Font size
S
M
L
XL
WorksheetsFall Semester Review [Part 2]: Units 2 & 3
Total questions: 151
Worksheet time: 5hrs 2mins
Name
Class
Date
1.
How is a Carboxyl Group commonly written?
a)
-OH
b)
-COOH
c)
-COH
d)
-CHOH
2.
What two elements make up the amino group?
a)
Hydrogen, Oxygen
b)
Nitrogen, Oxygen
c)
Potassium, Hydrogen
d)
Hydrogen, Nitrogen
3.
Which functional group is NOT present?
a)
Amino
b)
Carboxyl
c)
Hydroxl
d)
Sulfhydryl
4.
What two elements are in Hydroxyl?
a)
Oxygen and Hydrogen
b)
Sulfur and Oxgen
c)
Helium and Neon
d)
Argon and Hydrogen
5.
Which functional group is present in this molecule?
a)
Hydroxyl
b)
Carboxyl
c)
Amino
d)
Phosphate
6.
Act as organic acids
a)
carboxyl
b)
carbonyl
c)
methyl
d)
sulfhydryl
7.
Which functional group is shown?
a)
carboxyl
b)
phosphate
c)
carbonyl
d)
sulfhydryl
8.
All nucleotides have a nitrogenous base and most have multiple ______ groups
a)
phosphate
b)
amino
c)
hydroxyl
d)
carbonyl
9.
DNA has a negative charge, because all nucleic acids have one of these groups
a)
Carboxylic Acids
b)
Hydroxyl
c)
Phosphate
d)
Sulfhydryl
10.
Every carbohydrate has multiple of these groups attached
a)
Methyl
b)
Carboxyl
c)
Hydroxyl
d)
Carbonyl
11.
Every fatty acid has these two functional groups (select both)
a)
Carboxylic Acid
b)
Methyl
c)
Sulfhydryl
d)
Hydroxyl
12.
Every amino acid has these two functional groups attached to the central carbon (select both answers)
a)
Methyl
b)
Amino
c)
Carboxylic Acid
d)
Carbonyl
13.
Identify the functional group present in this compound.
a)
alcohol
b)
ketone
c)
ester
d)
methyl
14.
What are the four macromolecules?
a)
proteins, nucleic acids, carbohydrates, and lipids
b)
monosaccharides, lipids, polysaccaharides, and proteins
c)
RNA, DNA, proteins, and carbohydrates
d)
proteins, DNA, RNA, and steroids
15.
What type of bond connects carbons to each other and other elements? (The sharing of electrons)
a)
Ionic Bonding
b)
Covalent Bonding
c)
Monomer Bonding
d)
Nucleotide Bonding
16.
A catalyst works by
a)
changing the order of the reaction
b)
increasing the temperature
c)
lowering the activation energy
d)
making the activated complex
17.
Endergonic reactions require:
a)
an input of energy
b)
a release of energy
c)
do not change energy
18.
Which of the following is true for anabolic reactions?
a)
They are spontaneous and breakdown molecules.
b)
They are nonspontaneous and breakdown molecules.
c)
They are spontaneous and build molecules.
d)
They are nonspontaneous and build molecules.
19.
The active site of an enzyme can:
a)
bind allosteric regulators.
b)
bind competitive inhibitors.
c)
bind non-competitive inhibitors.
d)
change the Gibbs Free Energy of the reaction.
20.
Which of the following do not affect enzymes ability to function?
a)
pH
b)
substrate concentration
c)
temperature
d)
water
21.
In general, enzymes do NOT:
a)
bind permanently to their substrates
b)
have names ending in -ase
c)
have their function changed with extremely high temperatures
d)
react with a specific substrate
22.
sum of all chemical reactions
a)
chemosynthesis
b)
cellular respiration
c)
metabolism
d)
photosynthesis
23.
What is being represented by the letter B in the image?
a)
Substrate
b)
Enzyme
c)
reactants
d)
Product
24.
What type of reaction is occurring in this graph?
a)
endergonic
b)
exergonic
c)
unable to determine
25.
