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Worksheets

Unit 1 - Chemistry of Life

Total questions: 205

Worksheet time: 3hrs 13mins

Name
Class
Date
1.

I'm thinking what?

a)

Miku

b)

Not Miku

2.

What subatomic particles are in the nucleus?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Photons

3.

What subatomic particle has a negative charge?

a)

Electrons

b)

Neutrons

c)

Protons

d)

Nucleus

4.

Which subatomic particle has the least mass?

a)

Electron

b)

Neutron

c)

Proton

5.

Which subatomic particle has no charge?

a)

Electron

b)

Neutron

c)

Proton

6.

Neutrons have the same mass as which subatomic particle?

a)

Electrons

b)

Protons

7.

Which part of the atom has the most mass?

a)

The electrons

b)

In the nucleus

c)

It is evenly spread out

d)

On the outside

8.

Atomic number is a measure of the...

a)

Number of electrons

b)

Number of neutrons

c)

Number of protons

d)

Number of protons and neutrons

9.

To have a charge of zero, what two particles must be balanced in an atom?

a)

Protons and Electrons

b)

Protons and neutrons

c)

Electrons and neutrons

10.

What subatomic particle is different between isotopes?

a)

Electrons

b)

Protons

c)

Neutrons

11.

Mass number is a measure of an atom's

a)

Electrons and protons

b)

Electrons and neutrons

c)

Neutrons and protons

12.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

13.

Name this element.

a)

Argon

b)

Chlorine

c)

Aluminum

d)

Boron

14.

Name this element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

15.

What is the atomic number of this atom?

a)

2

b)

4

c)

6

d)

8

16.

What is this element?

a)

Beryllium (atomic #4)

b)

Boron (atomic #5)

c)

Carbon (atomic #6)

d)

Nitrogen (atomic #7)

17.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

18.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

19.

What is a valence electron?

a)

Electrons in the first energy shell

b)

Electrons in the second energy shell

c)

Electrons in the outer shell

d)

Total number of electrons

20.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

21.

What is the atomic number of this element?

a)

17

b)

18

c)

35

d)

35.453

22.

What is a cation's charge?

a)

positive

b)

negative

c)

neutral

d)

depends on the element

23.

What is an anion's charge?

a)

positive

b)

negative

c)

neutral

d)

depends on the element's charge

24.

Is potassium a cation or an anion?

a)

cation

b)

anion

25.

What is the charge of iron (III)?

a)

+3

b)

+2

c)

+6

d)

+4

26.

What is the charge of phosphate?

a)

-3

b)

-2

c)

-1

d)

-4

27.

Is the ion ammonium a cation or an anion?

a)

cation

b)

anion

28.

Identify the compound if hydrogen and chlorine are chemically combined.

a)

HCl

b)

HCl7

c)

H1Cl1

d)

H1Cl7

29.

Identify the compound if lithium and pyrophosphate are chemically combined.

a)

Li4P2O7

b)

Li4P21O71

c)

Li1P3O2

d)

P2O7Li4

30.

Is the ion permanganate a cation or an anion?

a)

cation

b)

anion

31.

What is the cation charge of chromium (VI)?

a)

+6

b)

-6

c)

+24

d)

-24

32.

The dashed lines represent

a)

hydrogen bonds

b)

covalent bonds

c)

ionic bonds

d)

delta

33.

How many hydrogen atoms are in one water molecule?

a)

1

b)

2

c)

3

d)

4

34.

Which is more electronegative?

a)

hydrogen

b)

oxygen

35.

What kind of charge is on hydrogen atoms?

a)

positive

b)

negative

c)

north

d)

south

36.

The water molecules are arranged

a)

by size

b)

with opposites away from each other

c)

with opposites next to each other

d)

randomly

37.

What is the cause of attraction between water molecules?

a)

gravitational force

b)

elastic force

c)

mechanical force

d)

electrostatic force

38.

Polar molecules

a)

have even charge density

b)

are symmetric

c)

form hydrogen bonds

d)

have 10 atoms per molecule

39.

