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Biology Unit 1

Total questions: 179

Worksheet time: 2hrs 24mins

Name
Class
Date
1.

What are the 6 unifying themes of biology?

a)

cell structure

b)

matter, energy, and organisms

c)

stability and homeostasis

d)

evolution, reproduction, and inheritance

e)

interdependence of organisms

2.

A cell is the basic _________ of _________.

(a)  

3.

All organisms are made of _________?

a)

atoms

b)

cells

c)

bacteria

d)

homeostasis

4.

What does unicellular mean?

a)

one cell

b)

more than one cell

5.

What does multicellular mean?

a)

one cell

b)

more than one cell

6.

Cells are _________?

a)

small and organized

b)

large and organized

c)

small and unorganized

d)

large and unorganized

7.

The largest organism on the planet in the ________, sometimes called the honey mushroom.

a)

human

b)

unicellular

c)

multicellular

d)

armillaria fungus

8.

Biology studies not only the smallest bacteria and viruses, but the largest organism on the planet.

a)

true

b)

false

9.

Biology is defined as the science of animals, the study of all living things.

a)

true

b)

false

10.

What does homeostasis mean?

a)

maintaining a stable internal environment

b)

nature selects the organisms that are best suited for survival

c)

all organisms have the ability to reproduce organisms like themselves

d)

to change over time

11.

All organisms have what ability to reproduce, which means to be able to create organisms like themselves.

a)

true

b)

false

12.

Do all organisms transmit heredity information to their offspring?

a)

yes; organisms transmit heredity information to their offspring

b)

no; organisms do not transmit heredity information to their offspring

13.

DNA contains information for traits called _________?

a)

gens

b)

cells

c)

evolution

d)

reproduction

14.

What is sexual reproduction?

a)

hereditary information from two parts of a single organism of the same species are combined

b)

hereditary information is not combined

15.

What is asexual reproduction?

a)

hereditary information of the same species are combined

b)

hereditary information is not combined

16.

What is evolution?

a)

the mechanism by which evolution occurs

b)

nature selects the organisms that are best suited for survival

c)

populations of organism change over time

d)

all organism have the ability to reproduce organisms like themselves

17.

The mechanism by which evolution occurs is called?

a)

evolution

b)

natural selection

c)

DNA

d)

reproduction

18.

Natural selection is?

a)

where nature selects the organisms that are best suited for survival

b)

populations of organisms change over time

c)

all organisms have the ability to reproduce more organisms like themselves

d)

maintaining a stable internal environment

19.

Do all organisms depend on other organisms for there survival (we are all connected) ?

a)

yes

b)

no

20.

The branch or biology that studies interactions of organisms with each other and their environment is?

a)

ecology

b)

ecosystems

c)

DNA

d)

sampling

21.

What is an environmental community?

a)

ecology

b)

homeostasis

c)

ecosystems

d)

sampling

22.

All organisms require (a)   to survive?

23.

What is the process of creating energy by using the sun

a)

energy

b)

photosynthesis

c)

measuring

d)

sampling

24.

What must obtain their food?

a)

autotrophs

b)

heterotrophs

25.

Heterotrophs...

a)

create their own food

b)

must obtain their food

26.

What are the six characteristics of life?

a)

all living things are made up of cells and are organized (molecular and cellular levels)

b)

all living things use energy; they all metabolize

c)

all living things maintain stable internal conditions and grow (cell division and development)

d)

all species or organisms have the ability to reproduce

27.

When making an observation use at least one of the (a)   to collect information about a subject.

28.

Data that can be measured in numbers for example the number of deer in a park or the number of snakes living in your back yard is called?

a)

measuring

b)

sampling

c)

autotrophs

d)

ecology

29.

Scientific technique fir taking a small part of something and using it to represent the whole group

a)

organizing data

b)

prediction

c)

sampling

d)

prediction

30.

Placing data into easy to read charts or graphs so conclusions may be drawn from in called?

a)

making a prediction

b)

a hypothesis

c)

organizing data

d)

sampling

31.

What is an educated guess about the explanation of a problem called?

a)

theroy

b)

hypothesis

c)

prediction

d)

variable

32.

What is a statement made in advance that states what the outcome of an experiment will be

a)

theory

b)

hypothesis

c)

prediction

d)

sampling

33.

