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WorksheetsCell Bio Quiz
Total questions: 153
Worksheet time: 2hrs 53mins
What is the main purpose of the cell membrane?
regulation of what enters and leaves
protection of the cell
Keeps the cell's surface clean
destroys viruses
What is the other name for the Cell Membrane?
Phospholipid Bilayer
Fluid Mosaic Model
Fluidity Mural Model
Phospholipid Layer
Why is membrane called the Fluid Mosaic Model?
The Phospholipids can move laterally like the flow of water
It is permeable to water and all other liquids
Its not called the Fluid Mosaic Model
It was credited to be similar to Pablo Picasso's murals
Which portion of the Phospholipid is Hydrophobic?
Head
tail
whole structure
It's all hydrophilic
What does ampipathic mean?
containing both hydrophobic and hydrophilic regions
containing both hydrophobic regions
similar to be water like or not
similar to acting like oil
What is the difference between peripheral and transmembrane proteins?
Peripheral = on top of bilayer
Transmembrane = on the bottom of bilayer
Peripheral = goes through the membrane
transmembrane = on top of the membrane
Peripheral = on top and bottom of the membrane
transmembrane = goes through the whole membrane
Peripheral = top of the membrane
transmembrane = no such thing as integral proteins
Can Hydrophobic molecules go through the membrane
Yes
No
Can hydrophilic molecules go through the membrane?
Yes
No
It can but not so easily
Can ions go through the membrane?
No
Yes
Main differences between active and passive transport?
Passive: Low to High
Active: Hight to Low
Passive: High to Low
Active: Low to high
Passive: does not require ATP
Active: ATP is required
Passive: ATP is required
Active: does not require ATP
Diffusion is a form of...
Active Transport
Passive Transport
Which of the following is NOT a type of passive transport?
Osmosis
Diffusion
Endocytosis
Facilitated Diffusion
The movement of water through a semi-permeable membrane is called ___________.
active transport
respiration
osmosis
diffusion
Which type of movement requires cellular energy?
osmosis
active transport
diffusion
facilitated diffusion
Which type of transport can get rid of cellular wastes?
Protein Pumps
Endocytosis
Exocytosis
Facilitated Diffusion
Which type of transport uses protein channels to help the particles move across the cell membrane?
endocytosis
osmosis
facilitated diffusion
exocytosis
Which of these solution types has the highest concentration of solute particles?
Hyptonic
Isotonic
Hypertonic
In which solution will water move into a cell?
Hypertonic
Hypotonic
Isotonic
Equilibrium
In the given scenario, what will happen? An egg with a dissolved shell is placed in pure water for 48 hours.
Water will move in and out of the cell equally, and the cell with neither shrink nor swell.
The egg will gain water and swell.
The egg will lose water and shrink.
Ideally, your cells should be in a(n) _______ solution to maintain equilibrium.
isotonic
hypertonic
hypotonic
isometric
What is Phagocytosis?
Eating
Drinking
A cell taking in a large object that it will eventually digest
The act of grabbing some liquid
One type of Phagocytosis is endocytosis?
True
False
What is the process of drinking?
Phagocytosis
Pinocytosis
Cellular respiration
Photosynthesis
What is Pinocytosis?
Eating
Drinking
A cell taking in a large object that it will eventually digest
The act of grabbing some liquid
Basic pinocytosis involves:
A cell taking in very small drops of extracellular fluids
Taking in drops of fluid that are outside of the cell
Is an amoeba eating a bacterium
Is a cell taking in a large object
The process of breaking down a glucose molecule to release energy is called ___________.
Glycogenolysis
Gluconeogenesis
Glycolysis
Hydrolysis
Which of the following biological processes will occur under both aerobic and anaerobic conditions in humans?
Fermentation
Lactation
glycolysis
Citric acid cycle
Glycolysis occur in the ___________ of a cell.
Golgi complex
Mitochondria
Cytosol
ribosomes
How many pyruvate molecules are formed by the glycolysis process of one moelcule of glucose?
One
Two
four
Six
Which of the following products is not created by glycolysis?
ATP
NADH
PYruvate
Lactaic acid
A --> B + C
Anabolic
Catabolic
A + B --> C
Anabolic
Catabolic
Absorb energy.
Anabolic Pathways
Catabolic Pathways
Simple Molecules --> Complex Molecules
Anabolic Pathways
Catabolic Pathways
The breakdown of glucose molecules to release energy.
Anabolic Pathways
Catabolic Pathways
Protein Synthesis, Photosynthesis, and other Biosynthetic pathways.
Anabolic Pathways
Catabolic Pathways
Where is the energy for most anabolic pathways from?
The Sun
Catabolic Pathways
Enzymes
Increased Temperature
These reactions occur when smaller molecules are bound together to create larger ones.
anabolic reaction
metabolism
competitive inhibitor
catabolic reaction
The type of reaction that occurs when a molecule is broken down by an enzyme.