Nonpolar molecules include

a)

fats only

b)

oils only

c)

both fats and oils

d)

fats, oils and waxes

40.

Oils are

a)

hydrophobic

b)

hydrophillic

41.

The nucleic acid DNA is double stranded. The two strands are held together by

a)

hydrogen bonds

b)

covalent bonds

c)

proteins

d)

fats

42.
The desire for an element to have 8 atoms around it is called 
a)
Octet Rule
b)
Resonance
c)
Ionization energy
d)
Electronegativity
43.
How many Valence Electrons are on Oxygen
a)
2
b)
7
c)
6
d)
1
44.
Which of the following elements wants to bond 3 times
a)
Oxygen
b)
Phosphorous
c)
Fluorine
d)
Germanium
45.
Which of the following is a Diatomic Molecule 
a)
K2
b)
C2
c)
S2
d)
N2
46.
What is the name of this Compound
a)
P2O5
b)
Phosphorous PentaOxide
c)
Diphosphorous pentaoxide
d)
Phosphourous Oxide
47.
What is the formula for this Compound
a)
PCl
b)
PCL5
c)
PCl5
d)
Phosphorous Penta Chloride
48.
What is the name of this Molecule shape
a)
Tetrahedral
b)
Trigonal Pyramidal 
c)
Trigonal bipyramidal
d)
Bent
49.
A polar bond is one that
a)
Has an electronegativity difference greater than 0.7
b)
Has an electronegativity difference greater than 0.5
c)
Has an electronegativity difference less that 0.5
d)
Has an electronegativity difference less than 0.7
50.
Which of these forces applies to all molecules
a)
London Dispersion
b)
Dipole dipole
c)
Hydrogen Bonding
d)
Covalent bonding
51.
Which of these would be covalently bonded
a)
Fr and K
b)
Sc and O 
c)
F and Cl
d)
He and Pt
52.
Ionic bonds form between two ions that have...
a)
ionic compounds
b)
negative charges
c)
positive charges
d)
opposite charges
53.
Ions that are made of more than one atom are called...
a)
ionic compounds
b)
crystals
c)
polyatomic atoms
d)
ionic bonds
54.
Which is most likely to form a negative ion...
a)
an element from Group 17
b)
a metal
c)
an element from Group 1
d)
an element with atoms that have eight valence electrons
55.
Which of the following is the correct name for MgCl2....
a)
Magnesium Clorine
b)
Magnesium Dicholorine
c)
Magnesium Cloride
d)
Magnesium Dichloride
56.
A(n) _____________ is an atom or group of atoms that has an electric charge. 
a)
ion
b)
electron
57.
The attraction between oppositely charged ions is called a(n) _______________.
a)
ionic bond
b)
polyatomic ion
58.
When an atom loses a valence electron, it becomes a(n) _________ion.
a)
positive 
b)
negative
59.
In order to have a stable arrangement of 8 valence electrons, metal atoms are likely to _________electrons.
a)
gain
b)
lose
60.
In an ionic compound, the total positive charge of all the positive ions ___________ the total negative charge of all the negative ions.
a)
equals
b)
is more than
61.
Because the force of attraction between the positive and negative ions is so strong, ionic compounds have _________ melting points.
a)
high
b)
low
62.

What is the atomic mass for nickel?

a)

58.693

b)

28

c)

30.693

d)

86.693

63.

What is the atomic number for boron?

a)

15.811

b)

5

c)

5.811

d)

10.811

64.

How many neutrons are in an atom of oxygen?

a)

23.999

b)

8

c)

7.999

d)

30.999

65.

If the atomic mass is not given, how do we calculate it?

a)

(protons) + (electrons)

b)

(atomic mass) - (atomic number)

c)

(protons) - (neutrons)

d)

(protons) + (neutrons)

66.

What is the atomic number for mercury?

a)

200.59

b)

120.59

c)

280.59

d)

80

67.

How many protons are in an atom of manganese?

a)

50

b)

54.938

c)

25

d)

109.876

68.

What is the atomic mass for zinc?

a)

95.38

b)

65.38

c)

30

d)

35.38

69.

