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WorksheetsFall 2022 Semester review
Total questions: 202
Worksheet time: 4hrs 6mins
Name
Class
Date
1.
Water droplets of dew (condensation) stick to blades of grass in the morning.
a)
surface tension
b)
density
c)
adhesion
d)
capillary action
2.
Hot water dissolves sugar for sweet tea.
a)
universal solvent
b)
buoyancy
c)
adhesion
d)
cohesion
3.
Two water droplets join together to make a larger droplet.
a)
universal solvent
b)
buoyancy
c)
adhesion
d)
cohesion
4.
Water on a penny will make a dome due to water's polarity, ___ & ___
a)
universal solvent and density
b)
buoyancy and specific heat
c)
adhesion and capillary action
d)
cohesion and surface tension
5.
The ocean remains cold during the day even when the sand and parking areas surrounding the beach get very hot.
a)
surface tension
b)
density
c)
universal solvent
d)
high specific heat
6.
Ice floats in water
a)
surface tension
b)
less dense as a solid
c)
universal solvent
d)
specific heat
7.
Water moves up a paper towel faster than oil or alcohol.
a)
surface tension
b)
density
c)
cohesion
d)
capillary action
8.
Pepper floats on the top of water until soap interferes with the water's___
a)
surface tension
b)
density
c)
cohesion
d)
capillary action
9.
Roots of a tree absorb and pull water up from the soil by
a)
surface tension
b)
density
c)
cohesion
d)
capillary action
10.
Water level in a straw or pipet will be above the water level of the container it is in.
a)
surface tension
b)
density
c)
cohesion
d)
capillary action
11.
How does a hydrogen bond form?
a)
Between the positive hydrogen of one water molecule and the negative oxygen of another
b)
Between the positive hydrogen of one water molecule and the negative hydrogen of another
c)
Between the positive oxygen of one water molecule and the negative oxygen of another
d)
Between the positive hydrogen of one water molecule and the positive hydrogen of another
12.
Which end of a water molecule has a positive charge?
a)
The hydrogen side
b)
The oxygen side
c)
There is no positive charge
d)
Both sides are positive
13.
Because it has a positive and negative charge, water is said to be what kind of molecule?
a)
a magnetized molecule
b)
a soluble molecule
c)
a polar molecule
d)
a tropical molecule
14.
What is the name for a substance the gets dissolved?
a)
solvent
b)
solute
c)
fresh water
d)
sodium hydroxide
15.
The charge of oxygen in a water molecule is ______________.
a)
negative
b)
neutral
c)
positive
d)
balanced
16.
The energy needed to change a liquid to a gas.
a)
Heat of vaporization
b)
Specific Heat
c)
Cohesion
d)
Adhesion
17.
Does the flavor of ice cream effect how fast the ice cream melts?
a)
independent
b)
dependent
18.
Does changing the wing shape to make it more narrow affect the distance a paper airplane will fly?
a)
independent
b)
dependent
19.
How does watching TV during studying affect a student’s test grades?
a)
independent
b)
dependent
20.
Do roses grow more in height in partial or direct sunlight?
a)
independent
b)
dependent
21.
Butter bean seeds were placed in petri dishes lined with moist paper towel for 5 days at different temperatures & germination was measured. Which of the following is the independent variable?
a)
Number of seeds
b)
Time
c)
Temperature
d)
Type of seed
22.
The total magnification of an object under the microscope with an objective of 40 is _______.
a)
400x
b)
100x
c)
40x
d)
50x
23.
Which would be a qualitative observation?
a)
The color of milk
b)
The number of eggs used
c)
The temperature at which the egg boiled
d)
The time it took the egg to cook
24.
Does the temperature of water affect the time it takes a sugar cube to dissolve?
a)
IV: Type of water
DV: Dissolving rate
DV: Dissolving rate
b)
IV: Temperature of water
DV: type of sugar cube
DV: type of sugar cube
c)
IV: Temperature of Water
DV: Dissolving Rate
DV: Dissolving Rate
d)
IV: Time
DV: Number of sugar
DV: Number of sugar
25.