Denatured
Catabolic reaction
Anabolic Reaction
Decomposition
The energy required to start a chemical reaction is ___.
endothermic
exothermic
activation
released
An _______ reaction is when more energy is released than is absorbed. This energy can be in the form of light, heat, electricity, etc.
endothermic
endergonic
exothermic
exergonic
In a _____ reaction, the products have more energy than the reactants.
exergonic
endergonic
In a _____ reaction, the reactants have more energy than the products.
endergonic
exergonic
An _______ reaction is when more energy is absorbed than is released. This energy can be in the form of light, heat, electricity, etc.
endothermic
endergonic
exothermic
exergonic
What is indicated by letter C?
enzyme
product
substrate
active site
What is indicated by letter B?
enzyme
product
substrate
active site
Can a change in pH alter the active site of an enzyme
yes
no
For the enzyme-catalyzed reaction shown in Figure 6.2, which of these treatments will cause the greatest increase in the rate of the reaction, if the initial reactant concentration is 1.0 micromolar?
doubling the activation energy needed
cooling the reaction by 10°C
doubling the concentration of the reactants to 2.0 micromolar
doubling the enzyme concentration
In Figure 6.2, why does the reaction rate plateau at higher reactant concentrations?
Feedback inhibition by product occurs at high reactant concentrations.
Most enzyme molecules are occupied by substrate at high reactant concentrations.
The reaction nears equilibrium at high reactant concentrations.
The activation energy for the reaction increases with reactant concentration.
What's going on in this picture?
The enzyme is taking the red substrate and turning it blue
The enzyme's active site is blocked by a competitive inhibitor
The enzyme can't function if too many substrates are trying to bind
This is an example of an anabolic enzyme reaction
An activor or inhibitor binding place that is not the active site, causing the enzyme to change conformation (shape) is an example of ...
competative inhibition
allosteric control
optimum conditions
induced fit
Oxidation is the _________ of electrons.
loss
gain
sharing
transfer
Reduction is the ___________ of electrons.
loss
gain
sharing
transfer
What is the correct equation for cellular respiration?
oxygen + sugar -> carbon dioxide + water + Energy
carbon dioxide + sugar + Energy -> carbon dioxide + water
carbon dioxide + water -> oxygen + sugar + Energy
carbon dioxide + water + Energy -> oxygen + sugar
What is important about cellular respiration?
It produces energy from the sun.
It forms sugar.
It transforms sugar into a usable form of energy (ATP)
Only plants perform this process.
What's the chemical formula for glucose?
6C6H12O6
C12H6O12
C6H12O6
CHO
One molecule needed for cellular respiration is
carbon dioxide
glucose
water
chlorophyll
One molecule produced by animals during cellular respiration is
carbon dioxide
glucose
oxygen
chlorophyll
Which statement is true regarding cellular respiration?
The reactants of cellular respiration are identical to the reactants of photosynthesis.
The reactants of cellular respiration are obtained from the products of photosynthesis.
The products of cellular respiration are the same as the products of photosynthesis
Cellular respiration only occurs in autotrophs, photosynthesis occurs only in heterotrophs.
A decrease in the amount of oxygen available will....
not have an effect on the amount of energy produced during cellular respiration
decrease the amount of glucose produced during cellular respiration
cause the amount of water produced during cellular respiration to increase
decrease the amount of energy produced during cellular respiration
Which of the following structure is where cellular respiration (Kreb's Cycle and Electron Transport Chain) occurs in the cell?
nucleus
cytoplasm
mitochondria
vacuoles
What type of respiration requires oxygen?
Aerobic
Anaerobic
How many ATP are produced in aerobic respiration?
2
33
4
36
Where does Glycolysis occur inside the cell? (first step in the overall process)
Cytoplasm
Mitochondria
Chloroplast
Nucleus
Which stage of the cellular respiration process produces the most ATP?
Glycolysis
Acetyl CoA
Kreb's Cycle
Electron Transport Chain
What are the waste products from fermentation? (Choose all that apply)
starch
carbon dioxide
glucose
alcohol
In the electron transport chain, Oxygen acts as...
a carrier of electrons, passing electrons down the chain
a reducing agent
the final electron acceptor
a coenzyme
When protons are pumped outside the matrix, across the inner membrane...
water is made
a concentration gradient of H+ ions (protons) is created
NADH gets reduced
CO2 is produced
The electrons that are transferred through the electron transport chain initially belonged to
NADH
FADH2
ATP
Oxygen
NADH and FADH2
The movement of protons (H+ ions) through ATP synthase occurs from the...
matrix to the intermembrane space
matrix to cytoplasm
intermembrane space to the matrix
intermembrane space to the cytoplasm
cytoplasm to the intermembrane space
True or False: Water is produced as a byproduct during this stage of cell respiration.
True
False
The process that enables ATP synthase to function is...
endocytosis
active transport
pinocytosis
osmosis
diffusion
What does FADH2 and NADH bring to the electron transport chain?
Oxygen
Water
Electron
ATP
ATP synthesis by ATP synthase is driven by
H+ movement
electron movement
NADH movement
FADH2 movement
Please indicate the correct equation(s) for Cellular Respiration. (2 answers)
Glucose + Oxygen --> Carbon Dioxide + Water + Energy
C6H12O6 + O2 --> CO2 + H2O + ATP
Carbon Dioxide + Water + Energy --> Glucose + Oxygen
C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O + ATP
When protons are pumped outside the matrix, across the inner membrane...
water is made
a concentration gradient of H+ ions (protons) is created
NADH gets reduced
CO2 is produced
Please identify the proper locations for each step of cellular respiration.
Glycolysis = Cytoplasm
Glycolysis = Mitochondria
Citric Acid Cycle = Cytoplasm
Citric Acid Cycle = Mitochondria
Oxidative Phosphorylation = Cytoplasm
