Question 1

Which organelles contain oxidative enzymes

Accepted Answer

A) peroxisomes and lysosomes 
B) mitochondria and nuclei 
C) lysosomes and vaults 
D) ribosomes and microtubules 
A) peroxisomes and lysosomes 
B) mitochondria and nuclei 
C) lysosomes and vaults 
D) ribosomes and microtubules

Question 2

What is the purpose of glycolysis

Accepted Answer

A) to produce citric acid 
B) to liberate energy from glucose 
C) to produce large numbers of ATP 
D) to trap energy in FADH₂ 
A) to produce citric acid 
B) to liberate energy from glucose 
C) to produce large numbers of ATP 
D) to trap energy in FADH₂

Question 3

Match the ions, labelled a. through d., with their various roles. (Options may be used more than once or not at all.)
-anion in greatest concentration in the ECF

Accepted Answer

A) Na+ 
B) K⁺ 
C) A- 
D) Cl- 
A) Na+ 
B) K⁺ 
C) A- 
D) Cl-

Question 4

Which of these statements applies to an anaerobic condition

Accepted Answer

A) Oxygen is plentiful. 
B) The degradation of glucose cannot proceed beyond glycolysis. 
C) Mitochondrial processing of nutrient molecules takes place. 
D) It produces a high yield of oxygen molecules. 
A) Oxygen is plentiful. 
B) The degradation of glucose cannot proceed beyond glycolysis. 
C) Mitochondrial processing of nutrient molecules takes place. 
D) It produces a high yield of oxygen molecules.

Question 5

____________________ are molecules produced by nerve cells and that bind to nonsynaptic receptors.

Accepted Answer

The answer of ____________________ are molecules produced by nerve cells...

Question 6

Which of these statements describes integrins

Accepted Answer

A) They create a filamentous meshwork in the inner surface of the membrane. 
B) They act as membrane-bound enzymes. 
C) They are used for cell recognition purposes. 
D) They span the membrane, providing a mechanical link between the outer membrane and the cell's surrounding. 
A) They create a filamentous meshwork in the inner surface of the membrane. 
B) They act as membrane-bound enzymes. 
C) They are used for cell recognition purposes. 
D) They span the membrane, providing a mechanical link between the outer membrane and the cell's surrounding.

Question 7

What is the correct sequence at a synapse

Accepted Answer

A) neurotransmitter diffuses across cleft; calcium induces exocytosis of neurotransmitter; permeability of postsynaptic membrane is altered; neurotransmitter binds to receptor on chemically gated channel; ion channels open 
B) neurotransmitter diffuses across cleft; ion channels open; permeability of postsynaptic membrane is altered; calcium induces exocytosis of neurotransmitter; neurotransmitter binds to receptor on chemically gated channel 
C) calcium induces exocytosis of neurotransmitter; neurotransmitter diffuses across cleft; neurotransmitter binds to receptor on chemically gated channel; ion channels open; permeability of postsynaptic membrane is altered 
D) permeability of postsynaptic membrane is altered; neurotransmitter diffuses across cleft; ion channels open; neurotransmitter binds to receptor on chemically gated channel; calcium induces exocytosis of neurotransmitter 
A) neurotransmitter diffuses across cleft; calcium induces exocytosis of neurotransmitter; permeability of postsynaptic membrane is altered; neurotransmitter binds to receptor on chemically gated channel; ion channels open 
B) neurotransmitter diffuses across cleft; ion channels open; permeability of postsynaptic membrane is altered; calcium induces exocytosis of neurotransmitter; neurotransmitter binds to receptor on chemically gated channel 
C) calcium induces exocytosis of neurotransmitter; neurotransmitter diffuses across cleft; neurotransmitter binds to receptor on chemically gated channel; ion channels open; permeability of postsynaptic membrane is altered 
D) permeability of postsynaptic membrane is altered; neurotransmitter diffuses across cleft; ion channels open; neurotransmitter binds to receptor on chemically gated channel; calcium induces exocytosis of neurotransmitter

Question 8

Spatial summation involves only one neuron influencing one other neuron.

Accepted Answer

A) True 
 B)False

Question 9

Coated vesicles enclose a representative mixture of proteins present in the Golgi sac before budding off.

Accepted Answer

A) True 
 B)False

Question 10

Match the ions, labelled a. through d., with their various roles. (Options may be used more than once or not at all.)
-ion whose equilibrium potential is greater than the resting membrane potential

Accepted Answer

A) Na+ 
B) K⁺ 
C) A- 
D) Cl- 
A) Na+ 
B) K⁺ 
C) A- 
D) Cl-

Question 11

A single neuron may be presynaptic to one group of neurons and postsynaptic to another group of neurons.

Accepted Answer

A) True 
 B)False

Question 12

Electron microscopes are about 100 times more powerful than light microscopes.

Accepted Answer

A) True 
 B)False

Question 13

During the resting membrane potential, the inside of a neuron is net ____________________ by charge.

Accepted Answer

The answer of During the resting membrane potential, the inside...

Question 14

Match the terms, labelled a. through f., to their correct descriptions. (Options may be used more than once or not at all.)
-site of fat and glycogen storage

Accepted Answer

A) plasma membrane 
B) nucleus 
C) cytoplasm 
D) cytosol 
E) organelles
F)cytoskeleton 
A) plasma membrane 
B) nucleus 
C) cytoplasm 
D) cytosol 
E) organelles
F)cytoskeleton

Question 15

The surface carbohydrates within the plasma membrane serve as cell adhesion molecules (CAMs), which cells use to grip one another and surrounding connective tissue fibres.