Who grows taller, people who drink milk or soda? A group of 7th graders were give three cups of milk daily for two months. They were also given FF & candy for three meals a day. The second group was given three cups of soda daily for two months. They also ate healthy meals daily. At the end of two months, the groups were measured for growth.
What is wrong with this experiment?
I. The teacher was not specific with the type of soda
II. Both groups should have eaten the same type of food
III. Too many independent variables
IV. Nothing is wrong
What is wrong with this experiment?
I. The teacher was not specific with the type of soda
II. Both groups should have eaten the same type of food
III. Too many independent variables
IV. Nothing is wrong
a)
I & IV
b)
II & IV
c)
III only
d)
I, II, III
26.
Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the constant.
a)
distance traveled by the ball
b)
height of the ramp
c)
mass of the ball
d)
weight of the ball
27.
Mr. S. normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his control trial?
a)
type of reward
b)
trials done with new rewards
c)
trials done with praise
d)
the leash that he uses
28.
For 1-6 Match the verbal description with the part of the graph it describes.
1. Stays the same.
1. Stays the same.
a)
F
b)
A
c)
D
d)
C
29.
Describe the situation.
a)
Sales decrease quickly at a constant rate, and then increase slowly at a constant rate.
b)
Sales stay constant, then decrease at a constant rate, and increase slowly.
30.
Describe the situation.
a)
Hair length increases at a constant rate, then decreases instantly, then increases at a constant rate, then decreases instantly, and then increases at a constant rate.
b)
Hair length decreases at a constant rate, then decreases instantly, then decreases, then increases instantly, and then decreases at a constant rate.
31.
Describe the situation.
a)
Horsepower increases at an increasing rate and then increases slowly.
b)
Horsepower increases at a constant rate and then increases slowly.
32.
Taylor Swift is riding her bike to the store. Which best describes her trip along section E?
a)
Stopping
b)
Heading to the store
c)
Heading home
d)
At the store
33.
Hot glass looks the same as cold glass.
a)
True
b)
False
34.
When is it OK to eat or drink at the lab tables?
a)
Always
b)
During group work, but not during lab activities
c)
Never
d)
During lab activities
35.
a)
beaker
b)
flask
c)
graduated cylinder
d)
test tube
36.
a)
buret
b)
disposable pipette
c)
dropper
d)
thermometer
37.
a)
Erlenmeyer flask
b)
Volumetric flask
c)
beaker
d)
graduated flask
38.
a)
buret
b)
erlenmeyer flask
c)
graduated cylinder
d)
beaker
39.
a)
ignition tubes
b)
test tubes
c)
graduated cylinders
d)
burets
40.
What temperature does the thermometer show?
a)
31° C
b)
35° C
c)
32° C
d)
39° C
41.
What is measured with a graduated cylinder?
a)
Passage of time
b)
Distance from one thing to another
c)
Weight of an object
d)
Volume of liquid
42.
Where do we read the level of liquid?
a)
The highest point the liquid touches
b)
The bottom of the meniscus
c)
Half way between, we make an educated guess and round it
d)
Somewhere about there
43.
Holds objective lenses; Rotatates to change objectives
a)
Arm
b)
Base
c)
Revolving Nosepiece
d)
Diaphragm
44.
Hold the slide in place on the stage
a)
Stage
b)
Stage Clips
c)
Aperature
d)
Light Source
45.
Moves the stage slightly to sharpen the image
a)
Body Tube
b)
Course Focus Knob
c)
Aperature
d)
Fine Focus Knob
46.
Regulates the amount of light on the specimen
a)
Diaphragm
b)
Aperature
c)
Ocular Lens
d)
Objective Lenses
47.
Long tube; holds ocular lens and revolving nosepiece
a)
Base
b)
Arm
c)
Diaphragm
d)
Body Tube
48.
Lens used to view specimen; also called eyepiece
a)
Scanning Lens
b)
Objective Lens
c)
Ocular Lens
d)
Illuminator
49.
Handle used to support the microscope when carried
a)
Base
b)
Revolving Nosepiece
c)
Light Source
d)
Arm
50.