An experiment is the way a (a)   is tested.

34.

A controlled experiment is where a "control group" is set up to compare to the (a)   group.

35.

The control and experimental groups are designed to be the same except for (a)   variable that you can change, which is called the independent carriable.

36.

Which variable can you, the scientist, change?

a)

the independent

b)

the dependent

37.

Which variable can you, the scientist, not change. This variable is dependent upon the other variable.

a)

the independent variable

b)

the dependent variable

38.

A representation of an object or system or process that helps explain them or show relationship among data is called a ?

a)

inference

b)

hypothesis

c)

prediction

d)

model

39.

Model are now created on (a)   many times to save on the cost of creating real world models.

40.

A conclusion made off facts rather than direct observation. They are not directly testable and can be incorrect.

a)

models

b)

hypothesis

c)

prediction

d)

inference

41.

What is a broad comprehensive statement about what is thought to be true?

a)

theory

b)

hypothesis

c)

prediction

d)

model

42.

Theories are supported by a large amount of evidence and may combine several hypotheses.

a)

false

b)

true

43.

Instrument that produces enlarged images of small objects.

a)

magnifying glass

b)

telescope

c)

microscope

d)

model

44.

Refers to the increase in an objects apparent size.

a)

magnifying glass

b)

microscope

c)

minimalization

d)

magnification

45.

This refers to the ability of the microscope to show detail clearly.

a)

magnification

b)

slide deck

c)

resolution

d)

course knob

46.

A (a)   is a type of microscope that is used in a biology class.

47.

How do you calculate the magnification of a microscope?

a)

eye piece magnification X object lens magnification

b)

eye piece magnification/object lens magnification

c)

ad the two lens together

d)

You do not have to calculate it

48.

Which part of the microscope moves the stage up quickly?

a)

coarse adjustment knob

b)

fine adjustment knob

c)

diaphragm

d)

rotating nose piece

49.

Which part of the microscope moves the stage up slowly

a)

coarse adjustment knob

b)

fine adjustment knob

c)

diaphragm

d)

rotating nose piece

50.

what part of the microscope changes the objective lens?

a)

coarse adjustment knob

b)

fine adjustment knob

c)

diaphragm

d)

rotating nose piece

51.

what is the total magnification if the ocular lens is 10x and the objective lens is 4x?

a)

40x

b)

400x

c)

4x

d)

4000x

52.

what part of the microscope hold the slide on the stage?

a)

objective lenses

b)

stage clips

c)

rotating nose piece

d)

fine adjustment

53.

What is number 1?

a)

arm

b)

base

c)

light source

d)

stage

54.

What is number 2?

a)

fine adjustment knob

b)

coarse adjustment knob

c)

light source

d)

base

55.

What is number 3?

a)

fine adjustment knob

b)

coarse adjustment knob

c)

stage

d)

diaphragm

56.

What is number 4?

a)

stage

b)

light source

c)

stage clips

d)

rotating nose piece

57.

What is number 5?

a)

base

b)

stage

c)

light source

d)

arm

58.

What is number 6?

a)

diaphragm

b)

light source

c)

stage

d)

stage clips

59.

What is number 8?

a)

stage

b)

stage clips

c)

base

d)

nose piece

60.

What is number 9?

a)

rotating nose piece

b)

objective lens

c)

ocular lens

d)

adjustment knob

61.

What is number 11?

a)

body tube

b)

ocular lens

c)

nose piece

d)

arm

62.

What is number 12?

a)

body tube

b)

objective lenses

c)

ocular lens

d)

arm

63.

What is a scanning electron microscope?

a)

the normal microscopes we have in class

b)

a microscope that uses electrons to create a flat, 2D image

c)

a microscope that uses electrons to make an image colorful

d)

a microscope that uses electrons to create a 3D image

64.

What is a transmission electron microscope?

a)

The normal microscopes we have in class

b)

a microscope that uses electrons to create a flat, 2D image

c)

a microscope that uses electrons to create a colorful image

d)

a microscope that uses electrons to create a 3D image

65.

Live specimens cannot be used in any electron microscope.

a)

false

b)

true

66.