Enzymes are usually....
a)
Proteins
b)
Lipids
c)
Carbohydrates
d)
None of the Above
26.
Energy is released from ATP when
a)
a phosphate group is added
b)
adenine bonds to ribose
c)
ATP is exposed to sunlight
d)
a phosphate group is removed
27.
Which of the following best summarizes the relationship between dehydration reactions and hydrolysis?
a)
Hydrolysis only occurs in the urinary system, and dehydration reactions only occur in the digestive tract.
b)
Hydrolysis creates monomers, and dehydration reactions break down polymers.
c)
Dehydration reactions can occur only after hydrolysis.
d)
Dehydration reactions assemble polymers, and hydrolysis breaks down polymers.
28.
Disulfide bonds are formed during which of the following structures of protein formation?
a)
Primary
b)
Secondary
c)
Tertiary
d)
Quaternary
29.
A molecule binds to an enzyme and opens the active site so it can bind to the substrate. This is called:
a)
Allosteric Activation
b)
Allosteric Inhibition
c)
Competitive Activation
d)
Competitive Inhibition
30.
When a molecule can occupy the same active site as the substrate, a situation called __________________ can result
a)
Competitive lnhibition
b)
Allosteric Regulation
c)
Non-Competitive Inhibition
d)
Feedback Inhibition
31.
A molecule binds to an enzyme and decreases the ability of the active site to bind to the substrate. This is called:
a)
Allosteric Activation
b)
Allosteric Inhibition
c)
Competitive Activation
d)
Competitive Inhibition
32.
Which of the following represents the activation energy needed for the noncatalyzed reverse reaction, C + D → A + B, in Figure 8.1?
a)
A
b)
C
c)
D
d)
E
33.
Which of the following terms best describes the reaction?
a)
endergonic
b)
exergonic
c)
spontaneous
d)
allosteric
34.
The reaction used to digest and break the bond in red is:
a)
Hydrolysis
b)
Dehydration Synthesis
c)
Oxidation
d)
Single Displacement
35.
The two types of folding in the secondary structure are.....
a)
alpha-helix & beta-pleated sheets
b)
polypeptide & nucleotide
c)
globular & fibrous
36.
Each amino acid is different from the other due to....
a)
The R group
b)
The amino group
c)
The carboxyl group
d)
The central carbon
37.
When a protein unfolds, it is
a)
Denatured
b)
Building
c)
Adding amino acids
d)
Making food
38.
Blocking Active site of an enzyme
a)
competitive inhibition
b)
allosteric inhibition
39.
What do the brown structures represent?
a)
Phospholipids
b)
Glycoproteins
c)
Channel Proteins
d)
Cyctoskeleton Filaments
40.
Controlling what goes into or out of the cell with the help of energy is called
a)
active transport
b)
endocytosis
c)
passive transport
d)
exocytosis
41.
Which form of active transport is being shown? (Inside of the cell is tan colored)
a)
Facilitated Diffusion
b)
Exocytosis
c)
Endocytosis
d)
Receptor-mediated endocytosis
42.
A saltwater snail is placed in freshwater. What happens to its cells?
a)
They shrink
b)
They swell
c)
Nothing happens
43.
If you looked at red blood cells under a microscope and saw the blood cells exploded, what would you say happened?
a)
The cells were placed in a hypotonic solution.
b)
the solution was isotonic.
c)
The solution was hypertonic.
44.
A lab tech performed a routine RBC count. The cells appeared shriveled and were difficult to count. What was wrong with the cell storage solution.
a)
It was hypertonic
b)
It was hypotonic
c)
It was isotonic
45.
A shrinking of the cytoplasm away from the wall due to outward osmotic flow of water
a)
turgor pressure
b)
hemolysis
c)
Osmotic pressure
d)
plasmolysis
46.
A cell in an isotonic solution will
a)
swell
b)
shrink
c)
stay the same size
d)
impossible to tell
47.
If a cell containing 5% salt is placed into a glass of water with 20% salt, the water is _______ compared to the cell.
a)
hypertonic-
b)
hypotonic
c)
isotonic
48.