How many electrons are in an atom of strontium?

a)

125.62

b)

87.62

c)

49.62

d)

38

70.

How do we calculate the number of neutrons in an atom?

a)

(atomic number) - (atomic mass)

b)

(atomic mass) - (atomic number)

c)

(atomic mass) + (atomic number)

d)

atomic mass only

71.

How many neutrons are in an atom of zirconium?

a)

51.224

b)

131.224

c)

40

d)

80

72.

What is a positive ion called?

a)

anion

b)

cation

c)

isotope

d)

covalent

73.

What is a negative ion called?

a)

anion

b)

cation

c)

covalent

d)

isotope

74.

Which types of elements from cations?

a)

metals

b)

nonmetals

c)

metalloids

d)

noble gases

75.

Which types of elements from anions?

a)

metals

b)

nonmetals

c)

metalloids

d)

noble gases

76.

Why do elements form bonds?

a)

to get a charge

b)

so they can make friends

c)

to become stable by getting a full valence shell

d)

to become stable by increasing their mass

77.

How many electrons would a Nitrogen ion gain/lose?

a)

lose 5

b)

gain 5

c)

lose 3

d)

gain 3

78.

How many electrons would a Calcium ion gain/lose?

a)

lose 1

b)

gain 1

c)

lose 2

d)

gain 2

79.

What is the ion formed from Sulfur?

a)

S+2

b)

S-2

c)

S+6

d)

S-6

80.

If an atom loses electrons, the charge will be positive.

a)

true

b)

false

81.

A Bromine ion gains 1 electron, which of the following is the correct symbol for a Bromine ion?

a)

Br-1

b)

Br+1

c)

Br+7

d)

Br-7

82.
Which of the following chemical formulas represents a compound? 
a)
C3
b)
O2
c)
CH3CHO
d)
H2
83.
Which statement best describes an element?
a)
made from mixture 
b)
thousands in the world
c)
pure, made of only one atom
d)
can be separated 
84.
Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –
a)
a gas at room temperature.
b)
made of two different elements.
c)
given off by green plants.
85.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
86.
What is the tiniest particle in the entire universe?
a)
cells
b)
gases
c)
atoms
d)
liquids
87.
What is the name of a single type of atom?
a)
cell
b)
proton
c)
element
d)
atom
88.
What is the term for combining 2 or more atoms together?
a)
atoms
b)
elements
c)
molecules
d)
compounds
89.
Are these molecules also compounds?
a)
YES
b)
NO
90.
What do we call a substance consisting of a single atom?
a)
coefficient
b)
element
c)
compound
d)
molecule
91.
Connects monomers to form a polymer
a)
Dehydration synthesis
b)
hydrolysis
92.
Produces water as a by-product
a)
Dehydration synthesis
b)
Hydolysis
93.
Water is used to break bonds between polymers
a)
dehydration synthesis
b)
Hydrolysis
94.
The process of removing water in order to form a bond between monomers is called....
a)
Dehydration Synthesis
b)
Hydrolysis
95.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
96.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
97.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
98.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
99.

Macromolecules are made of repeating subunits called

a)

monomers

b)

monosaccharides

c)

polymers

d)

polysaccharides

100.

A __________ consists of many monomers bonded together.

a)

monomer

b)

hydrocarbon

c)

peptide

d)