Supports the microscope and located at the bottom
a)
Base
b)
Arm
c)
Body Tube
d)
Stage
51.
Lenses consist of low 4X, medium 10X, and high 40X
a)
Eyepiece
b)
Ocular Lens
c)
Objective Lenses
d)
Illuminators
52.
Place where slide is placed on while being viewed
a)
Base
b)
Stage Clips
c)
Diaphragm
d)
Stage
53.
Moves stage up and down for focusing; large amounts
a)
Fine Focus Knob
b)
Large Focus Knob
c)
Course Focus Knob
d)
Small Focus Knob
54.
Projects and provides light upward to view specimen; illuminator
a)
Aperature
b)
Light Source
c)
Stage
d)
Stage Clips
55.
Opening on stage that allows light to pass onto specimen
a)
Base
b)
Arm
c)
Body Tube
d)
Aperature
56.
What will be the total magnification if ocular lens is 10X and objective lens is 4X?
a)
4X
b)
40X
c)
10X
d)
100X
57.
What will be the total magnification if the ocular lens is 10X and the objective lens is 40X?
a)
40X
b)
10X
c)
100X
d)
400X
58.
What will be the total magnification if the ocular lens is 10X and the objective lens is 10X?
a)
10X
b)
100X
c)
1000X
d)
1X
59.
What is #1?
a)
Golgi bodies
b)
smooth endoplasmic reticulum
c)
rough endoplasmic reticulum
d)
Nucleus
e)
Nucleolus
60.
What is #11?
a)
Golgi bodies
b)
smooth endoplasmic reticulum
c)
rough endoplasmic reticulum
d)
Nucleus
e)
Nucleolus
61.
What is #2?
a)
Golgi bodies
b)
smooth endoplasmic reticulum
c)
rough endoplasmic reticulum
d)
Nucleus
e)
Nucleolus
62.
What is #9?
a)
Golgi bodies
b)
smooth endoplasmic reticulum
c)
rough endoplasmic reticulum
d)
Nucleus
e)
Nucleolus
63.
What is #10?
a)
Golgi bodies
b)
smooth endoplasmic reticulum
c)
rough endoplasmic reticulum
d)
Nucleus
e)
Nucleolus
64.
What is #3?
a)
Plasma membrane
b)
Ribosome
c)
Centriole
d)
Chloroplast
e)
Mitochondria
65.
What is #4?
a)
Plasma membrane
b)
Ribosome
c)
Centriole
d)
Chloroplast
e)
Mitochondria
66.
What is #7?
a)
Plasma membrane
b)
Ribosome
c)
Centriole
d)
Chloroplast
e)
Mitochondria
67.
What is #6?
a)
Plasma membrane
b)
Ribosome
c)
Centriole
d)
Chloroplast
e)
Mitochondria
68.
What is #1?
a)
Central vacuole
b)
Nucleus
c)
Nucleolus
d)
Cytoplasm
69.
What is #4?
a)
Central vacuole
b)
Nucleus
c)
Nucleolus
d)
Cytoplasm
70.
What is #9?
a)
Central vacuole
b)
Nucleus
c)
Nucleolus
d)
Cytoplasm
71.
What is #5?
a)
Central vacuole
b)
Nucleus
c)
Nucleolus
d)
Cytoplasm
72.
What is #7?
a)
Cell wall
b)
Cell membrane
c)
Mitochondria
d)
Chloroplast
73.
What is #2?
a)
Cell wall
b)
Cell membrane
c)
Mitochondria
d)
Chloroplast
74.
What is #12?
a)
Cell wall
b)
Cell membrane
c)
Mitochondria
d)
Chloroplast
75.
What is #10?
a)
Cell wall
b)
Cell membrane
c)
Mitochondria
d)
Chloroplast
76.
What structure is shown in Diagram A?
a)
Cilia
b)
Flagella
c)
Pseudopod
d)
Nucleus
77.
What structure is shown in Diagram B?
a)
Cilia
b)
Flagella
c)
Pseudopod
d)
Nucleus
78.
