Have you studied cellular and molecular biology well? Take this cellular and molecular biology quiz, and see how much you know about these topics. It is basically the study of the structure and function of organisms and biological processes at the level of cells and the macromolecules that define them. You can either practice or test your knowledge here, and See moreyour scores will say it all. All the best! Do not forget to share the quiz results with other medical people.
It must be pumped during the cycle.
It must be phosphorylated during the cycle.
It must be protonated during the cycle.
It must be deprotonated during the cycle.
It must be potassiumated during the cycle.
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Na+ ions, K+ ions
Na+ ions, glucose
Glucose, Na+ ions
K+ ions, glucose
Glucose, K+ ions
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Succinate dehydrogenase, mitochondrial matrix
Malate dehydrogenase, mitochondrial matrix
Succinate dehydrogenase, inner mitochondrial membrane
Malate dehydrogenase, inner mitochondrial membrane
Succinate dehydrogenase, intermembrane space
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Diffusion
Osmosis
Denaturation
Metabolism
Solubility
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Allosteric regulation
Irreversible inhibition
Non-covalent modification
Feedback regulation
Covalent modification
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Lucky guess
Covalent modification of enzymes
Activation of the enzymatic activity by a kinase
B and c
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Active antiport
Active uniport
Passive antiport
Active symport
Passive symport
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Allosteric site
Active site
Substrate
Cofactor
A and b
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SRNA
RRNA
TRNA
MRNA
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Electron transport chain
ATP synthase
Cardiolysin
A and b
A and c
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They help the tissue expand and contract when needed.
They function as a source of heat production during exposure to cold temperatures.
They allow the production of a larger number of ATPs per glucose.
They allow muscles to contract more efficiently.
They give the tissue its color.
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ADP
ATP
Inorganic Phosphate
Molecular oxygen
None of the above
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Anabolism
Catabolism
Manabolism
Allosterism
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Oxidation
Reduction
Inclusion
Elimination
None of the above
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Done in small steps
Used to drive the temperature of the cells up
Coupled to an endergonic reaction
Coupled to another exergonic reaction
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Completely break down a glucose molecule to carbon dioxide and water
Produce ATP by chemiosmosis
Oxidize NAD+ to NADH
Oxidize NADH to NAD+
All of the above
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Proton pump
Cardiolipin
Porins
Cytochrome complex
ATP synthesis
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Flavoproteins
Vitamins
Prosthetic groups
Cytochromes
Ubiquinone
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Energy distribution
Voltage gradient
Concentration gradient
A and b
B and c
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ATP
Water
NADH
Oxygen
FADH2
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Osmosis
Facilitated Osmosis
Simple Diffusion
Facilitated Diffusion
Active Transport
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Conformational shifts
Rigidity softness
á-helix
B-pleated sheet
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Outer membrane
Matrix
Inner membrane
Intermembrane space
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Induced fit model
Gated channels
Carrier protein transport
Uniport transport
All of the above
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Proteins are being digested to provide energy
ADP is accumulating, which produces a burning sensation
Without oxygen, pyruvate is converted to lactic acid.
Pyruvic acid causes muscle pain.
Carbon dioxide is building up in muscle and changing the pH.
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Fatty acids
Glucose
Oxygen
Water
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K¨ T ¨ B¨ Q ¨ X
K ¨ X ¨ B ¨ Q ¨ T
K ¨ Q ¨ T ¨ B ¨ X
X ¨ B ¨ T ¨ Q ¨ K
T ¨ B ¨ K ¨ Q ¨ X
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Thermodynamic spontaneity
The second law of thermodynamics
Enthalpy
The first law of thermodynamics
Entropy
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The reaction is not spontaneous under standard conditions.
There can be no reaction.
The reaction is at equilibrium under standard conditions.
Products predominate over reactants at equilibrium under standard conditions.
The reaction goes spontaneously to the right under standard conditions.
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The reactant is predominant in equilibrium
The reaction is not possible
The reaction is at equilibrium
Energy must be added to the reaction before it can proceed.
The reaction is exothermic.
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Has to occur immediately.
Is associated exclusively with homeothermic organisms
Has an overall positive free energy change
Will never occur
Could occur but might take a very long time.
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Work can be done under these conditions.
Reactants predominate over products.
Reactants and products are at equilibrium.
The reaction is exothermic.
The reaction is spontaneous to the right.
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Reactants and 𝝙G products are at equilibrium.
The reaction is spontaneous to the left.
Work can be done; energy is required.
No work can be done; no energy is required.
Both A and D
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Aquaporins
Anion exchange protein
Channel proteins
Oxygen transport
GluT1 glucose transporter
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The energy for transport is generated by the gradient of the substance being transported.
The energy for transport is generated by the molecular bonds of the substance being transported.
Transport of the substance is the result of a conformational change.
It is specific to the molecule being transported.
It requires the binding of the molecule to be transported.
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Water moves from a region of higher solute concentration to a region of lower solute concentration.
Water moves from a region of lower solute concentration to a region of higher solute concentration.
Water moves across a semipermeable membrane from a region of higher water concentration to a region of lower water concentration.
Water moves across a semipermeable membrane from a region of lower water concentration to a region of higher water concentration.
Water moves from a region of higher osmotic pressure to a region of lower osmotic pressure.
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Can inactivate an enzyme
Can activate an enzyme.
Affects the activity of an enzyme by adding or removing a chemical group.
Can involve the addition of phosphate groups.
All of the above
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Glucogeneration
Glycolysis.
Gluconeogenesis.
Aglycolysis.
Both B and C
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Acetyl CoA
FADH2
ATP
NADH
Carbon dioxide (CO2)
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ATP
Light
Oxygen
Glucose
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Sweating removes prosthetic groups from biological enzymes.
Enzymes do not function as well at temperatures other than the optimal temperature.
Bacteria reproduce more rapidly at higher body temperature.
The higher temperature increases the activity of lysases.
Fever blocks the synthesis of proteins in the bacterial nucleus.
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Allosteric regulation
Covalent modification
Feedback inhibition
Substrate-level phosphorylation
Saturation
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NAD+ is used to carry electrons.
NADH is used primarily in substrate-level phosphorylation.
NADH is capable of pumping ions during glycolysis.
NADH is used to produce energy by directly creating the phosphoanhydride bonds in ATP.
All of the above
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It pumps negative ions into the cell.
It pumps 3 sodium ions out of the cell for every 2 potassium ions pumped in.
It pumps 3 potassium ions out of the cell for every 2 sodium ions pumped in
It pumps 3 sodium ions out of the cell for every 2 sodium ions pumped in.
It pumps 3 potassium ions out of the cell for every 2 potassium ions pumped in.
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Activation barrier
Enzyme-substrate complex
Transition state
Steady state
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Irreversible
Uncompetitive
Reversible
Allosteric
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Vmax stays the same, KM decreases.
Vmax decreases, KM is unchanged.
Vmax increases, KM is unchanged.
Vmax stays the same, KM is unchanged.
Vmax stays the same, KM increases.
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It must be deprotonated during the cycle.
It must phosphorylated during the cycle.
It must be pumped during the cycle.
It must be protonated during the cycle.
It must be potassiumated during the cycle.
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