polymer

101.
Find the degrees of freedom.
a)
4
b)
5
c)
6
d)
7
102.
Which significance level  
(column) do you look at when finding the critical value?
a)
.50
b)
.10
c)
.05
d)
.01
103.
How do you find degrees of freedom?
a)
one less than the possible genotypes
b)
one less than the possible phenotypes
c)
total number divided 2
d)
total number times 2
104.
How do you find critical value?
a)
where degrees of freedom lines up with significance level
b)
where significance level lines up with chi-square
c)
the difference between total and chi-square 
d)
degrees of freedom minus significance level
105.
Observed in the wild are 10 circles, 20 squares and 30 triangles. The ratio for this particular population is 2:3:5 
observed: 10 circles     expected: 
observed 20 squares    expected : 18
observed 30 triangles   expected: 30
What is the expected number for circles?
a)
6
b)
12
c)
18
d)
24
106.
Observed in the wild are 10 circles, 20 squares and 30 triangles. The ratio for this particular population is 2:3:5 
observed: 10 circles     expected: 12
observed 20 squares    expected : 18
observed 30 triangles   expected: 30
What is the degrees of freedom?
a)
1
b)
2
c)
3
d)
4
107.
Observed in the wild are 10 circles, 20 squares and 30 triangles. The ratio for this particular population is 2:3:5 
observed: 10 circles     expected: 12
observed 20 squares    expected : 18
observed 30 triangles   expected: 30
What is the X2 of this problem?
a)
.22
b)
.33
c)
.44
d)
.55
108.
Observed in the wild are 10 circles, 20 squares and 30 triangles. The ratio for this particular population is 2:3:5 
observed: 10 circles     expected: 12
observed 20 squares    expected : 18
observed 30 triangles   expected: 30
Would you accept or reject?
a)
accept
b)
reject
109.

What is the

χ2 calculated value for the following situation.

a)

6.65

b)

6.66

c)

0.00991

d)

1

110.

If we are testing at a 5% significance level and our p-value is 0.00453, what is the conclusion?

a)

Accept Null Hypothesis

b)

Reject Null Hypothesis

c)

We need to know chi-squared

d)

You cannot do this problem without a calculator

111.
How do you find degrees of freedom?
a)
one less than the possible genotypes
b)
one less than the possible phenotypes
c)
total number divided 2
d)
total number times 2
112.

What is the purpose of a Chi-Square test?

a)

To determine if there is a significant difference between the observed and expected values in an experiment.

b)

To determine if there is a statistically significant difference between the observed and expected values in an experiment.

c)

To do extra math.

d)

To conclusively prove that your null hypothesis is true or false.

113.
Find the degrees of freedom.
a)
4
b)
5
c)
6
d)
7
114.

Gregor Mendel was experimenting with peas and exploring the basics of genetics. He knew that green (G) is dominant over yellow (g) peas. In one experiment, he crossed a heterozygous green pea with a homozygous yellow pea. In the F1 generation he obtained a total of 400 peas out of which 180 were green and 220 were yellow.

a. Calculate the chi-square to the nearest tenth.

c. Explain if the null hypothesis can be kept or rejected.

a)

x2 = 4; Null hypothesis can be rejected because chi-square is greater than the critical value of 3.84.

b)

x2 = 4.5; Null hypothesis can be kept because chi-square is less than the critical value of 5.99

c)

x2 = 2; Null hypothesis can be rejected because chi-square is less than the critical value of 5.99

d)

x2 = 4; Null hypothesis can be kept because chi-square is greater than the critical value of 3.84

115.

If the χ2 critical value = 5.99 and the

χ2 calculated value = 7.35, what is the conclusion

a)

Reject Ho

b)

Do not reject Ho

c)

there is not enough info to decide

d)

The conclusion can only be made if we also know the p-value

116.

What is the null hypothesis?

a)

Injury type is independent of position played

b)

Injury type is dependent on the position played independent

c)

Injury type is correlated to position played.

117.

This symbol denotes the null hypothesis

a)

Null hypothesis

b)

Alternative Hypothesis

c)

H0

d)

Ha

118.

Carbohydrates make up the largest volume of our daily food. What percentage of our food should be from carbohydrates

a)

45% to 65%

b)

65% to 80%

119.

What is the name of an enzyme that breakers down carbohydrates

a)

anylan

b)

carb

c)

carbon

120.

What are three elements found in carbohydrates

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Helium

121.

Name an example of a type of monosaccharide and what food can this be found in

a)

Glucose

b)

Fructose

c)

Bread

d)

Jusice

122.

Name an example of polysacchardide and what food can this be found in?

a)

Starch

b)

Glycogen

c)

Celluso

123.

What is the monomer of carbohydrates

a)

disaccharides

b)

monosaccharides

c)

amino acids

d)

fatty acids

124.

Which of the following is NOT a monosaccharide?

a)

starch

b)

fructose

c)

glucose

d)

galactose

125.

