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Unit Test 1 Review

Total questions: 165

Worksheet time: 11hrs 40mins

Name
Class
Date
1.
The parts of the experiment that must be kept the same.
a)
Constants
b)

Independent variable

c)

Dependent variable

d)

Conclusion

2.

Maya designed an experiment to answer the following question:

How does the amount of water given to a lima

bean seed affect how tall it grows?

In this experiment, what variable should Maya CHANGE?

a)

the amount of water

b)

the kind of plant

c)

the type of soil

d)

the amount of sunlight it gets

3.

Esther became interested in insulation while her parent’s new house was being built. She decided to determine which insulation transferred the least heat. She filled each of 5 jars half-full with water.

She sealed each jar with a plastic lid.Then she wrapped each jar with a different kind of insulation. She put the jars outside in the direct sunlight. Later, she measured the temperature of the water in each jar. What is the independent variable?

a)

The type of insulation

b)

The temperature of the water

c)

Number of houses

d)

The amount of sunlight

4.

The type of variable that responds to the experiment and is what you measure or count to determine if your hypothesis is true.

a)
Independent
b)
Dependent
c)
Control
5.
Three baseball players investigate to see who can throw a baseball the farthest. They mark off an area on the playground for their investigation. Which should they keep constant?
a)
height of the players
b)
color of the balls thrown
c)
order in which the players throw
d)
spot from which the players throw
6.
Dory set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?
a)
distance traveled by the ball
b)
height of the ramp
c)
mass of the ball
d)
ball type
7.
What is the first step in the scientific method?
a)
Make an observation --> Question
b)
Design and conduct an experiment
c)
Make an hypothesis
d)
Share your results
8.
The summary at the end of an experiment that explains the results is... 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
9.
Information you obtain through your senses, such as touch, sound and sight.
a)
observation
b)
hypothesis
c)
question
d)
conclusion
10.
What is the most basic unit of life?
a)
cell
b)
tissue
c)
organ
d)
organ system
11.
An organism made of one cell is called
a)
unicellular
b)
multicellular
12.

Maintaining a stable internal

environment is called

a)

homeostasis

b)

equilibrium

c)

balance

d)

evenness

13.

When you step out into the cold, your body shivers in order to keep its temperature at 98.6F. Which characteristic of life does this represent?

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow

14.

Green plants produce their own food through the process of photosynthesis. Which characteristic of life does this represent?

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow

15.

A baby song bird hatches from its egg with both parent songbirds watching. Which characteristic of life does this represent?

a)

All living things reproduce

b)

All living things maintain homeostasis

c)

All living things use energy

d)

All living things grow

16.

A camel has eyelashes that work to keep the dust and sand out of its eyes. Which characteristic of life does this represent?

a)

All living things adapt to their environment

b)

All living things grow

c)

All living things have cells

d)

All living things use energy

17.

Over three years, Tim's height has increased from 5'4" to 5'11". Which characteristic of life does this represent?

a)

All living things contain cells

b)

All living things maintain homeostasis

c)

All living things use energy

d)

All living things grow

18.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a)
a.  Organism, cell, tissue, organ, organ system
b)
a.  Organ system, organ, tissue, cell, organism
c)
a.  Cell, tissue, organ, organ system, organism
d)
a.  Cell, organ, tissue, organ, organism, organ system
19.

Identify all of the following that are living.

a)

Volcano

b)

Tree

c)

Sun

d)

Fungus

20.

Which characteristic of living things is represented in the picture?

a)

Respond to stimuli

b)

Grow and develop

c)

Evolution

d)

Made of cells

21.
Which terms best describe heterotrophs?
a)
Plants; producers
b)
Animals; producers
c)
Plants; consumers
d)
Animals; consumers
22.
Which terms best describe autotrophs?
a)
Plants; producers
b)
Animals; producers
c)
Plants; consumers
d)
Animals; consumers
23.

Viruses are living organisms

a)

FALSE

b)

TRUE

24.

