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Hon Review: Biomolecules, Enzymes, Water Properties

Total questions: 44

Worksheet time: 1hrs 24mins

Name
Class
Date
1.
What biomolecule do enzymes belong to? 
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
2.
Which biomolecule is a main source of quick energy?
a)
Nucleic Acid
b)
Protein
c)
Lipid
d)
Carbohydrate
3.
Which biomolecule is found in fats, oils, and waxes and is a source of long-term energy? 
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
4.
What is the function of a nucleic acid?
a)
Stores genetic information
b)
Stores energy
c)
Quick source of energy
d)
Builds structures
5.
Carbon, Hydrogen, Oxygen and Nitrogen are elements in what biomolecule?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic acid
6.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
7.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
8.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
9.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
10.
Which biomolecule is made of nucleotides and contain you DNA?
a)
Carbohydrate
b)
Lipids
c)
Protein
d)
Nucleic Acid
11.

Which biomolecule helps form muscles?

a)

Nucleic Acid

b)

Carbohydrate

c)

Protein

d)

Lipids

12.
What type of molecule is this?
a)
Nucleic acid
b)
Protein
c)
Carbohydrate
d)
Lipid
13.
What elements are common to all 4 biomolecules?
a)
Carbon, hydrogen, nitrogen
b)
Carbon, Nitrogen, Phosphorus
c)
Carbon, Hydrogen, Oxygen
d)
Carbon, Hydrogen, Phosphorus
14.
A monomer is ...
a)
a single atom
b)
a building block for polymers
c)
a single element
d)
is an inorganic molecule
15.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
16.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
17.

glucose is an example of (2 answers)

a)

complex sugars

b)

monosaccharide

c)

disaccharide

d)

polysaccharide

e)

simple sugar

18.

A sugar that is a polysaccharide is made up of how many sugars?

a)

one

b)

two

c)

more than two

19.

Carbon, hydrogen, oxygen, nitrogen, and phosphorous make up which biomolecule?

a)

Protein

b)

Carbohydrates

c)

Lipids

d)

Nucleic acid

20.

Which two biomolecules are made up only of carbon, hydrogen, and oxygen?

a)

Protein and Nucleic Acid

b)

Protein and Lipid

c)

Carbohydrate and Lipid

d)

Carbohydrate and Nucleic Acid

21.

What is the monomer for carbohydrates?

a)

Amino acid

b)

Nucleotide

c)

glycerol with fatty acid

d)

glucose

22.
What is the monomer of nucleic acids?
a)
Glycerol
b)
Monosaccharides
c)
Amino Acids
d)
Nucleotides
23.
What is the monomer for a protein?
a)
Monosaccharide
b)
Triglyceride
c)
Amino Acid
d)
Nucleotide
24.
Which biomolecule is important source of energy for humans; glucose for human cells, tissues, and organs; provides fiber, sugar, and starches; provides structural support, cell wall, and cell membrane maker?
a)
Nucleic Acid
b)
Lipid
c)
Carbohydrate
d)
Protein
25.
Which biomolecule functions include enzymes­ which speeds the rate of chemical reactions, structural components in cells, mechanical functions in muscles and cytoskeleton, cell signaling, and immune response; provides structure and helps with chemical reactions 
a)
Protein
b)
Lipids
c)
Carbohydrate
d)
Nucleic Acid
26.

What kind of molecule is water?

a)

Ionic

b)

Polar Covalent

c)

Nonpolar Covalent

d)

Metallic

27.

Which of the following can water NOT dissolve?

a)

Salt

b)

Sugar

c)

Oil

d)

Baking Soda

28.

Which part of a water molecule has a Positive Charge?

a)

The Hydrogen

b)

The Oxygen

c)

The Top

d)

The Bottom

29.

What is the correct chemical formula for water?

a)

H2O

b)

HO2

c)

H2O2

d)

2H1O

30.

Which of the following is an example of COHESION?

a)

water sticking to water

b)

water sticking to glass

c)

oil sticking to plastic

d)

hydrogen sticking to oxygen

31.

Which part of a water molecule has a Negative Charge?

a)

The Hydrogen

b)

The Oxygen

c)

The Left

d)

The Right

32.

Water is polar. What does that mean?

a)

it is a molecule with opposite charges on opposite ends

b)

it is a molecule with no charge

c)

it is a molecule with identical charges on opposite ends

d)

it is a molecule with too many protons

33.

Water sticks well to many materials. What term relates to this property of water?

a)

cohesion

b)

adhesion

c)

density

d)

surface tension

34.

What is the term for water's ability to defy gravity and climb up a tube?

a)

Capillary Action

b)

Specific Heat

c)

Universal Solvent

d)

Magic

35.

At what temperature does water Freeze?

a)

0o C

b)

100o C

c)

32o C

d)

-273o C

36.

A water strider can skate along the top of a pond because:

a)

covalent bonds result in water cohesion (surface tension)

b)

hydrogen bonds result in water cohesion (surface tension)

c)

water striders have adapted to take advantage of water cohesion

d)

water striders are afraid of water and avoid it

37.

At what temperature does water Boil?

a)

0o C

b)

100o C

c)

32o C

d)

212o C

38.
What is adhesion?
a)
Water's ability to stick to itself
b)
Water's ability to stick to other substances
c)
The strength of the cohesion of all the water molecules combined
d)
Tape, glue and other adhesives
39.

Why does ice float?

a)

water expands when it freezes, making ice less dense than water

b)

water compacts when it freezes, making ice more dense than water

c)

hydrogen bonds in water push the ice to the surface

d)

ice is afraid of water, and avoids it

40.
What is cohesion?
a)
Water's ability to stick to itself
b)
Water's ability to stick to other substances
c)
The strength of the cohesion of all the water molecules combined
d)
Tape, glue and other adhesives
41.
Large bodies of water do not quickly fluctuate in temperature. Why?
a)
Water is a solvent.
b)
Water has a high heat capacity.
c)
Water acts as a buffer.
d)
Water is non-polar.
42.
Water is a universal solvent because it...
a)
It can be found anywhere
b)
It freezes when it gets cold
c)
floats when frozen
d)
Dissolves most substances
43.
The tightness across the surface of water that enables paper clips to float is ____________.
a)
adhesion
b)
capillary action
c)
surface tension
d)
polarity
44.
Which statement explains why water molecules stick together?
a)
both sides are negative
b)
one side has a positive charge and the other side has a negative charge
c)
one side has a negative charge adn the other side has a neutral charge
d)
both sides are positive

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