Which polysaccharide is used by plants to store glucose?

a)

glycogen

b)

cellulose

c)

starch

d)

chitin

126.

Lactose is composed of

a)

glucose + fructose

b)

glucose + glucose

c)

glucose + sucrose

d)

glucose + galactose

127.

What is the polysaccharide used by animals to store glucose?

a)

glycogen

b)

fructose

c)

starch

d)

cellulose

128.

Which polysaccharide is used by plants to make their cell wall?

a)

starch

b)

glycogen

c)

cellulose

d)

chitin

129.

What makes up the disaccharide sucrose?

a)

glucose + glucose

b)

glucose + fructose

c)

glucose + galactose

d)

glucose + maltose

130.
Carbohydrates are comprised of Carbon, Hydrogen, Oxygen, and Nitrogen
a)
True
b)
False
131.
Sugars all end with what three letter ending?
a)
-ote
b)
-ate
c)
-ase
d)
-ose
132.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
133.
The scientific name for table sugar is ___
a)
lactose
b)
sucrose
c)
galactose
d)
glucose
134.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
135.
Carbohydrates are the first source of _______ for the body?
a)
repair
b)
hygiene
c)
fuel
136.
The simple sugar from fruit is called_____.
a)
sucrose
b)
lactose
c)
fructose
d)
maltose
137.
The simple sugar in milk is ________.
a)
lactose
b)
maltose
c)
sucrose
d)
fructose
138.
______________ carbohydrates supply longer lasting energy.
a)
simple
b)
complex
c)
generic
139.
What might happen if you didn't get enough carbohydrates?
a)
Your body wouldn't be able to build muscle mass
b)
Your body wouldn't have enough energy to function
c)
You would develop serious vitamin deficiencies
d)
Your bones and teeth would become weaker
140.
Your body breaks down most complex carbohydrates into:
a)
fructose
b)
sucrose
c)
glucose
d)
starch
141.
What atoms make up all carbohydrates?
a)
Carbon, Sulfur, Hydrogen
b)
Carbon, Oxygen, Phosphorus
c)
Carbon, Oxygen, Nitrogen
d)
Carbon, Oxygen, Hydrogen
142.
How many sugar units make up monosaccharides?
a)
one
b)
two
c)
three
d)
zero
143.

What is the monomer of carbohydrates

a)

disaccharides

b)

monosaccharides

c)

amino acids

d)

fatty acids

144.

Which of the following is NOT a monosaccharide?

a)

starch

b)

fructose

c)

glucose

d)

galactose

145.

Which polysaccharide is used by plants to store glucose?

a)

glycogen

b)

cellulose

c)

starch

d)

chitin

146.

Lactose is composed of

a)

glucose + fructose

b)

glucose + glucose

c)

glucose + sucrose

d)

glucose + galactose

147.

What is the polysaccharide used by animals to store glucose?

a)

glycogen

b)

fructose

c)

starch

d)

cellulose

148.

Which polysaccharide is used by plants to make their cell wall?

a)

starch

b)

glycogen

c)

cellulose

d)

chitin

149.

What makes up the disaccharide sucrose?

a)

glucose + glucose

b)

glucose + fructose

c)

glucose + galactose

d)

glucose + maltose

150.
Carbohydrates are comprised of Carbon, Hydrogen, Oxygen, and Nitrogen
a)
True
b)
False
151.
Sugars all end with what three letter ending?
a)
-ote
b)
-ate
c)
-ase
d)
-ose
152.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
153.
The scientific name for table sugar is ___
a)
lactose
b)
sucrose
c)
galactose
d)
glucose
154.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
155.
Carbohydrates are the first source of _______ for the body?
a)
repair
b)
hygiene
c)
fuel
156.
The simple sugar from fruit is called_____.
a)
sucrose
b)
lactose
c)
fructose
d)
maltose
157.
The simple sugar in milk is ________.
a)
lactose
b)
maltose
c)
sucrose
d)
fructose
158.
______________ carbohydrates supply longer lasting energy.
a)
simple
b)
complex
c)
generic
159.
What might happen if you didn't get enough carbohydrates?
a)
Your body wouldn't be able to build muscle mass
b)
Your body wouldn't have enough energy to function
c)
You would develop serious vitamin deficiencies
d)
Your bones and teeth would become weaker
160.
Your body breaks down most complex carbohydrates into:
a)
fructose
b)
sucrose
c)
glucose
d)
starch
161.
What atoms make up all carbohydrates?
a)
Carbon, Sulfur, Hydrogen
b)
Carbon, Oxygen, Phosphorus
c)
Carbon, Oxygen, Nitrogen
d)
Carbon, Oxygen, Hydrogen
162.
How many sugar units make up monosaccharides?
a)
one
b)
two
c)
three
d)
zero
163.