Movement of particles from high to low concentration.
a)
Passive Transport
b)
Active Transport
79.
a)
Passive Transport
b)
Active Transport
80.
Osmosis is a form of ______________.
a)
Passive Transport
b)
Active Transport
81.
a)
Passive Transport
b)
Active Transport
82.
a)
Passive Transport
b)
Active Transport
83.
Solutes move with the concentration gradient, therefore no energy is used.
a)
Passive Transport
b)
Active Transport
84.
Movement of materials from high to low concentration through a protein channel.
a)
Passive Transport
b)
Active Transport
85.
a)
Passive Transport
b)
Active Transport
86.
a)
Passive Transport
b)
Active Transport
87.
a)
Passive Transport
b)
Active Transport
88.
a)
Passive Transport
b)
Active Transport
89.
ATP is a form of energy.
a)
Passive Transport
b)
Active Transport
90.
Exocytosis
a)
Passive Transport
b)
Active Transport
91.
Endocytosis
a)
Passive Transport
b)
Active Transport
92.
Low to High
a)
Passive Transport
b)
Active Transport
93.
Solutes move against the concentration gradient, therefore energy is needed.
a)
Passive Transport
b)
Active Transport
94.
Uses ATP (energy)
a)
Passive Transport
b)
Active Transport
95.
This uses energy
a)
endocytosis
b)
exocytosis
c)
both
96.
This takes substances into a cell
a)
endocytosis
b)
exocytosis
c)
both
97.
What is it called when molecules move across the cell membrane from an area of high concentration to an area of low concentration through a carrier protein?
a)
Diffusion
b)
Osmosis
c)
Active Transport
d)
Facilitated Diffusion
98.
A balance that an organism maintains by regulating what goes into and out of the cell.
a)
Hypertonic
b)
Homeostasis
c)
Plasmolysis
d)
Hypotonic
99.
The process of engulfing food or liquid particles into the cell.
a)
Osmosis
b)
Exocytosis
c)
Endocytosis
d)
Diffusion
100.
Which type of cellular transport moves molecules from low concentrations to high concentrations?
a)
Osmosis
b)
Diffusion
c)
Passive Transport
d)
Protein Pumps
101.
The release of large particles, often waste materials from the inside of the cell to the outside of the cell.
a)
Osmosis
b)
Exocytosis
c)
Endocytosis
d)
Diffusion
102.
What type of transport uses transport (channel) proteins to help molecules move from higher to lower concentrations?
a)
Protein Pumps
b)
Diffusion
c)
Facilitated Diffusion
d)
Osmosis
103.
What type of solution has more solutes and less water than a cell that it contains?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
None of the Above
104.
What happens to a plant cell that is placed into a hypotonic solution?
a)
It shrinks
b)
Plasmolysis
c)
It swells
d)
Cytolysis
105.
A cell with a 5% salt solution is placed into a beaker with a 10% salt solution. This solution is considered to be _____ to the cell.
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
None of the Above
106.
A cell with a 5% salt solution is placed into a beaker with a 10% salt solution. What will happen to the cell?
a)
It will shrink
b)
It will swell
c)
No change
d)
Cytolysis
107.
A cell with a 20% salt solution is placed into a beaker of pure water. What will happen to the cell?
a)
It will shrink
b)
Plasmolysis
c)
No change
d)
Cytolysis
108.
A cell with a 10% salt solution is placed into a beaker with a 40% salt solution. How will water move?
a)
It will leave the cell
b)
It will enter the cell
c)
It will move in and out equally
d)
There will be no movement
109.
A plant cell with a 20% salt solution is placed into a beaker with a 10% salt solution. What will happen to the plant cell?
a)
Cytolysis
b)
Plasmolysis
c)
It will shrink
d)
It will swell
110.
A cell with a 10% salt solution is placed into a beaker with a 40% salt solution. How will water move?
a)
It will leave the cell
b)
It will enter the cell
c)
It will move in and out equally
d)
There will be no movement
111.
This organelle takes food and turns it into ENERGY for plant and animal cells.
a)
Chloroplast
b)
Mitochondria
c)
Lysosome
d)
Ribosome
112.