All viruses are different, but what are two parts that a virus must have?

a)

Genetic Information (DNA or RNA)

b)

a lipid membrane

c)

a nucleus

d)

a protein coat

25.
A group of similar cells that come together to perform a specific function is a/an
a)
organ
b)
organism
c)
organ system
d)
tissue
26.
When a group of organs work together to perform a particular function they create a/an
a)
organ system
b)
organism
c)
tissue
d)
organ
27.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a)
a.  Organism, cell, tissue, organ, organ system
b)
a.  Organ system, organ, tissue, cell, organism
c)
a.  Cell, tissue, organ, organ system, organism
d)
a.  Cell, organ, tissue, organ, organism, organ system
28.
Anything that can perform life processes by itself is a/an
a)
cell
b)
organ
c)
organism
d)
organ system
29.
A group of different tissues working together to do a job is called a/an _____.
a)
tissue
b)
organ
c)
stem cell
d)
organ system
30.
This is a example of........ 
a)
organ system
b)
cells
c)
organ
d)
tissue
31.
This is a example of ........
a)
cell
b)
organ system
c)
organ
d)
tissue
32.
This is a example of ........
a)
cell
b)
tissue
c)
organ 
d)
organ system
33.
The heart contains different types of tissue. What level is the heart?
a)
cell
b)
organ system
c)
organ
d)
tissue
34.

Several of the same organism living together in an area describes an

a)

organism

b)

community

c)

population

d)

ecosystem

35.

Elephants, tigers, zebras, and giraffes that live together is an example of a

a)

population

b)

community

c)

ecosystem

d)

biosphere

36.

Which is an example of a population?

a)

Deer, bear and rabbits

b)

A group of fish and sharks

c)

A group of cows

d)

Different kinds of bacteria

37.

The ______ system helps you move, protects your organs, gives support to the body, and makes red blood cells.

a)

skeletal system

b)

muscular system

c)

digestive system

d)

respiratory system

38.

The ________ system works with the skeletal system to help you move and provides shape and warmth.

a)

skeletal

b)

integumentary

c)

muscular

d)

digestive

39.

The _____ system's function is to break down food into molecules that the body (cells) can use for energy.

a)

muscular

b)

digestive

c)

respiratory

d)

endocrine

40.

The _____ system is a transport system, carrying oxygen, carbon dioxide, and wastes to and away from cells using the heart and blood.

a)

endocrine

b)

circulatory

c)

respiratory

d)

excretory

41.

The ______ system's function is gas exchange. It brings oxygen in and exhales carbon dioxide with the lungs, trachea, and diaphragm

a)

endocrine

b)

excretory

c)

circulatory

d)

respiratory

42.

This system controls the body using the brain, spinal cord, and nerves.

a)

nervous system

b)

endocrine system

c)

excretory system

d)

digestive system

43.

The ________ system is made of glands that secrete hormones into the blood to maintain homeostasis (balance)

a)

excretory

b)

endocrine

c)

digestive

d)

circulatory

44.
Major organs of the digestive system
a)
Kidneys, nephrons
b)
Stomach, intestines, mouth
c)
Heart, blood vessels, blood
d)
Liver, kidneys, heart
45.

What is the correct order of organization?

a)

cells->tissue->organs->organ systems-> organism

b)

tissue->cells->organs->organ systems-> organism

c)

organs->organ systems-> organism->cells->tissue

46.
The building blocks (monomers) or proteins are _______.
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
47.
DNA and RNA are examples of 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
48.
Nucleotides are the building blocks (monomers) of ______.
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
49.
Sugars, starches and chitin are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
50.
Glycerol and fatty acids are the building blocks (monomers) of _____.
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
51.
The organic molecules that stores and transmits hereditary and genetic information are
_____________.
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
52.
What is the function of carbohydrates?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
53.
What is the function of proteins?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
54.
What is the function of lipids?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
55.

What is the role of nucleic acids in cells?

a)

Storing and transmitting genetic information

b)

Catalyzing reactions

c)

Providing structural support

d)

Transporting oxygen

56.

How does the structure of a phospholipid contribute to its function in cell membranes?

a)

It forms rigid structures for protection.

b)

It forms bilayers due to hydrophilic heads and hydrophobic tails.

c)

It provides energy storage.

d)

It serves as a carrier for oxygen.

