linked simple sugars are known as
a)
monosaccharide
b)
polysaccharide
c)
disaccharide
65.
which statement is false regarding lipids?
a)
lipids are fats
b)
lipids are insoluble in water
c)
lipids contains 3 elements- C,O,H
d)
lipids are built form amino acids
66.
basis for all steroids made in the body
a)
cholesterol
b)
natural fats
c)
phospholipids
d)
steroids
67.
include bile salts ,vitamin D
a)
cholesterol
b)
natural fats
c)
phospholipids
d)
steroids
68.
which organic compound accounts for over half of the body's organic matter
a)
carbohydrates
b)
lipids
c)
proteins
d)
nucleic acids
69.
which organic compound acts as enzymes,hormones, and antibodies
a)
carbohydrates
b)
lipids 
c)
proteins
d)
nucleic acids
70.
which organic compound provides for construction materials for body tissues
a)
carbohydrates
b)
lipids
c)
proteins
d)
nucleic acids
71.
which organic compound contains the elements C,O,H,N and sometimes S
a)
carbohydrates
b)
lipids
c)
proteins
d)
nucleic acids
72.
which organic compound is built from amino acids
a)
carbohydrates
b)
proteins
c)
nucleic acids
d)
lipids
73.
known as a functional protein, this protein acts as antibodies or enzymes
a)
globular
b)
fibrous
c)
enzymes
74.
this organic compound is built from nucleotides
a)
carbohydrates
b)
lipids
c)
proteins
d)
nucleic acids
75.
contains the sugar deoxyribose and the bases adenine, thymine, cytosine, and guanine
a)
DNA
b)
RNA
76.
contains the sugar ribose and the bases adenine, uracil, guanine, cytosine
a)
DNA
b)
RNA
77.
which compound contains chemical energy used by all cells
a)
ADP
b)
ATP
c)
DNA
d)
RNA
78.
what are the reactants in the following equation
HCL + NaOH →NaCl + H2O
a)
HCL, NaOH
b)
HCL, NaCl
c)
H2O, HCl
HCl, H2O
d)
NaOH,NaCl
79.
What are the products in the equation
HCl + NaOH → NaCl + H2O
a)
HCl , NaOH
b)
HCl, NaCl
c)
NaCl, H2O
d)
HCl, H2O
80.
which electrons participate in chemical bonds
a)
valence
b)
inner shell
c)
orbital
d)
all of them
81.
Atoms are considered stable when their outermost orbital has ___ electrons
a)
10
b)
8
c)
12
d)
4
82.
form when electrons are completely transferred from one atom to another.
a)
covalent bond
b)
metallic bond
c)
ionic bond
d)
polar covalent bond
83.
AB→A + B
a)
synthesis reaction
b)
decomposition reaction
84.
(A + B →AB)
a)
decomposition reaction
b)
replacement reaction
c)
hydrolysis reaction
d)
synthesis reaction
85.
form cell membranes
a)
cholesterol
b)
natural fats
c)
phospholipids
d)
steroids
86.
Produces water as a by-product
a)
Dehydration synthesis
b)
Hydolysis
87.
Breaks up polymers, forming monomers
a)
dehydration synthesis
b)
hydrolysis
88.
Water is used to break bonds between polymers
a)
dehydration synthesis
b)
Hydrolysis
89.
Joins amino acids to form a protein
a)
Dehydration synthesis
b)
hydrolysis
90.
Occurs when polysaccharides are digested to form monosaccharides
a)
Dehydration synthesis
b)
hydrolysis
91.
The process of removing water in order to form a bond between monomers is called....
a)
Dehydration Synthesis
b)
Hydrolysis
92.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
93.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
94.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
95.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
96.

CHECK ALL THAT APPLY!


The following macromolecules contain Carbon, Hydrogen, and Oxygen:

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

97.

CHECK ALL THAT APPLY!


The following macromolecules contain Nitrogen:

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

98.

CHECK ALL THAT APPLY!


The following macromolecules contain Sulfur:

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

99.

CHECK ALL THAT APPLY!


The following macromolecules contain Phosphorus:

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

100.

What process is shown in this picture?

a)

Dehydration Synthesis

b)

Hydrolysis

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