Why is the water molecule polar??

a)

The electrons spend more time around Hydrogen

b)

The electrons spend more time around Oxygen

c)

The water molecule has ionic bonds

d)

The water molecule has no polarity

67.
Which biomolecule is made of nucleotides and contain you DNA?
a)
Carbohydrate
b)
Lipids
c)
Protein
d)
Nucleic Acid
68.
Which biomolecule has sugars and starches?
a)
Lipids
b)
Proteins
c)
Carbohydrates
d)
Nucleic Acid
69.
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
70.
Which biomolecule includes fats, such as triglycerides, oils, waxes, and steroids (cholesterol); insoluble in water; provides energy storage, insulation, part of cell membrane, and hormones 
a)
Nucleic Acid
b)
Lipids
c)
Carbohydrate
d)
Protein
71.
Identify the biomolecule
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic Acid
72.
What is the monomer for a protein?
a)
Monosaccharide
b)
Triglyceride
c)
Amino Acid
d)
Nucleotide
73.
What two biomolecules are used for energy?
a)
Carbohydrates and Lipids
b)
Nucleic Acids and Protiens
c)
Lipids and Proteins
d)
Proteins and Carbohydrates
74.
An enzyme is what type of biomolecule?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic Acid
75.
What is the function of a nucleic acid?
a)
structure and support
b)
quick, fast energy
c)
long-term energy storage
d)
store and transfer genetic information
76.
What is the function of a lipid?
a)
structure and support
b)
store and transfer genetic information
c)
quick, fast energy
d)
long-term energy storage
77.
What is the function of carbohydrates?
a)
quick, fast energy
b)
structure and support
c)
store and transfer genetic information
d)
long-term energy storage
78.

What is the smallest unit of a macromolecule?

a)

micromolecule

b)

glucose

c)

monomer

d)

polymer

79.

the starting materials in a chemical reaction are called what?

a)

Products

b)

Reactants

c)

Starters

d)

Enders

80.

a substance that is formed as the result of a chemical reaction is called

a)

Product

b)

Reactant

c)

Starters

d)

Enders

81.
What are the basic building blocks for all matter?
a)
atoms
b)
elements
c)
compounds
d)
chemicals
82.
What is a molecule?
a)
Two or more atoms bonded together
b)
One element
c)
One atom
d)
Solid, Liquid, Gas
83.

The substances listed on the right side of a chemical equation are the

a)

Yields

b)

Reactants

c)

Products

d)

Precipitates

84.

The purpose of a catalyst is to:

a)

speed up a reaction

b)

slow down a reaction

c)

create more reactants

d)

stop the reaction

85.

If two substances react and the temperature of the mixture decreases, the reaction is

a)

Exothermic

b)

Endothermic

c)

Idon'tknowthermic

d)

Nocluethermic

86.

The left side of the chemical equation are called the ________.

a)

products

b)

reactants

c)

platypus

d)

molecules

87.

What is needed to break bonds and also released when bonds are broken?

a)

energy

b)

bananas

c)

atoms

d)

electrons

88.

How many valence electrons does each carbon atom have?

a)

2

b)

3

c)

4

d)

1

89.

What gives carbon the ability to form chains of almost unlimited length?

a)

carbon can bond to other carbon

b)

carbon makes covalent bonds

c)

carbon has 6 electrons

d)

carbon has isotopes

90.

Large molecules in living cells are known as ___________.

a)

macromolecules

b)

monomers

c)

atoms

d)

elements

91.

Simple building blocks (or groups of atoms) that attach to other groups to form molecule are called ______________-.

a)

atoms

b)

elements

c)

monomers

d)

polymers

92.

When monomers join together they form ____________.

a)

atoms

b)

elements

c)

monomers

d)

polymers

93.

Which groups below form organic compounds found in living things?

a)

Carbohydrates (sugar)

b)

Lipids (fats)

c)

Proteins (structure)

d)

Nucleic acids (DNA)

94.

In carbohydrates, what is the ratio of Carbon to hydrogen to oxygen.

a)

1:2:1

b)

1: 3

c)

1: 4: 2

95.

A carbohydrate that contain two monosaccharide units bound together by a covalent bond.

a)

monosaccharide

b)

disaccharides

c)

saccharides

d)

polysaccharides

96.

It is a polysaccharide that is a major component of the plant's cell wall.

a)

cellulose

b)

glycogen

c)

glucose

d)

starch

97.

