Question 1

Which of the following statements is correct for integrins?

Accepted Answer

A) They create a filamentous meshwork in the inner surface of the membrane. 
B) They act as membrane-bounded 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-bounded 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 2

____________________ refers to the process of an intracellular vesicle fusing with the plasma membrane, then opening and emptying its contents to the exterior.

Accepted Answer

The answer of ____________________ refers to the process of an...

Question 3

Which of the following statements is NOT correct about the plasma membrane?

Accepted Answer

A) Cholesterol contributes to its stability. 
B) Membrane proteins are inserted in a lipid bilayer. 
C)  It consists mostly of lipids and proteins. 
D)  Membrane carbohydrates are on only its inner surface. 
A) Cholesterol contributes to its stability. 
B) Membrane proteins are inserted in a lipid bilayer. 
C)  It consists mostly of lipids and proteins. 
D)  Membrane carbohydrates are on only its inner surface.

Question 4

At the equilibrium potential for K+, the concentration and electrical gradients for K+ are in opposition to each other and exactly balance each other so there is no net movement of K+.

Accepted Answer

A) True 
 B)False

Question 5

Where are cristae found?

Accepted Answer

A) lysosome 
B) mitochondrion 
C)  nucleolus 
D)  nucleus 
A) lysosome 
B) mitochondrion 
C)  nucleolus 
D)  nucleus

Question 6

Match the terms, labelled a. through i., to their descriptions. (Options may be used more than once or not at all.)
a.endoplasmic reticulum (ER)
b.Golgi complex
c.lysosome
d.peroxisome
e.mitochondrion
f.vault
g.free ribosome
h.microtubule
i.microfilament
-shaped like an octagonal barrel

Accepted Answer

The answer of Match the terms, labelled a. through i.,...

Question 7

Match the cellular proteins, labelled a. through e., with their correct characteristic.
a.dynamin
b.tubulin
c.kinesin
d.actin
e.ribophorin
-causes pinching off of endocytic vesicles

Accepted Answer

The answer of Match the cellular proteins, labelled a. through...

Question 8

What accounts for the most ATP production?

Accepted Answer

A) Krebs cycle 
B) citric acid cycle 
C)  NADH 
D)  electron transport and oxidative phosphorylation 
A) Krebs cycle 
B) citric acid cycle 
C)  NADH 
D)  electron transport and oxidative phosphorylation

Question 9

For every 3 sodium ions the sodium-potassium pump moves out of the cell, how many potassium ions does it move into the cell?

Accepted Answer

A) 3 
B) 2 
C)  1 
D)  0 
A) 3 
B) 2 
C)  1 
D)  0

Question 10

What does chemiosmosis do?

Accepted Answer

A) releases CO2 
B) extracts energy from a H+ concentration gradient 
C)  reduces NAD 
D)  ferments pyruvic acid to lactic acid 
A) releases CO2 
B) extracts energy from a H+ concentration gradient 
C)  reduces NAD 
D)  ferments pyruvic acid to lactic acid

Question 11

Match the terms, labelled a. through c., with their characteristics, labelled 1. (Options may be used more than once or not at all.)
a.glycolysis
b.citric acid cycle
c.oxidative phosphorylation
-takes place in the mitochondrial matrix

Accepted Answer

The answer of Match the terms, labelled a. through c.,...

Question 12

Match the terms, labelled a. through i., to their descriptions. (Options may be used more than once or not at all.)
a.endoplasmic reticulum (ER)
b.Golgi complex
c.lysosome
d.peroxisome
e.mitochondrion
f.vault
g.free ribosome
h.microtubule
i.microfilament
-an important component of cilia and flagella

Accepted Answer

The answer of Match the terms, labelled a. through i.,...

Question 13

Match the terms, labelled a. through i., to their descriptions. (Options may be used more than once or not at all.)
a.endoplasmic reticulum (ER)
b.Golgi complex
c.lysosome
d.peroxisome
e.mitochondrion
f.vault
g.free ribosome
h.microtubule
i.microfilament
-one continuous extensive organelle consisting of a network of tubules and flattened filament

Accepted Answer

The answer of Match the terms, labelled a. through i.,...

Question 14

The membrane potential that exists when the concentration and electrical gradients for a given ion exactly counterbalance each other is known as the ____________________.

Accepted Answer

equilibriu

Question 15

Match the terms, labelled a. through d., to their descriptions. (Options may be used more than once or not at all.)
a.microtubules
b.microfilaments
c.intermediate filaments
d.micro trabecular lattice
-present in parts of the cell subject to mechanical stress

Accepted Answer

The answer of Match the terms, labelled a. through d.,...

Question 16

The passive current flow of a graded potential fades quickly.

Accepted Answer

A) True 
 B)False

Question 17

A spike is another name for the axon of a neuron.

Accepted Answer

A) True 
 B)False

Question 18

The period of time following an action potential during which a membrane cannot be restimulated, no matter how strong the stimulus, is known as the subminimal response period.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is NOT a function of membrane proteins?