Short term energy and structure in plants.

a)

Functions of Nucleic Acids

b)

Functions of Proteins

c)

Functions of Lipids

d)

Functions of Carbohydrates

164.

Fats and oils: a major source of food providing long term energy and other functions.

a)

Sugars

b)

Carbohydrates

c)

Lipids

d)

Proteins

165.

Long term energy storage,

help form cell membranes, and provide parts of other biomolecules like hormones.

a)

Functions of Sugars

b)

Functions of Polysaccharides

c)

Functions of Carbohydrates

d)

Functions of Lipids

166.

A hydrocarbon chain that is sometimes considered to be a monomer of lipids.

a)

Fatty Acids

b)

Nucleic Acids

c)

Proteins

d)

Lipids

167.

Long chains of Carbon Hydrogen bonds containing Carbon, Hydrogen and Oxygen (C-H-O).

a)

Chemical Structure of Nucleic Acids

b)

Chemical Structure of Carbohydrates

c)

Chemical Structure of Proteins

d)

Chemical Structure of Lipids

168.

Single bond between Carbon and Hydrogen chains.

Tends to be solid at room temperature like butter.

a)

Saturated Fats

b)

Unsaturated Fats

c)

Carbohydrates

d)

Proteins

169.

Double bond between Carbon and Hydrogen chains.

Tends to be liquid at room temperature like oils.

a)

Polysaccharides

b)

Lipids

c)

Saturated Fats

d)

Unsaturated Fats

170.
DNA and RNA are examples of ___________.
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
171.
Waxes, oils and fats are examples of ___________.
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
172.
Which type of biological macromolecule are enzymes?
a)
Protein
b)
Carbohydrate
c)
Lipid
d)
Nucleic Acid
173.
What is the function of nucleic acids?
a)
Store and transmit genetic information
b)
Store energy (long-term)
c)
Store energy (short-term)
d)
Build skin, hair, nails, and muscles
174.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
175.
Examples of which biological macromolecule include glucose, fructose, starch, and glycogen?
a)
Lipids
b)
Carbohydrates
c)
Nucleic Acids
d)
Proteins
176.
Which macromolecule is made up of a glycerol and fatty acids?
a)
Lipids
b)
Proteins
c)
Nucleic Acids
d)
Carbohydrates
177.
What does POLY- mean?
a)
Two
b)
A name for a parrot
c)
Many
d)
One
178.
What are the four types of biological macromolecules?
a)
carbohydrates, nucleotides, lipids, amino acids
b)
carbohydrates, lipids, nucleic acids, proteins
c)
nucleic acids, monosaccharides, proteins, lipids
d)
carbohydrates, amino acids, water, proteins
179.
What are the monomers (building blocks) of CARBOHYDRATES?
a)
Monosaccharides (simple sugars)
b)
Amino Acids
c)
Nucleotides
d)
Glycerol and fatty acids
180.
What are the monomers (building blocks) of NUCLEIC ACIDS?
a)
Monosaccharides (simple sugars)
b)
Amino Acids
c)
Nucleotides
d)
Glycerol and fatty acids
181.
Why are macromolecules also known as "polymers?"
a)
 Many organisms have macromolecules.
b)
They are large molecules added together. 
c)
There are many types of macromolecules. 
d)
They are large molecules made up of many monomers.
182.
_______ is a carbohydrate that forms plant cell walls, and _______ makes hard shells.
a)
Chitin, cellulose
b)
Phospholipid, chitin
c)
Cellulose, chitin
d)
Amino acid, phospholipid
183.
__________________ provide us with quick energy, while _________________ are our secondary energy source.
a)
Lipids, proteins
b)
Carbohydrates, nucleic acids
c)
Proteins, carbohydrates
d)
Carbohydrates, lipids
184.