Which polysaccharide is used by plants to store glucose?

a)

glycogen

b)

cellulose

c)

starch

d)

chitin

98.
How many sugar units make up disaccharides?
a)
one
b)
two
c)
three
d)
zero
99.
How many sugar units make up monosaccharides?
a)
one
b)
two
c)
three
d)
zero
100.
How many sugar units make up polysaccharides?
a)
one
b)
two
c)
more than two
d)
zero
101.
All carbohydrate names end with which ending:
a)
ise
b)
ase
c)
ese
d)
ose
102.
Which do all carbohydrates do for us?
a)
provide energy
b)
make muscle
c)
make brains
d)
make hair
103.
The 3 categories of carbohydrates are:
a)
Monosaccharide, disaccharide, polysaccharide
b)
glucose, fructose, galatose
c)
starch, cellulose, chitin
d)
There are no categories of carbohydrates
104.
What happens if you eat more carbohydrates then your body needs?
a)
becomes DNA 
b)
turns to fat 
c)
creates extra energy 
d)
becomes waste
105.
Which macromolecule is made of simple and complex sugars?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
106.

What is the main function of carbohydrates?

a)

Supply most of the energy that cells need

b)

To store energy (long-term)

c)

To speed up chemical reactions

d)

To store, copy, and transmit genetic information

107.
What is the function of ATP in living things?
a)
provides energy for cells
b)
stores genetic information
c)
provides structure in the nucleus
108.
What does the "TP" in ATP stand for?
a)
2 phosphates
b)
tri (3) phosphates
c)
Two proteins
d)
tri (3) proteins
109.
Which bond of the ATP molecule is broken in order to release energy?
a)
A
b)
B
c)
C
d)
D
110.
Which is considered to be a lower energy molecule?
a)
ARP
b)
AGT
c)
ATP
d)
ADP
111.
How do lipids function for cells?
a)
store information
b)
store energy
c)
breakdown wastes
d)
join with substrates
112.

Lipids are composed of which atoms?

a)

Hydrogen, Oxygen, Nitrogen

b)

Hydrogen, Oxygen, Carbon

c)

Oxygen, Nitrogen, Carbon

d)

Oxygen, Nitrogen, Hydrogen

113.
What are different examples of lipids?
a)
monosaccahrides, disaccharides, starch, cellulose
b)
dipetide, polypeptide, amino acids
c)
DNA, RNA, ATP
d)
triglycerides, waxes, steroids, phospholipds
114.
Cellular respiration is...
a)
the process by which cells break down glucose into energy. 
b)
the process by which cells break light down into energy. 
c)
the process by which cells communicate with other cells. 
115.

This macromolecule is used for long term energy storage.

a)

protein

b)

simple carbohydrate

c)

complex carbohydrate

d)

lipid

116.
What is a protein: 
a)
A polymer composed of many sugars.
b)
A polymer composed of many amino acids. 
c)
A polymer composed of fatty acids. 
d)
A polymer composed of nucleotides. 
117.
What is a peptide bond?
a)
Bond that holds two amino acids together.
b)
A bond that holds hydrogen and oxygen molecules together.
c)
A bond that holds the phosphate group of one nucleotide and a sugar of a neighboring nucleotide.
d)
A bond that is formed by the sharing of electrons.
118.
What is a peptide bond?
a)
Bond that holds two amino acids together.
b)
A bond that holds hydrogen and oxygen molecules together.
c)
A bond that holds the phosphate group of one nucleotide and a sugar of a neighboring nucleotide.
d)
A bond that is formed by the sharing of electrons.
119.
How many different amino acids are there?
a)
15
b)
20
c)
25
d)
30
120.
Enyzmes are a very important type of protein used to
a)
Build bones in skeleton
b)
Send hormonal signals throughout body
c)
Speed up chemical reactions
d)
Photosynthesize glucose in plants
121.
What is the monomer of proteins?
a)
amino acids
b)
polypeptides
c)
nucleotides
d)
monosaccharides
122.
Enyzmes are a very important type of protein used to
a)
Build bones in skeleton
b)
Send hormonal signals throughout body
c)
Speed up chemical reactions
d)
Photosynthesize glucose in plants
123.
Cells must produce many different enzymes because
a)
enzymes are quickly used up
b)
most cellular reactions require a specific, unique enzyme
c)
They have to have some way to use up the protein that they consume
d)
enzymes are not very effective at speeding up reactions
124.