Accepted Answer

A) to serve as channels 
B) to determine the fluidity of the membrane 
C)  to serve as carriers 
D)  to serve as receptor sites 
A) to serve as channels 
B) to determine the fluidity of the membrane 
C)  to serve as carriers 
D)  to serve as receptor sites

Question 20

Match the cellular proteins, labelled a. through e., with their correct characteristic.
a.dynamin
b.tubulin
c.kinesin
d.actin
e.ribophorin
-comprises microtubules

Accepted Answer

The answer of Match the cellular proteins, labelled a. through...

Which of the following statements is correct for integrins?

____________________ refers to the process of an intracellular vesicle fusing with the plasma membrane, then opening and emptying its contents to the exterior.

Which of the following statements is NOT correct about the plasma membrane?

At the equilibrium potential for K⁺, the concentration and electrical gradients for K⁺ are in opposition to each other and exactly balance each other so there is no net movement of K⁺.

Where are cristae found?

Match the terms, labelled a. through i., to their descriptions. (Options may be used more than once or not at all.) a.endoplasmic reticulum (ER) b.Golgi complex c.lysosome d.peroxisome e.mitochondrion f.vault g.free ribosome h.microtubule i.microfilament -shaped like an octagonal barrel

Match the cellular proteins, labelled a. through e., with their correct characteristic. a.dynamin b.tubulin c.kinesin d.actin e.ribophorin -causes pinching off of endocytic vesicles

What accounts for the most ATP production?

For every 3 sodium ions the sodium-potassium pump moves out of the cell, how many potassium ions does it move into the cell?

What does chemiosmosis do?

Match the terms, labelled a. through c., with their characteristics, labelled 1. (Options may be used more than once or not at all.) a.glycolysis b.citric acid cycle c.oxidative phosphorylation -takes place in the mitochondrial matrix

Match the terms, labelled a. through i., to their descriptions. (Options may be used more than once or not at all.) a.endoplasmic reticulum (ER) b.Golgi complex c.lysosome d.peroxisome e.mitochondrion f.vault g.free ribosome h.microtubule i.microfilament -an important component of cilia and flagella

The membrane potential that exists when the concentration and electrical gradients for a given ion exactly counterbalance each other is known as the ____________________.

Match the terms, labelled a. through d., to their descriptions. (Options may be used more than once or not at all.) a.microtubules b.microfilaments c.intermediate filaments d.micro trabecular lattice -present in parts of the cell subject to mechanical stress

The passive current flow of a graded potential fades quickly.

A spike is another name for the axon of a neuron.

The period of time following an action potential during which a membrane cannot be restimulated, no matter how strong the stimulus, is known as the subminimal response period.

Which of the following is NOT a function of membrane proteins?

Match the cellular proteins, labelled a. through e., with their correct characteristic. a.dynamin b.tubulin c.kinesin d.actin e.ribophorin -comprises microtubules

Introduction to Physiology and Homeostasis

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

Filters

Exam 2: Cell Physiology

Which of the following statements is correct for integrins?

____________________ refers to the process of an intracellular vesicle fusing with the plasma membrane, then opening and emptying its contents to the exterior.

Which of the following statements is NOT correct about the plasma membrane?

At the equilibrium potential for K+, the concentration and electrical gradients for K+ are in opposition to each other and exactly balance each other so there is no net movement of K+.

Where are cristae found?

Match the terms, labelled a. through i., to their descriptions. (Options may be used more than once or not at all.) a.endoplasmic reticulum (ER) b.Golgi complex c.lysosome d.peroxisome e.mitochondrion f.vault g.free ribosome h.microtubule i.microfilament -shaped like an octagonal barrel

Match the cellular proteins, labelled a. through e., with their correct characteristic. a.dynamin b.tubulin c.kinesin d.actin e.ribophorin -causes pinching off of endocytic vesicles

What accounts for the most ATP production?

For every 3 sodium ions the sodium-potassium pump moves out of the cell, how many potassium ions does it move into the cell?

What does chemiosmosis do?

Match the terms, labelled a. through c., with their characteristics, labelled 1. (Options may be used more than once or not at all.) a.glycolysis b.citric acid cycle c.oxidative phosphorylation -takes place in the mitochondrial matrix

The membrane potential that exists when the concentration and electrical gradients for a given ion exactly counterbalance each other is known as the ____________________.

Match the terms, labelled a. through d., to their descriptions. (Options may be used more than once or not at all.) a.microtubules b.microfilaments c.intermediate filaments d.micro trabecular lattice -present in parts of the cell subject to mechanical stress

The passive current flow of a graded potential fades quickly.

A spike is another name for the axon of a neuron.

The period of time following an action potential during which a membrane cannot be restimulated, no matter how strong the stimulus, is known as the subminimal response period.

Which of the following is NOT a function of membrane proteins?

Match the cellular proteins, labelled a. through e., with their correct characteristic. a.dynamin b.tubulin c.kinesin d.actin e.ribophorin -comprises microtubules

Introduction to Physiology and Homeostasis

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

Filters

At the equilibrium potential for K⁺, the concentration and electrical gradients for K⁺ are in opposition to each other and exactly balance each other so there is no net movement of K⁺.