57.
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
58.
Which is not a chemical element needed to build sugars?
a)
Carbon
b)
Oxygen
c)
Nitrogen
d)
Hydrogen
59.
What is the monomer of proteins?
a)
amino acids
b)
polypeptides
c)
nucleotides
d)
monosaccharides
60.
Which biomolecule contains fats, oils, and waxes?
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
61.
A biological molecule is analyzed, and it is discovered that the molecule is composed of several amino acids. Which of these identifies the biological molecule?
a)
it is a lipid
b)
it is a protein
c)
it is an unsaturated fat
d)
it is a  monosaccharide
62.
Carbohydrates are made of which of the following elements?
a)
C, H, O
b)
C, H, O, N
c)
C, H, O, N, P
63.

Which of the macromolecules below could form structural parts of the cell, be enzymes, or be involved in cell movement?

a)

nucleic acids

b)

proteins

c)

lipids

d)

carbohydrates

64.

Which box depicts the simplest level of organization?

a)

P

b)

Q

c)

R

d)

S

65.

Which box depicts the tissue level of organization?

a)

P

b)

Q

c)

R

d)

S

66.

What are the four macromolecules in the human body? (choose four answers)

a)

lipids

b)

nucleic acids

c)

proteins

d)

amino acids

e)

carbohydrates

67.

The human digestive system is comprised of specialized cells, tissues, and organs.


Which lists the parts from least complex to most complex?

a)

muscle tissue, muscle cell, stomach

b)

muscle cell, muscle tissue, stomach

c)

stomach, muscle tissue, muscle cell

d)

stomach, muscle cell, muscle tissue

68.

Fats are

a)

Non-polar

b)

Polar

c)

Hydrophilic

d)

Hydrophobic

69.

Which diagram is a triglyceride?

a)
b)
c)
d)
70.
a)

Saturated

b)

Unsaturated

71.

What type of molecule is this?

a)

protein

b)

carbohydrate

c)

nucleic acid

d)

lipid

72.

Lipids are made of...

a)

CHO

b)

CHON

c)

CHONP

d)

CHONS

73.
Who discovered and named cells? 
a)
Captain Hook
b)
Robert Hooke
c)
Zacharias Janssen
d)
Rudolf Virchow
74.
What did Hooke first examine? 
a)
Pond water
b)
Plant cells
c)
Cork
d)
Animal fat
75.
What was Schleiden convinced of? 
a)
All plants are made of cells
b)
All animals are made of cells
c)
All cells form spontaneously
d)
None of the above
76.
Who noted that animals are made of cells and concluded that all living things are made of cells and cell products? 
a)
Rudolf Virchow
b)
Anton van Leeuwenhoek
c)
Theodor Schwann
d)
Robert Hooke
77.
Who discovered that cells come from preexisting cells and whose research lead to the major principles of cell theory?
a)
Matthias Schleiden
b)
Robert Hooke
c)
Zacharias Janssen
d)
Rudolf Virchow
78.
Which is not a part of cell theory?
a)
All organisms are made of cells
b)
All existing cells come from preexisting cells
c)
All matter is composed of living cells
d)
The cell is the most basic unit of life
79.
Cell theory was first proposed in 1838. Evidence obtained through additional scientific investigations resulted in the current cell theory. Which statement describes a component of the original cell theory that was removed because of the new scientific knowledge?
a)
 All living things are made of cells.
b)
All cells come from other preexisting cells.
c)
Cells form through spontaneous generation.
d)
 Cells are the basic structural and functional units of life.
80.
A plant and an animal are both living things. According to the Cell Theory, what can you conclude about these two very different organisms?
a)
Plants have cells but animals do not.
b)
They are both made of one or more cells. 
c)
They both come from the same kind of cell.
d)
They both come from a non-living organism.
81.
 Which of the following is NOT one of the main components of the cell theory?
a)
cells must contain DNA
b)
all living things are made of cells
c)
cells can only come from other cells
d)
cells are the basic unit of life
82.