Hemoglobin is a protein that binds to oxygen and helps carry it in the blood and deliver it to other parts of the body. This is an example of what type of protein?

a)

Transport

b)

Signaling

c)

Storage

d)

Contractile

125.

Type of protein that breaks down nutrients so that they can be absorbed by the body.

a)

Contractile proteins

b)

Structural proteins

c)

Digestive enzyme

d)

Signaling proteins

126.

Which type of protein gives shape to different cell and body parts?

a)

Signaling

b)

Storage

c)

Contractile

d)

Structural

127.

Which reaction is needed to bond two amino acids together?

a)

Dehydration

b)

Dehydrogenation

c)

Hydration

d)

Hydrolysis

128.

Which reaction is needed to break the bond between two amino acids?

a)

Dehydration

b)

Dehydrogenation

c)

Hydration

d)

Hydrolysis

129.

What is another function of consuming proteins?

a)

Improves appetite

b)

Improves bone health

c)

Boosts metabolism

d)

Improves sleep

e)

Boosts cholesterol levels

130.
DNA and RNA are examples of...
a)
proteins
b)
nucleic acids
c)
carbohydrates
d)
lipids
131.
What is the function of nucleic acids?
a)
Stores energy
b)
Stores genetic information
c)
Movement
d)
Physical structure
132.

The monomers of nucleic acids are

a)

Nucleotides

b)

Amino Acids

c)

Glycerol

d)

Glucose

133.

What is used by cells for energy?

a)

DNA

b)

ATP

c)

RNA

d)

ADP

134.

What is stored in the chemical bonds of ATP?

a)

Sugar

b)

Neutrons

c)

Energy

d)

Protein

135.

What happens when the end phosphate is broken off a molecule of ATP?

a)

Energy is stored

b)

Energy is released

c)

Neutrons are stored

d)

Neutrons are released

136.

What is produced when the last phosphate group is removed from ATP?

a)

DNA

b)

ADP and phosphate

c)

RNA

d)

Amino Acids and Peptide bonds

137.

What suffix tells identifies an enzyme?

a)

ose

b)

ese

c)

ise

d)

ase

138.
Which substance plays a major role in most of the chemical reactions that occur in a living cell?
a)
water
b)
glycogen
c)
glycerol
d)
maltose
139.
Water is a universal solvent
a)
True
b)
False
140.
The chemical compound of water is
a)
HO
b)
H2O
c)
H3O
d)
HO2
141.
A Compound that is being dissolved is called a
a)
Solution
b)
Solute
c)
Solvent
d)
Suspension
142.
A solvent is...
a)
substance into which the solute dissolves
b)
a compound being dissolved
c)
a substance that does not dissolve
d)
None of the above
143.
A water strider can skate along the top of a pond because:
a)
covalent bonds result in water cohesion
b)
hydrogen bonds result in water cohesion (surface tension)
c)
water striders have adapted to take advantage of water cohesion
d)
low surface tension of water
144.
Why can water have no net charge but have slight charges in different parts of the molecule?
a)
The oxygen end is slightly negative and the hydrogen end is slightly positive
b)
The hydrogen end is slightly negative and the oxygen end is slightly positive
c)
The hydrogen and oxygen ends change in polarity
d)
Because it is hydrophobic
145.
Attractions between water molecules are called
a)
Covalent bonds
b)
Ionic bonds
c)
Polar bonds
d)
Hydrogen bonds
146.
Acids have more what? 
a)
OH ions 
b)
OH- ions
c)
H+ ions 
d)
All of the above 
147.
Water is polar because...
a)
The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.
b)
The molecule has two poles, at which the it is colder than other regions of the molecule.
c)
The unequal sharing of electrons gives the water molecule a slight negative charge near its hydrogen atoms and a slight positive charge near its oxygen atom.
d)
The water molecule is neutral.
148.
True or false, water is a polar molecule? 
a)
True 
b)
False 
149.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
150.
The attraction that causes water and other liquids to form drops on thin films is called ________________. This is also water’s ability to be attraction to other water molecules.
a)
adhesion
b)
capillary action
c)
cohesion
d)
surface tension
151.
The attraction that causes water and other liquids to form drops on thin films is called ________________. This is also water’s ability to be attraction to other water molecules.
a)
adhesion
b)
capillary action
c)
cohesion
d)
surface tension
152.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-14
d)
1-20
153.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
154.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
155.
What is an element?
a)
An element is an atom and two atoms
b)
An element is one or more atoms of the same kind.
c)
An element is more than one of different kinds
156.
What is a compound?
a)
One single atom
b)
Many atoms of the same element
c)
A molecule made of more than one element
d)
Everything is made of matter 
157.
The smallest particle that all matter is made from is ....
a)
Matter
b)
Elastic Energy
c)
a Atom
d)
some Helium 
158.