0.9% NaCl is isotonic to red blood cells. Which of these describes what will happen if a technician misplaces a decimal point and makes 9.0% NaCl solution instead and administers it to a patient?
a)
The cells exposed to the solution will burst.
b)
The cells exposed to the solution will shrink.
c)
The cells will remain the same size.
d)
The cells exposed to the solution will expand but not burst.
49.
A can of air freshener is sprayed in the opposite side of the room. Ten minutes later you start to smell the scent. This is an example of
a)
diffusion
b)
active transport
c)
endocytosis
d)
osmosis
50.
A patient has had a serious accident and lost a lot of blood. In an attempt to replenish body fluids, distilled water-equal to the volume of blood lost-is transferred directly into one of his veins. What will be the most probable result of this transfusion?
a)
The patient's red blood cells will shrivel up because the blood fluid has become hypertonic compared to the cells.
b)
The patient's red blood cells will shrivel up because the blood fluid has become hypotonic compared to the cells.
c)
It will have no unfavorable effect as long as the water is free of viruses and bacteria.
d)
The patient's red blood cells will swell because the blood fluid has become hypotonic compared to the cells.
51.
what are two types of passive transport?
a)
endo and exocytosis
b)
cookies and milk
c)
active and passive
d)
Osmosis and diffusion
52.
Which transport does not require energy?
a)
Passive
b)
Active
53.
When cells are placed in a __________ solution they begin to swell.
a)
Hypertonic
b)
Isotonic
c)
Hypotonic
d)
Equalized
54.
If a cell containing 5% salt is placed into a glass of water with 20% salt, the water is _______ compared to the cell.
a)
hypertonic-
b)
hypotonic
c)
isotonic
55.
If you looked at red blood cells under a microscope and saw the blood cells exploded, what would you say happened?
a)
The cells were placed in a hypotonic solution.
b)
the solution was isotonic.
c)
The solution was hypertonic.
56.
Water will move?
a)
Into the cell
b)
Out of the cell
c)
Neither into or out of the cell
57.
Which of the following is responsible for getting large or charged (polar) molecules across the cell membrane?
a)
E
b)
B
c)
C
d)
D
58.
Hydrophobic region of the cell membrane?
a)
E
b)
B
c)
C
d)
A
59.
A person would never have pure water put into their veins in a hospital because their cells would...
a)
Shrink/Dehydrate
b)
Expand
60.
Controlling what goes into or out of the cell with the help of energy is called
a)
active transport
b)
endocytosis
c)
passive transport
d)
exocytosis
61.
The sodium-potassium pumps requires energy to move ions across the cell membrane against their concentration gradient so it is a type of
a)
active transport
b)
osmosis
c)
diffusion
d)
facilitated diffusion
62.
A saltwater snail is placed in freshwater. What happens to its cells?
a)
They shrink
b)
They swell
c)
Nothing happens
63.
The tails of a phospholipid are...
a)
Hydrophobic
b)
Hydrophilic
64.
Engulfing of bacteria by white blood cells is called as
a)
Phagocytosis
b)
Pinocytosis
c)
Exocytosis
d)
Endocytosis
65.
The difference in the concentration of a substance from one location to another is called
a)
diffusion
b)
osmosis
c)
concentration gradient
d)
passive transport
66.
The picture is an example of _________________.
a)
isotonic
b)
diffusion
c)
osmosis
d)
active transport
67.
Osmosis is the diffusion of _____ across a selectively permeable membrane.
a)
food
b)
air
c)
water
d)
oxygen
68.
If a cell containing 5% salt is placed into a glass of water with 20% salt, the water is _______ compared to the cell.
a)
hypertonic-
b)
hypotonic
c)
isotonic
69.
What are the four emergent properties of water that are important for life?
a)
cohesion, expansion upon freezing, high heat of evaporation, capillarity
b)
cohesion, moderation of temperature, expansion upon freezing, solvent properties
c)
moderation of temperature, solvent properties, high surface tension, capillarity
d)
a)polarity, hydrogen bonding, high specific heat, high surface tension
70.