Whose experiment is show in the picture?

a)

Aristotle's

b)

Francesco Redi's

c)

Louis Pasteur's

d)

Albert Einstein's

83.

Where did Redi conclude maggots come from?

a)

Maggots came from meat

b)

Maggots are spontaneously generated

c)

Maggots come from flies

d)

Maggots come from the air

84.
Robert Hooke, Anton van Leeuwenhoek, Theodor Schwann, Rudolf Virchow, and Matthias Schliden were all responsible for what theory?
a)
The Theory of Gravity
b)
The Theory of Relativity
c)
The Cell Theory
d)
The Theory of Continental Drift
85.
What tool do you use to view the cells?
a)
metric ruler
b)
centrifuge
c)
microscope
d)
telescope
86.
Which scientist did NOT contribute to the cell theory?
a)
Anton Van Leeuwenhoek
b)

Robert Hooke
c)
Albert Einstein 
d)

Matthias Schleiden
87.
What organelle is called the "powerhouse" of a cell?

a)
Endoplasmic Reticulum
b)
Nucleus
c)
Mitochondria
d)
Nucleolus
88.
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
89.
Where does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
90.
What can only be found in plant cells?
a)
Cell membrane
b)
Vacuole
c)
Chloroplast
d)
Mitochondrion
91.
The two kinds of cells are Prokaryotes and Eukaryotes. How are they different?
a)
Prokaryotes have a nucleus.
b)
Eukaryotes have a nucleus.
c)
Prokaryotes are plant cells.
d)
There is no difference.
92.
What cell part is NOT found in all cells?
a)
Cell Wall
b)
Cell Membrane
c)
Cytoplasm
d)
Genetic Material
93.
Complex cell. Can be plant or animal. Contains membrane bound organelles. 
a)
Eukaryotic Cell
b)
Prokaryotic Cell
c)
Bacteria
d)
Blood cell
94.
This organelle takes food and turns it into ENERGY for plant and animal cells.
a)
Chloroplast
b)
Mitochondria
c)
Lysosome
d)
Ribosome
95.
Where are proteins made?
a)
Golgi body
b)
Mitoichondria
c)
Chromosomes
d)
Ribosomes
96.
A rigid layer that lies outside the cell's  membrane is...
a)
Cytoskeleton
b)
Cilia
c)
Cell Wall
d)
Flagella
97.
What is the fluid inside a cell called? 
a)
Endoplasimic Reticulum
b)
Orange Juice
c)
Water
d)
Cytoplasm
98.
This organelle eliminates waste. 
a)
Nucleus
b)
ER
c)
Vacuole
d)
Lysosome
99.
This is a double layer of phospholipids that creates a barrier between the cells internal and external environments; it controls what comes in or out of the cell (selective permeable)
a)
Nucleus
b)
Cilia
c)
Cell membrane
d)
Flagella
100.
You are made up of...
a)
eukaryotic cells
b)
prokaryotic cells
c)
plant cells
d)
bacterial cells
101.
What is the difference between rough and smooth ER?
a)
There is no difference.
b)
Plants have rough ER, animals have smooth ER.
c)
What type of injuries the Doctors treat.
d)
Rough has ribosomes, smooth does not.
102.
I am a protein packaging and shipping machine! Who am I?
a)
vacuole
b)
ribosome
c)
endoplasmic reticulum
d)
golgi apparatus
103.

what is the function of ribosomes

a)

to assemble amino acids to create proteins

b)

to pack proteins

c)

to clean proteins

104.

The control center of cell is

a)

the nucleus

b)

ribosomes

c)

chromatin

105.