Molecules are formed through ___ bonds while compounds are typically formed through ___ bonds.

a)

covalent, ionic

b)

ionic, covalent

c)

covalent, hydrogen

d)

hydrogen, ionic

159.

Weak ___ bonds form between water molecules because of water's property of polarity.

a)

hydrogen

b)

covalent

c)

ionic

d)

liquid

160.

A(n) ___ helps to bring a pH close to 7.

a)

buffer

b)

acid

c)

base

d)

neutral

161.

What is the basis of hydrogen bond?

a)

Attraction forces between hydrogen atom bonded with another hydrogen atom

b)

Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N)

c)

Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N) with atom (F, O, N) of another molecule

d)

Attraction forces between hydrogen atom with another hydrogen atom of another molecule

162.
Proteins are polymers formed from 
a)
lipids.
b)
carbohydrates.
c)
amino acids.
d)
nucleic acids.
163.

Organic compounds

a)

are made only of carbon

b)

contain carbon bonded to hydrogen and nothing else

c)

contain carbon bonded to hydrogen

d)

contain only oxygen

164.
The maintenance of an organism’s internal environment is called:
a)
compensating
b)
homeostasis
c)
balancing
d)
routine
165.

What is a functional group?

a)

Group of atoms that give specific characteristics to a molecule

b)

Group of molecules that give specific characteristics to an atom

c)

Group of molecules that make up a group of atoms

d)

Group of atoms that give specific characteristics to an element

166.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
167.

The process of adding water in order to break bonds within a polymer....

a)

Condensation Reaction

b)

Hydrolysis

168.

The process of digesting a large molecule into many smaller molecules by breaking bonds is called....

a)

Condensation Reaction

b)

Hydrolysis

169.

The process of making a polymer by bonding together monomers is called

a)

Condensation Reaction

b)

Hydrolysis

170.

ATP stands for ____.

a)

adenosine triphosphate.

b)

adenine tertiary polymer

c)

adenosine tripeptide

171.

What is the ultimate source for producing ATP?

a)

Water

b)

Salt

c)

Foods

172.

When ATP loses a terminal phosphate, it becomes _____.

a)

adenosine monophosphate

b)

adenine triphosphate

c)

adenosine diphosphate

173.
What is a protein: 
a)
A polymer composed of many sugars.
b)
A polymer composed of many amino acids. 
c)
A polymer composed of fatty acids. 
d)
A polymer composed of nucleotides. 
174.

What is a long chain of amino acids called?

a)

Polysaccharide

b)

Lipid

c)

Carbohydrate

d)

Polypeptide

e)

Nucleic acid

175.
The energy needed to start a reaction
a)
activation energy
b)
adhesion energy
c)
chemical energy
d)
cohesion energy
176.
The area that the substrate fits into on the enzyme is called the:
a)
Active Site
b)
Allosteric Site
c)
DiSulphide Bridge
d)
β-Pleated Sheet
177.

As temperature increases, the rate of reaction for enzymes will generally ______.

a)

increase

b)

decrease

c)

not be affected

178.

Fill in the blank: Enzymes act as __________ which speed up chemical reactions.

a)

Competitors

b)

Co enzymes

c)

Catalysts

d)

Tiny sumo wrestlers

179.

How do enzymes speed up chemical reactions. Select all that apply.

a)

They heat up molecules in their vicinity which makes them react faster

b)

They lower activation energy (energy required to start a reaction)

c)

They do a sort of molecular hug and weaken chemical bonds

d)

They sing love songs to lure substrates into their active site

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