Skin is coated with a hydrophobic glycolipid. What would happen if this glycolipid were not present?
a)
Water would never enter the skin cells.
b)
Skin would swell when swimming.
c)
The temperature of the skin would increase
d)
The skin would peel and flake.
71.
Many plant leaves have an outer layer, called the waxy cuticle, that aids in the prevention of dehydration via transpiration. When water falls on the waxy cuticle, it immediately beads up and rolls off. Based on this information, what must be true of the waxy cuticle?
a)
It is amphiphilic.
b)
It hydrolyzes the water molecules.
c)
It is hydrophobic.
d)
It has catalytic properties.
72.
The picture is an example of...
a)
active tranport
b)
passive transport
c)
diffusion
d)
osmosis
73.
When cells are placed in a __________ solution they begin to swell.
a)
Hypertonic
b)
Isotonic
c)
Hypotonic
d)
Equalized
74.
Water will move?
a)
Into the cell
b)
Out of the cell
c)
Neither into or out of the cell
75.
A HYPERTONIC solution has a _____ concentration of solute than the interior of the cell and a cell will ______ when placed into this solution.
a)
lower; shrink
b)
lower; swell
c)
higher; shrink
d)
higher; swell
76.
A cell in an isotonic solution will
a)
swell
b)
shrink
c)
stay the same size
d)
impossible to tell
77.
A saltwater fish is accidentally placed in a freshwater aquarium in a few short hours it sadly died. Which explains why this occurred?
a)
The cells of the fish body were dehydrated by the quick loss of water.
b)
The cells of the fish quickly absorbed massive amounts of water and it ended up killing the fish.
c)
The fish hated the new decor in the freshwater tank.
d)
It was just its time.
78.
Which of the following contains the highest water potential?
a)
A
b)
B
c)
C
d)
D
79.
If a student was going to draw an arrow indicating the solution from the highest water potential to the lowest water potential, the arrow would be pointing
a)
from the left to the right
b)
from the right to the left
80.
Pure water has a water potential of ___.
a)
1
b)
0
c)
-1
d)
100
81.
A sucrose solution in a beaker has a solute potential of -4 bars. A cell with a solute potential of -2 bars is placed in the beaker. What will be the direction for the net movement of water?
a)
into the cell
b)
out of the cell
c)
there will be no net movement
82.
Which of the following is NOT a type of passive transport?
a)
diffusion
b)
facilitated diffusion
c)
osmosis
d)
endocytosis
83.
In which beaker will water move out of the cell?
a)
left
b)
middle
c)
right
84.
A saltwater fish is accidentally placed in a freshwater aquarium in a few short hours it sadly died. Which explains why this occurred?
a)
The cells of the fish body were dehydrated by the quick loss of water.
b)
The cells of the fish quickly absorbed massive amounts of water and it ended up killing the fish.
c)
The fish hated the new decor in the freshwater tank.
d)
It was just its time.
85.
What type of transport is represented by figure "B"
a)
Active Transport
b)
Facilitated Diffusion
c)
Protein Transport
d)
Osmosis
86.
A cell in an isotonic solution will
a)
swell
b)
shrink
c)
stay the same size
d)
impossible to tell
87.
The soil surrounding the roots of a plant has a water potential of -15 bars. The leaves of the plant have a water potential of -18 bars.
What will happen?
What will happen?
a)
Water will leave the plant and the plant will wilt.
b)
Water will move from the roots to the leaves of the plant.
c)
Nothing - these solutions are isotonic.
d)
IDK - What is a bar????
88.
0.9% NaCl is isotonic to red blood cells. Which of these describes what will happen if a technician misplaces a decimal point and makes 9.0% NaCl solution instead and administers it to a patient?
a)
The cells exposed to the solution will burst.
b)
The cells exposed to the solution will shrink.
c)
The cells will remain the same size.
d)
The cells exposed to the solution will expand but not burst.
89.
What type of organelle is used during endocytosis and exocytosis?
a)
Endoplasmic Reticulum
b)
Golgi Body
c)
Vesicle
d)
Lysosome
90.
What type of transport is this?
a)
Endocytosis
b)
Diffusion
c)
Exocytosis
d)
Osmosis
91.