Which organelle is found inside the nucleus and produces ribosomes

a)

Nucleolus

b)

Cell Membrane

c)

Lysosome

d)

Golgi Bodies

106.
Label A
a)
Cell wall
b)
cytoplasm
c)
nucleus
d)
cell membrane
107.
Name structure #5.
a)
rough ER
b)
nucleus
c)
vesicle
d)
cytoplasm
108.
Name structure #6.
a)
rough ER
b)
Golgi body
c)
Smooth ER
d)
cytoplasm
109.
What is the structure labeled #5?
a)
Vacuole
b)
Chloroplast
c)
Mitochondria
d)
Lysosome
110.
What is the structure labeled #9?
a)
Cell Wall
b)
Cytoplasm
c)
Chloroplast
d)
Mitochondria
111.
What is the structure labeled #8?
a)
Vacuole
b)
Golgi body
c)
Nucleus
d)
Lysosome
112.
What is the structure labeled #10?
a)
Cell membrane
b)
Cell wall
c)
Cytoplasm
d)
Centriole
113.
Which type of cell has no nucleus?
a)
Eukaryote
b)
Prokaryote
c)
Animal
d)
Plant
114.
Prokaryotes have contains membrane-bound organelles. True or False?
a)
True
b)
False
115.
Are prokaryotes multicellular or unicellular? 
a)
Multicellular
b)
Unicellular
116.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
c)
Mixed
117.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
118.
Has cytoplasm
a)
Prokaryote
b)
Eukaryote
c)
both
119.
Has ribosomes
a)
Prokaryote
b)
Eukaryote
c)
both
120.
Which of the following are prokaryotic cells?
a)
plants
b)
animals
c)
baceteria
121.

Which organelle contains genetic material?

a)

Endoplasmic Reticulum

b)

Golgi Complex

c)

Nucleolus

d)

Nucleus

122.

What is positive feedback in homeostasis?

a)

Positive feedback in homeostasis is a self-correcting mechanism that brings the body back to its normal range.

b)

Positive feedback in homeostasis is a mechanism that decreases the change or deviation from the normal range.

c)

Positive feedback in homeostasis is a mechanism that has no effect on the body's normal range.

d)

Positive feedback in homeostasis is a self-reinforcing mechanism that amplifies or increases the change or deviation from the normal range.

123.

How does positive feedback affect the body's response to a stimulus?

a)

Inhibits

b)

Decreases

c)

Amplifies

d)

Neutralizes

124.

How does positive feedback differ from negative feedback in homeostasis?

a)

Positive feedback decreases, while negative feedback increases.

b)

Positive feedback inhibits, while negative feedback promotes.

c)

Positive feedback amplifies, while negative feedback counteracts.

d)

Positive feedback stabilizes, while negative feedback disrupts.

125.

Positive-feedback responses are common in healthy individuals.

a)

true

b)

false

126.

What is homeostasis?

a)

the process of maintaining relatively stable internal conditions

b)

All the physical and chemical changes occurring in an organism

c)

the process of becoming bigger

d)

Movement of substances throughout the body

127.

Which type of feedback system is more common in maintaining homeostasis?

a)

positive

b)

negative

c)

neutral

d)

balanced

128.

What type of feedback system does the model represent?

a)

positive

b)

negative

c)

neutral

d)

glyogen

129.

What is the stimulus in the model above?

a)

body temperature

b)

increase in body temperature

c)

decrease in body temperature

d)

blood vessels dilating

130.

When glucose levels in the blood rise, your brain sends a signal to your

pancreas. The pancreas releases insulin, which opens channels in cell

membranes to allow glucose to enter the cell, lowering blood sugar levels.

a)

Negative Feedback

b)

Positive Feedback

131.
The two types of feedback systems that help organisms maintain homeostasis are:
a)
positive and negative 
b)
receptor and effector
c)
static and dynamic
d)
minor and major
132.

What type of feedback loop is shown?

a)

negative

b)

neutral

c)

positive

133.

According to the feedback loop, what does high blood sugar promote?

a)

Insulin Release

b)

Glucagon Release

c)

Insulin Uptake

d)

Glycogen Uptake

134.
When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed.
a)
Positive Feedback Response
b)
Negative Feedback Loop 
135.

Which organ produces insulin?

(a)  

136.

Which of the following correctly pairs the hormone and the response that it causes

a)

Glucagon - makes body cells take in glucose

b)

Insulin - makes body cells take in glucose

c)

Pancreas - makes liver release stored glucagon

d)

Liver - makes pancreas take in stored insulin

137.

Glucagon causes muscles and the liver to release _____ back into the bloodstream

a)

glucose

b)

glucagon

c)

glycogen

d)

insulin

138.