Directs all cell activities through the DNA located there.
a)
Lysosomes
b)
Nucleus
c)
ribosomes
d)
Mitochondria
113.
I am a protein packaging and shipping machine! Who am I?
a)
vacuole
b)
ribosome
c)
mitochondrion
d)
golgi apparatus
114.
You might think of me as the trash collector, but recycler is maybe more accurate. What am I?
a)
mitochondria
b)
lysosome
c)
vacuole
d)
ribosome
115.
Where are proteins made?
a)
Golgi body
b)
Mitochondria
c)
Chromosomes
d)
Ribosomes
116.
What are tiny organelles that convert glucose into ATP?
a)
Ribosomes
b)
Vesicles
c)
Cytoskeleton
d)
Mitochondria
117.
A rigid layer that lies outside the cell's membrane is...
a)
Cytoskeleton
b)
Cilia
c)
Cell Wall
d)
Flagella
118.
What organelle helps with cell digestion?
a)
Lysosomes
b)
Ribosomes
c)
Golgi Complex
d)
ER
119.
What is the gel-like substance inside of cells called?
a)
photoplasm
b)
photosynthesis
c)
cytoskeleton
d)
cytoplasm
120.
Using this image, what organelle is C?
a)
Cell Wall
b)
Mitochondria
c)
Large Cell Vacuole
d)
Chloroplast
121.
What is the function of the mitochondria?
a)
Structure that manufactures ribosomes
b)
Structures that converts nutrients to energy
c)
Stack of membranes that packages chemicals
d)
Structure that contains DNA and directs the cell
122.
What is the function of the vacuole?
a)
Sac that stores water, nutrients, and waste products
b)
Sac filled with digestive chemicals
c)
Jelly-like substance within the plasma membrane
d)
stack of membranes that packages chemicals
123.
What is the function of nucleus?
a)
Structure that organizes motion of chromosomes.
b)
Structure that contains DNA and directs the cell
c)
Membrane that surrounds and protects the cell
d)
Stack of membranes that packages chemicals
124.
I store water in both plant and animal cells. What am I?
a)
cytoplasm
b)
ribosomes
c)
vacuole
d)
lysosomes
125.
What does this organism use for movement?
a)
Pseudopod
b)
Cilia
c)
Flagella
d)
legs
126.
What does this organism use for movement?
a)
Pseudopod
b)
Cilia
c)
Flagella
d)
legs
127.
What makes the endoplasmic reticulum rough?
a)
Vessicles
b)
Vacuoles
c)
Ribosomes
d)
Chromosomes
128.
Where are ribosomes produced?
a)
Nucleolus
b)
Endoplasmic reticulum
c)
Golgi body
d)
Vessicle
129.
a)
controls what enters and exits the cell
b)
contains chlorophyll
c)
thick and rigid
130.
a)
site of protein synthesis by ribosomes
b)
where ribosomes are made
c)
gel-like fluid
131.
a)
control center of the cell
b)
captures energy from sunlight
c)
found in plant and animal cells
132.
This can be found in the nucleus, and are tiny strands that contain the instructions for directing the cell's functions.
a)
DNA/Chromatin
b)
Chloroplasts
c)
Golgi Bodies
d)
ER
133.
The _________ ____________ can be found in plant and animal cells, and receive proteins and materials from the ER, packages them, and distributes them.
a)
ER
b)
Golgi Bodies
c)
Cell Membrane
134.
This organelle can be found inside the nucleus, and produces ribosomes.
a)
Nucleus
b)
Nucleolus
c)
New Moon
d)
New Balance Shoe
135.
The _____________ is like JELL-O, and is a gel-like fluid that fills plant and animal cells, and is where the organelles are found.
a)
Cytoplasm
b)
Cell Membrane
c)
Cell Wall
d)
JELL-O
136.
TRUE OR FALSE: The Mitochondria produces energy for plant and animal cells.
a)
TRUE
b)
FALSE
137.
The _____________ stores food, water, wastes, and other materials in both plant and animal cells.
a)
Vacuole
b)
Mitochondria
c)
Ribosomes
d)
Chromatin
138.