A HYPERTONIC solution has a _____ concentration of solute than the interior of the cell and a cell will ______ when placed into this solution.
a)
lower; shrink
b)
lower; swell
c)
higher; shrink
d)
higher; swell
92.
Carrot and potato cores were placed in various sucrose solutions for 24 hours and the % change in mass was recorded and graphed. The temperature in the room was 24 degrees celcius. Identify the approximate concentration of sucrose in the potato cells.
a)
0.13 M
b)
0.0 M
c)
0.4 M
d)
0.33 M
93.
Carrot and potato cores were placed in various sucrose solutions for 24 hours and the % change in mass was recorded and graphed. The temperature in the room was 24 degrees celcius. Sucrose is too large of a molecule to cross the membrane of potato and carrot cells. Which molecule caused the change in mass?
a)
water
b)
sucrose
c)
salt
d)
glucose
94.
Carrot and potato cores were placed in various sucrose solutions for 24 hours and the % change in mass was recorded and graphed. The temperature in the room was 24 degrees celcius. Sucrose is too large of a molecule to cross the membrane of potato and carrot cells. Calculate the water potential for the carrot cells. The ionization constant for sucrose is 1.0 M. The pressure potential is 0.
a)
-8.1 bars
b)
-8.1 M
c)
8.1 bars
d)
-3.5 bars
95.
A sucrose solution in a beaker has a solute potential of -4 bars. A cell with a solute potential of -2 bars is placed in the beaker. What will be the direction for the net movement of water?
a)
into the cell
b)
out of the cell
c)
there will be no net movement
96.
Which way would the purple molecules move through the semi-permeable membrane?
a)
From the A side to the B-side
b)
From the B side to the A side
c)
none of the purple molecules would move
d)
they would move equally back and forth in a state of dynamic equilibrium
97.
What keeps this plant cell from bursting?
a)
the cell wall
b)
it's vacuole
c)
the membrane
d)
the nucleus
98.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
99.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
100.
Choose the pair of terms that correctly completes this sentence: Catabolism is to anabolism as __ is to __.
a)
exergonic; endergonic
b)
free energy; entropy
c)
work; energy
d)
exergonic;spontaneous
101.
Which statement is correct about diffusion?
a)
It's very rapid over long distances.
b)
It's a passive process which molecules move from a region of higher to lower concentration.
c)
It requires an energy expenditure by the cell.
d)
It's an active process where molecules move from a region of lower to higher concentration.
102.
Which describes the events of apoptosis?
a)
The cell's DNA & organelles become fragemented, the cell shrinks & forms blebs, the cell's parts are packaged in vesicles that are digested by cells like macrophages.
b)
The cell dies, it is lysed, its organelles are phagocytized, and its contents are recycled.
c)
The cell's DNA and organelles become fragmented, the cell dies, and it's phagocytized.
d)
The cell shrinks, dies, and the presence of its fragmented contents stimulate nearby cells to divide.
103.
Prokaryotes are classified as belonging to two different domains. What are they?
a)
Bacteria & Protista
b)
Bacteria & Archaea
c)
Bacteria & Eukarya
d)
Archaea & Protista
104.
Prokaryotes are classified as belonging to two different domains. What are they?
a)
Bacteria & Protista
b)
Bacteria & Archaea
c)
Bacteria & Eukarya
d)
Archaea & Protista
105.
Which structure is common to plant and animal cells?
a)
central vacuole
b)
chloroplast
c)
wall made of cellulose
d)
mitochondrion
106.
Which of the following is major cause of the size limits for certain types of cells?
a)
evolutionary progression in cell size; more primitive cells have smaller sizes.
b)
the need for sufficient surface area to support the cell's metabolic needs.
c)
limitation on the strength and integrity of the plasma membrane as cell size increases
d)
the difference in plasma membranes between prokaryotes and eukaryotes
107.
White blood cells engulf bacteria through what process?
a)
pinocytosis
b)
osmosis
c)
phagocytosis
d)
exocytosis
108.