Not all the high- carbohydrate foods taste sweet. Why?

a)

Sweeter foods must contain more carbohydrates than less sweet foods

b)

Different foods contain different sugars, and some do not taste sweet.

c)

Only foods that contain polysaccharides will taste sweet

d)

The more adapted your taste buds are to certain foods, the sweeter they taste

185.

If this property of a protein is changed, the protein will denature and will no longer function properly

a)

Number of carbon and hydrogen atoms

b)

size

c)

shape

d)

color

186.

What are the building blocks (or monomers) of proteins?

a)

Nucleotides

b)

Monosaccharides

c)

Amino Acids

d)

Glycerols

187.

What type of carbohydrates is healthy?

a)

Monosaccharide

b)

Disaccharide

c)

Polysaccharide

d)

Both A & B

e)

None of the above

188.

Saturated fats are solids at room temperature?

a)

True

b)

False

189.

Oils are liquid at room temperature because they are...

a)

saturated fats

b)

unsaturated fats

c)

have a high boiling point

d)

they are not liquid

190.

What is this molecule called?

a)

nucleotide

b)

fatty acid

c)

amino acid

d)

monosaccharide

e)

glycerol

191.

Which colored box highlights the amino group?

a)

Darker Blue (left)

b)

Turquoise (top)

c)

Orange (right)

d)

Red (bottom)

e)

Purple (middle)

192.

Which colored box is different for every amino acid?

a)

Darker Blue (left)

b)

Turquoise (top)

c)

Orange (right)

d)

Red (bottom)

e)

Purple (middle)

193.

Which colored box is the reason this is an organic molecule?

a)

Darker Blue (left)

b)

Turquoise (top)

c)

Orange (right)

d)

Red (bottom)

e)

Violet (middle)

194.

Which colored box highlights the carboxyl?

a)

Darker Blue (left)

b)

Turquoise (top)

c)

Orange (right)

d)

Red (bottom)

e)

Purple (middle)

195.

What is a long chain of amino acids called?

a)

Polysaccharide

b)

Lipid

c)

Carbohydrate

d)

Polypeptide

e)

Nucleic acid

196.

Two amino acids will bond together as the result of _______.

a)

Dehydration synthesis

b)

Hydrolysis

c)

pHolysis

d)

Rehydration synthesis

197.

Enzymes belong to which category of organic molecule?

a)

Proteins

b)

Lipids

c)

Carbohydrates

d)

Nucleic acids

198.

Which statement about enzymes is FALSE?

a)

They are made from amino acids

b)

They can be used multiple times

c)

They lower the energy needed for reactions

d)

A single enzyme has many different functions

199.

What happens when an enzyme is placed outside it's normal environment?

a)

It functions normally

b)

It functions better

c)

It's function ceases/stops

200.

Proteins are created from the information contained within ____.

a)

nucleic acids

b)

lipids

c)

carbohydrates

d)

enzymes

201.

In total, there are ____ building blocks of proteins.

a)

20

b)

thousands

c)

millions

d)

4

e)

8

202.

Which organelle (cell part) gathers and connects amino acids into long chains? Thus creating a protein.

a)

ribosome

b)

nucleus

c)

mitochondria

d)

chloroplast

e)

lysosome

203.

A protein goes through ____ stages of folding before it is finished.

a)

4

b)

2

c)

3

d)

5

e)

20

204.

If a protein is "denatured", what does that mean?

a)

The protein has broken down

b)

The protein has been created

c)

The protein has folded

d)

The protein has been domesticated

205.

All enzymes ____ the energy needed to complete chemical reactions.

a)

lower

b)

increase

c)

modify

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