This organelle controls what goes in and out of plant and animal cells.
a)
Cell Wall
b)
Cell Membrane
c)
Cytoplasm
d)
Cytoplasm
139.
This organelle is a rigid outer layer that protects plant cells.
a)
Cell Membrane
b)
Cell Wall
c)
Nucleus
d)
Chloroplast
140.
I produced lipids and detoxify cells. What am I?
a)
Lysosome
b)
Vacuole
c)
Rough ER
d)
Smooth ER
141.
I produce proteins that will be exported out of the cell
a)
Smooth ER
b)
free ribosomes
c)
Rough ER
d)
Golgi Apparatus
142.
The letter I is pointing to the...
a)
Chloroplast
b)
Mitochondria
c)
Rough ER
d)
Cytoplasm
143.
The letter B is pointing to the...
a)
Smooth ER
b)
Mitochondria
c)
Rough ER
d)
Golgi Apparatus
144.
The letter K is pointing to the...
a)
Smooth ER
b)
Mitochondria
c)
Rough ER
d)
Golgi Apparatus
145.
The letter G is pointing to the...
a)
Smooth ER
b)
Mitochondria
c)
Rough ER
d)
Golgi Apparatus
146.
The letter A is pointing to the...
a)
Nuclues
b)
Cell Membrane
c)
Nucleolus
d)
Cytoplasm
147.
The letter C is pointing to the...
a)
Nuclues
b)
Cell Membrane
c)
Nucleolus
d)
Cytoplasm
148.
The letter E is pointing to the...
a)
Nuclues
b)
Cell Membrane
c)
Cell Wall
d)
Cytoplasm
149.
The letter H is pointing to the...
a)
Vacuole
b)
Cell Membrane
c)
Ribosome
d)
Cytoplasm
150.
The letter G is covered in small dots that are ...
a)
Vacuoles
b)
Smooth ER
c)
Ribosomes
d)
Cytoplasm
151.
What type of cell?
a)
prokaryotic
b)
plant cell
c)
animal cell
152.
What is F pointing to?
a)
mitochondria
b)
chloroplast
c)
ribosome
d)
vacuole
153.
What is E pointing to?
a)
mitochondria
b)
chloroplast
c)
ribosome
d)
vacuole
154.
What is A pointing to?
a)
mitochondria
b)
chloroplast
c)
ribosome
d)
vacuole
155.
What is D pointing to?
a)
nucleus
b)
chloroplast
c)
ribosome
d)
nucluoles
156.
What is C pointing to?
a)
Smooth ER
b)
Rough ER
c)
Golgi Apparatus
d)
nucluoles
157.
What is B pointing to?
a)
Smooth ER
b)
Cell Membrane
c)
Golgi Apparatus
d)
Cell Wall
158.
What type of cell?
a)
prokaryotic
b)
plant cell
c)
animal cell
159.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
160.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
161.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
162.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
163.
Which biomolecule helps form muscles?
a)
Nucleic Acid
b)
Carbohydrate
c)
Protein
d)
Lipids
164.
Which biomolecule is responsible for insulation and energy storage?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
165.
Which biomolecule has sugars and starches?
a)
Lipids
b)
Proteins
c)
Carbohydrates
d)
Nucleic Acid
166.
Which biomolecule contain your genetics?
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
167.
Which biomolecule is made of amino acids?
a)
Nucleic Acid
b)
Carbohydrate
c)
Protein
d)
Lipid
168.
Which biomolecule is your main source of energy?
a)
Nucleic Acid
b)
Protein
c)
Lipid
d)
Carbohydrate
169.
Which biomolecule contains fats, oils, and waxes?
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
170.
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
171.
Which biomolecule contains Deoxyribonucleic acid; a sequence of bases that makes hereditary code; Ribonucleic acid; translate hereditary code into proteins that determine how the cell will function under various conditions; provides storage and retrieval of information; encode genes, gene expression, helps make proteins
a)
Nucleic Acid
b)
Lipid
c)
Carbohydrate
d)
Protein
172.