Which is true of metabolism in its entirety in all organisms?
a)
Metabolism depends on an organism's adequate hydration.
b)
Metabolism depends on a constant supply of energy from food.
c)
Metabolism consist of all the energy transformation reactions in an organism.
d)
Metabolism uses all of an organism's resources.
109.
A patient has had a serious accident and lost a lot of blood. In an attempt to replenish body fluids, distilled water-equal to the volume of blood lost-is transferred directly into one of his veins. What will be the most probable result of this transfusion?
a)
The patient's red blood cells will shrivel up because the blood fluid has become hypertonic compared to the cells.
b)
The patient's red blood cells will shrivel up because the blood fluid has become hypotonic compared to the cells.
c)
It will have no unfavorable effect as long as the water is free of viruses and bacteria.
d)
The patient's red blood cells will swell because the blood fluid has become hypotonic compared to the cells.
110.
Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules?
a)
glycogen
b)
cellulose
c)
proteins
d)
lipids
111.
A chemical reaction that has a positive ΔG (free energy) is best described as
a)
entropic
b)
spontaneous
c)
endergonic
d)
exergonic
112.
Which of the following would likely move through the lipid bilayer of a plasma membrane most rapidly?
a)
CO2
b)
an amino acid
c)
starch
d)
glucose
113.
All of the following are part of a prokaryotic cell except
a)
a plasma membrane
b)
DNA
c)
an endoplasmic reticulum
d)
ribosomes
114.
When a plant cell, such as one from a tulip stem, is submerged in a very hypotonic solution, what is likely to occur?
a)
The cell membrane will lyse.
b)
The cell will burst.
c)
The cell will become turgid.
d)
Plasmolysis will shrink the interior.
115.
Which is not a part of a signal transduction pathway?
a)
response
b)
transcription
c)
transduction
d)
receptor
116.
The body's automatic tendency to maintain a constant and optimal internal environment is termed
a)
estivation.
b)
homeostasis.
c)
physiological chance.
d)
static equilibrium.
117.
Which term most precisely describes the cellular process of breaking down large molecules into smaller ones?
a)
anabolism
b)
catabolism
c)
metabolism
d)
dehydration
118.
Which temperature and pH profile curves on the graphs were most likely generated from analysis of an enzyme from a human stomach where conditions are strongly acid?
a)
curves 2 & 5
b)
curves 1 & 5
c)
curves 1 & 4
d)
curves 2 & 4
119.
Cells tend to be small, with sizes ranging between 1 and 100 mm. These small sizes help to ensure that cells have a favorable surface-area-to-volume ratio. Choose the statement that explains why a favorable surface-area-to-volume ratio is advantageous.
a)
Higher surface-area-to-volume ratios improve the efficiency of transporting materials in and out of cells.
b)
Lower surface-area-to-volume ratios improve the efficiency of transporting materials in and our of cells.
c)
Higher surface-area-to-volume ratios speed up the flow of cytoplasm within cells.
d)
Higher surface-area-to-volume ratios slow down the flow of cytoplasm within cells.
120.
The Endosymbiotic Theory suggests that eukaryotic cells evolved when an ancient cell engulfed another, forming a permanent symbiotic relationship. Choose the evidence that best justifies this claim.
a)
Both mitochondria and chloroplasts perform energy functions
b)
Eukaryotic cells have many mitochondria
c)
Eukaryotic cells have traits in common with archaea
d)
Mitochondria and chloroplasts contain circular loops of unique DNA
121.
Both prokaryotic and eukaryotic cells contain all of the following EXCEPT
a)
Cell (Plasma) Membrane
b)
Chloroplast
c)
Cytoplasm
d)
Ribosomes
122.
Which of the following contains the highest water potential?
a)
A
b)
B
c)
C
d)
D
123.
A protein that is destined for the membrane would be made
a)
on a ribosome that is in the cytoplasm
b)
within a lysosome
c)
on a ribosome attached to the rough endoplasmic reticulum
d)
within the Golgi body
124.
Which of the following cells would have the highest surface area to volume ratio?
a)
1
b)
2
c)
3
d)
they are all the same
125.