Accepted Answer

A) True 
 B)False

Question 16

Match the terms, labelled a. through c., to their descriptions. (Options may be used more than once or not at all.)
-hair-like motile protrusions

Accepted Answer

A) flagella 
B) cilia 
C) microvilli 
A) flagella 
B) cilia 
C) microvilli

Question 17

In the lipid bilayer of the plasma membrane, the hydrophobic tails of the phospholipids orient toward the centre of the membrane, away from water.

Accepted Answer

A) True 
 B)False

Question 18

Which of these statements does NOT refer to neuronal integration

Accepted Answer

A) Inhibitory synapses cause postsynaptic hyperpolarization. 
B) An inhibitory synapse may result in a postsynaptic sodium channel opening. 
C) An inhibitory synapse may result in increased postsynaptic potassium efflux. 
D) An excitatory synapse causes depolarization of postsynaptic membranes. 
A) Inhibitory synapses cause postsynaptic hyperpolarization. 
B) An inhibitory synapse may result in a postsynaptic sodium channel opening. 
C) An inhibitory synapse may result in increased postsynaptic potassium efflux. 
D) An excitatory synapse causes depolarization of postsynaptic membranes.

Question 19

All the following statements describe the Na⁺-K⁺ pump EXCEPT which one

Accepted Answer

A) Its phosphorylated conformation has high affinity for K⁺ when exposed to the ICF. 
B) It has ATPase activity. 
C) It establishes Na⁺ and K⁺ concentration gradients across the plasma membrane; these gradients are critically important in the ability of nerve and muscle cells to generate electrical impulses essential to their functioning. 
D) It helps regulate cell volume by controlling the concentration of solutes inside the cell to minimize osmotic effects that would induce swelling or shrinking of the cell. 
A) Its phosphorylated conformation has high affinity for K⁺ when exposed to the ICF. 
B) It has ATPase activity. 
C) It establishes Na⁺ and K⁺ concentration gradients across the plasma membrane; these gradients are critically important in the ability of nerve and muscle cells to generate electrical impulses essential to their functioning. 
D) It helps regulate cell volume by controlling the concentration of solutes inside the cell to minimize osmotic effects that would induce swelling or shrinking of the cell.

Question 20

____________________ RNA carries amino acids to the sites of protein synthesis in the cell.

Accepted Answer

The answer of ____________________ RNA carries amino acids to the...

Which organelles contain oxidative enzymes

What is the purpose of glycolysis

Match the ions, labelled a. through d., with their various roles. (Options may be used more than once or not at all.) -anion in greatest concentration in the ECF

Which of these statements applies to an anaerobic condition

____________________ are molecules produced by nerve cells and that bind to nonsynaptic receptors.

Which of these statements describes integrins

What is the correct sequence at a synapse

Spatial summation involves only one neuron influencing one other neuron.

Coated vesicles enclose a representative mixture of proteins present in the Golgi sac before budding off.

Match the ions, labelled a. through d., with their various roles. (Options may be used more than once or not at all.) -ion whose equilibrium potential is greater than the resting membrane potential

A single neuron may be presynaptic to one group of neurons and postsynaptic to another group of neurons.

Electron microscopes are about 100 times more powerful than light microscopes.

During the resting membrane potential, the inside of a neuron is net ____________________ by charge.

Match the terms, labelled a. through f., to their correct descriptions. (Options may be used more than once or not at all.) -site of fat and glycogen storage

The surface carbohydrates within the plasma membrane serve as cell adhesion molecules (CAMs), which cells use to grip one another and surrounding connective tissue fibres.

Match the terms, labelled a. through c., to their descriptions. (Options may be used more than once or not at all.) -hair-like motile protrusions

In the lipid bilayer of the plasma membrane, the hydrophobic tails of the phospholipids orient toward the centre of the membrane, away from water.

Which of these statements does NOT refer to neuronal integration

All the following statements describe the Na⁺-K⁺ pump EXCEPT which one

____________________ RNA carries amino acids to the sites of protein synthesis in the cell.

The Foundation of Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

Principles of Endocrinology: The Central Endocrine Glands

The Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

The Reproductive System

Filters

Exam 2: Cell Physiology

Which organelles contain oxidative enzymes

What is the purpose of glycolysis

Match the ions, labelled a. through d., with their various roles. (Options may be used more than once or not at all.) -anion in greatest concentration in the ECF

Which of these statements applies to an anaerobic condition

____________________ are molecules produced by nerve cells and that bind to nonsynaptic receptors.

Which of these statements describes integrins

What is the correct sequence at a synapse

Spatial summation involves only one neuron influencing one other neuron.

Coated vesicles enclose a representative mixture of proteins present in the Golgi sac before budding off.

Match the ions, labelled a. through d., with their various roles. (Options may be used more than once or not at all.) -ion whose equilibrium potential is greater than the resting membrane potential

A single neuron may be presynaptic to one group of neurons and postsynaptic to another group of neurons.

Electron microscopes are about 100 times more powerful than light microscopes.

During the resting membrane potential, the inside of a neuron is net ____________________ by charge.

Match the terms, labelled a. through f., to their correct descriptions. (Options may be used more than once or not at all.) -site of fat and glycogen storage

The surface carbohydrates within the plasma membrane serve as cell adhesion molecules (CAMs), which cells use to grip one another and surrounding connective tissue fibres.

Match the terms, labelled a. through c., to their descriptions. (Options may be used more than once or not at all.) -hair-like motile protrusions

In the lipid bilayer of the plasma membrane, the hydrophobic tails of the phospholipids orient toward the centre of the membrane, away from water.

Which of these statements does NOT refer to neuronal integration

All the following statements describe the Na⁺-K⁺ pump EXCEPT which one

____________________ RNA carries amino acids to the sites of protein synthesis in the cell.

The Foundation of Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

Principles of Endocrinology: The Central Endocrine Glands

The Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

The Reproductive System

Filters