What do monomers do?
a)
Bonds to make a Polymer
b)
Creates Protiens
c)
Stores energy
d)
Splits to make more cells
173.
What is the function of nucleic acids?
a)
Stores energy
b)
Stores genetic information
c)
Movement
d)
Physical structure
174.
Which 2 molecules contains the elements C-H-O and function pertains to energy?
a)
Lipids and Protein
b)
Carbohydrates and Nucleic Acids
c)
Protein and Carbohydrates
d)
Carbohydrates and Lipids
175.
Identify this polymer.
a)
Lipid
b)
DNA
c)
RNA
d)
Complex carbohydrate
176.
Glucose is an example of a
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic Acid
177.
Identify this biomolecule.
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic acid
178.
A major function of fats, or lipids, is to
a)
store energy.
b)
speed up chemical reactions in the cell.
c)
contain instructions that cells need to carry out their functions.
d)
provide one of the raw materials for photosynthesis.
179.
What is a key difference between carbohydrates and proteins?
a)
Carbohydrates contain carbon; proteins do not.
b)
Proteins contain nitrogen; carbohydrates do not.
c)
Carbohydrates are biomolecules; proteins are not.
d)
Proteins contain covalent bonds; carbohydrates do not.
180.
Which of the following is an example of a complex carbohydrate?
a)
Monosaccharides
b)
Starches
c)
Lipids
d)
Glucose
181.
Carbon, Hydrogen, Oxygen and Nitrogen are the elements that make up______?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic acid
182.
How many calories are in one gram of carbohydrate?
a)
2
b)
3
c)
4
d)
5
183.
Saturated fat comes from...
a)
Broccoli
b)
Butter
c)
Apples
d)
Pasta
184.
How many calories are in one gram of fat?
a)
9
b)
4
c)
12
d)
7
185.
How many calories are in one gram of protein?
a)
7
b)
3
c)
4
d)
9
186.
Enzymes are considered to be
a)
Lipids
b)
Carbohydrate
c)
Protein
d)
Nucleic Acid
187.
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
188.
Where do substrates bind on an enzyme?
a)
voltage-gated channels
b)
surface receptor
c)
calcium channels
d)
active site
189.
Enzymes are capable of increasing the rate of a chemical reaction within a living cell. Enzymes accomplish this through which of the following means?
a)
reducing the number of products
b)
reducing the activation energy
c)
increasing the temperature of the cell
d)
increasing the concentration of reactants
190.
What is structure A?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
191.
What is structure D?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
192.
What is structure E, F, G?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
193.
How do enzymes speed up chemical reaction?
a)
Increasing activation energy
b)
Decreasing activation energy
c)
Increasing deactivation energy
d)
Decreasing deactivation energy
194.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
195.
What 3 letters do enzymes typically end in?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
196.
The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
a)
Enzymes increase the energy of the reactants.
b)
Enzymes decrease the energy level of the products.
c)
Enzyme decrease the activation energy of the reaction.
d)
Enzymes reverse the direction of the reaction.
197.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
198.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
199.
The graph shows the effect of temperature on enzyme action. What characteristic do enzymes E1, E2, and E3 share?
a)
Their activity increases between 20°C and 30°C.
b)
Their activity is greatest between 5°C and 10°C.
c)
Their activity is at a low level between 15°C and 25°C.
d)
Their activity is at a high level between 30°C and 40°C.
200.
An enzyme acts as a catalyst to a chemical reaction by
a)
lowering the activation energy needed to get the reaction started.
b)
making one of the substrates needed for the reaction.
c)
regulating the temperature at which the reaction takes place.
d)
regulating the pH at which the reaction takes place.
201.
Enzymes provide a site where reactants called substrates can be brought together in an enzyme-catalyzed reaction. The site is called the
a)
enzyme substrate complex.
b)
reaction site.
c)
active site.
d)
lock and key.
202.
The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
a)
Enzymes increase the energy of the reactants.
b)
Enzymes decrease the energy level of the products.
c)
Enzyme decrease the activation energy of the reaction.
d)
Enzymes reverse the direction of the reaction.
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