Biological membranes are composed primarily of
a)
nucleotides and nucleosides
b)
enzymes, electron acceptors, and electron donors
c)
monosaccharides and diasaccharides
d)
lipids
126.
In biological membranes, the phospholipids are arranged in a _______, with the_______.
a)
bilayer; fatty acids pointing toward each other
b)
bilayer; fatty acids facing outward
c)
single layer; fatty acids facing the interior of the cell
d)
single layer; phosphorus-containing region facing the interior of the cell
127.
The hydrophilic regions of a membrane protein are most likely
a)
present only in muscle cells
b)
associated with the fatty acid region of the lipids
c)
either on the surface or inserted into the interior of the membrane
d)
exposed on the surface of the membrane
128.
ATP synthesis
a)
chloroplast
b)
mitochondria
c)
lysosome
d)
ribosome
129.
package, modify, and ship proteins
a)
mitochondria
b)
rough ER
c)
Golgi apparatus
d)
smooth ER
130.
Which of these is NOT a cell junction?
a)
Plasmodesmata
b)
desmosome
c)
tight junction
d)
proteoglycan
131.
Two subunits made of RNA and protein. Found in both prokaryotic and eukaryotic cells.
a)
chromatin
b)
ribosomes
c)
centrioles
d)
nucleolus
132.
Which is NOT a part of the endomembrane system?
a)
lysosome
b)
Golgi
c)
ER
d)
ribosome
133.
Found only in animal cells. Made of microtubules. Pull chromosomes apart during mitosis.
a)
vacuole
b)
centriole
c)
lysosome
d)
peroxisome
134.
Which of these is NOT a membrane bound organelle?
a)
lysosome
b)
ribosome
c)
mitochondria
d)
chloroplast
135.
Microtubles make up all of the following structures except ____.
a)
cilia
b)
centrioles
c)
flagella
d)
mitchondria
136.
DNA that is condensed into visible threads
a)
chromosomes
b)
chromatin
c)
microfilaments
d)
genes
137.
A phospholipid has 2 parts. What are they called?
a)
Hydrophilic Head, Hydrophobic Tail
b)
Hydrophobic Head, Hydrophilic Tail
138.
A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails.
a)
phospholipid
b)
Carbohydrate
c)
Cholesterol
d)
Protein
139.
"Water Loving"
a)
Hydrophobic
b)
Hydrophilic
c)
Hydroelectric
d)
Hydroloric
140.
"Water Fearing"
a)
Hydrophobic
b)
Hydrophilic
c)
Hydroelectric
d)
Hydroloric
141.
Describes the arrangement of the cell membrane as bendable and made of many parts.
a)
The Fluid Mosaic Model
b)
The Major Mobility Model
c)
The Crazy Cell Model
d)
The Maze Model
142.
___________ allow cells to recognize each other and act like ID tags.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
143.
___________ strengthens and stabilizes the cell membrane.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
144.
___________ have 2 functions in the cell membrane.
1.) They act like gatekeepers, only let certain things in.
2.) Enzyme receptors embedded in the membrane.
1.) They act like gatekeepers, only let certain things in.
2.) Enzyme receptors embedded in the membrane.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
145.
___________ form the two layers of the cell membrane.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
146.
It forms a boundary between the inside of the cell and the outside of the cell.
a)
Cell Membrane
b)
Lipid Cleric Layer
c)
Membrane Gate
d)
Protein Receptors
147.
Controls the passage of materials inside and outside of the cell.
a)
Cell Membrane
b)
Lipid Cleric Layer
c)
Membrane Gate
d)
Protein Receptors
148.
This is a picture of which type of receptor?
a)
Intracellular
b)
Extracellular
149.
Something is ___________ ____________
when some molecules can cross the membrane while others cannot.
when some molecules can cross the membrane while others cannot.
a)
Selectively (or Semi) Permeable
b)
Totally Transparent
c)
Liquid Licorice
d)
Heavily Patrolled
150.
This is a picture of which type of receptor?
a)
Intracellular
b)
Extracellular
151.
A specific molecule that binds with a receptor to make something happen.
a)
Ligand
b)
Receptor
c)
Lipid
d)
Magic Potion
Reset