Which hormone is released when blood sugar gets too low?

a)

glucose

b)

glucagon

c)

glycogen

d)

insulin

139.

which organ will balance the glucose level in the blood by releasing hormones like insulin or glucagon?

a)

Stomach

b)

Small intensine

c)

large intestine

d)

Pancreas

140.

What causes blood glucose levels to rise?

a)

eating

b)

vigorous exercise

c)

sleeping

d)

going to the toilet

141.
In passive transport, molecules move from an area of __________ concentration to an area of __________ concentraiton
a)
high, low
b)
low, high
c)
water, salt
d)
active, passive
142.
Which of the following is not a type of passive transport?
a)
Osmosis
b)
Diffusion
c)
Endocytosis
d)
Facilitated Diffusion
143.
The solution that has the highest amount of particles?
a)
Hyptonic
b)
Isotonic
c)
Hypertonic
144.
In which solution will water move into a cell?
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
d)
Equilibrium
145.
What type of transport is this?
a)
Diffusion
b)
Osmosis
c)
Facilitated Diffusion
d)
Active Transport
146.
What type of transport is this?
a)
Endocytosis
b)
Exocytosis
c)
Diffusion
d)
Sodium-Potassium Pump
147.
What type of transport is this?
a)
Endocytosis
b)
Facilitated Diffusion
c)
Active Transport Pump
d)
Osmosis
148.
What type of transport is this?
a)
Facilitated Diffusion
b)
Exocytosis
c)
Active Transport
d)
Diffusion
149.
What type of transport is this?
a)
Endocytosis
b)
Diffusion
c)
Exocytosis
d)
Osmosis
150.
What type of organelle is used during endocytosis and exocytosis?
a)
Endoplasmic Reticulum
b)
Golgi Body
c)
Vesicle
d)
Lysosome
151.

Particle of movement from an area of lower concentration to an area of higher concentration.

a)

Active transport

b)

Passive transport

152.

Which type of passive transport uses transport proteins to transport items such as glucose through the membrane?

a)

Facilitated diffusion

b)

Osmosis

c)

Diffusion

153.

Which type of passive transport focuses on the movement of water through the membrane?

a)

Facilitated diffusion

b)

Osmosis

c)

Diffusion

154.

Which type of diffusion is represented?

a)

Facilitated diffusion

b)

Osmosis

c)

Diffusion

155.

Which type of solution has the same solute concentration inside of and outside of the cell?

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

156.

The cell shrunk in size, which means it was placed in a ____ solution.

a)

Isotonic

b)

Hypertonic

c)

Hypotonic

157.

The cell expanded in size to the point of lysing (bursting), which means it was placed in a ____ solution.

a)

Isotonic

b)

Hypertonic

c)

Hypotonic

158.
Which cell is placed into a hypotonic environment? 
a)
A
b)
B
c)
C
d)
D
159.
What is equilibrium?
a)
When concentrations cannot be balanced between two substances 
b)
When concentrations are balanced between two substances 
c)
Making the energy in the top half of your body equal the the energy in the bottom half
d)
Concentrations do not exist 
160.
What is the difference between active and passive transport?
a)
Active does not need energy and passive uses ATP (energy)
b)
Active uses ATP (energy) and passive does not need energy
c)
Active stores transport proteins and passive releases 
d)
Active uses hormones and passive does not 
161.
In the image, the water will move 
a)
into the cell.
b)
out of the cell.
c)
both in and out of the cell.
162.
In the image, the water will move 
a)
into the cell.
b)
out of the cell.
c)
both in and out of the cell.
163.
In the image, the water will move 
a)
into the cell.
b)
out of the cell.
c)
both in and out of the cell.
164.
What is the definition of  Selective Permeability?
a)
The movement of materials across the cell membrane that requires NO ENERGY from the cell.
b)
The movement of materials through (or across) the cell membrane
c)
The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.
165.
 If a cell containing 5% salt is placed into a glass of water with 20% salt, the water is _______ .
a)
isotonic
b)
hypotonic
c)
hypertonic

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