Question 1

The net effect of simultaneous electrical and concentration gradients on an ion is called a(n)____________________ gradient.

Accepted Answer

The answer of The net effect of simultaneous electrical and...

Question 2

Gap junctions can be found in some non-muscle tissues,where they permit unrestricted passage of small nutrient molecules between cells.

Accepted Answer

A) True 
 B)False

Question 3

In many cell types,membrane proteins form ____________________,which are channels specific for the passage of water.

Accepted Answer

The answer of In many cell types,membrane proteins form ____________________,which...

Question 4

What is the equilibrium potential for sodium ions?

Accepted Answer

A) ​-60 mV 
B) -30 mV 
C) zero 
D) +30 mV 
E) ​+60 mV 
A) ​-60 mV 
B) -30 mV 
C) zero 
D) +30 mV 
E) ​+60 mV

Question 5

____________________ proteins are polar molecules that do not penetrate the membrane.

Accepted Answer

The answer of ____________________ proteins are polar molecules that do...

Question 6

Figure 3-16
Answer the corresponding questions using the accompanying figure.
  
-Which labeled diagram depicts potassium being released into the ICF against its concentration gradient?​

Accepted Answer

A) ​1 
B) 2 
C) 3 
D) 4 
E) ​5
F)6 
A) ​1 
B) 2 
C) 3 
D) 4 
E) ​5
F)6

Question 7

What is the action of a solvent?

Accepted Answer

A) ​It is a compound that dissolves in waer. 
B) It is a dissolving medium. 
C) It is a compound that evaporates. 
D) It is a compound that forms salt. 
E) ​It is a compound that gains electrons. 
A) ​It is a compound that dissolves in waer. 
B) It is a dissolving medium. 
C) It is a compound that evaporates. 
D) It is a compound that forms salt. 
E) ​It is a compound that gains electrons.

Question 8

If a substance can cross a membrane,the membrane is impermeable to that substance.

Accepted Answer

A) True 
 B)False

Question 9

The plasma membrane consists mostly of lipids and proteins plus small amounts of ____.

Accepted Answer

A) ​collagen 
B) chondroitin 
C) glucosamine 
D) coenzyme Q10 
E) ​carbohydrate 
A) ​collagen 
B) chondroitin 
C) glucosamine 
D) coenzyme Q10 
E) ​carbohydrate

Question 10

Figure 3-16
Answer the corresponding questions using the accompanying figure.
  
-Which labeled diagram depicts the expenditure of energy?​

Accepted Answer

A) ​1 
B) 2 
C) 3 
D) 4 
E) ​5
F)6 
A) ​1 
B) 2 
C) 3 
D) 4 
E) ​5
F)6

Question 11

Cells organized into appropriate groupings are held together by what three means?​

Accepted Answer

A) ​ALMs,extracellular matrix,and carbohydrate molecules 
B) CAMs,cholesterol,and carbohydrate molecules 
C) CAMs,extracellular matrix,and specialized cell junctions 
D) CAMs,cholesterol,and specialized cell junctions 
E) ​ALMs,extracellular matrix,and specialized cell junctions 
A) ​ALMs,extracellular matrix,and carbohydrate molecules 
B) CAMs,cholesterol,and carbohydrate molecules 
C) CAMs,extracellular matrix,and specialized cell junctions 
D) CAMs,cholesterol,and specialized cell junctions 
E) ​ALMs,extracellular matrix,and specialized cell junctions

Question 12

Cells have a membrane potential,a slight excess of positive charges lined up along the inside of the membrane and a slight excess of negative charges on the outside.

Accepted Answer

A) True 
 B)False

Question 13

In what type of transport system does the carrier NOT directly split ATP to move a substance against its concentration gradient?

Accepted Answer

A) ​passive secondary transport 
B) active primary transport 
C) primary active transport 
D) secondary active transport 
E) ​carrier mediated diffusion 
A) ​passive secondary transport 
B) active primary transport 
C) primary active transport 
D) secondary active transport 
E) ​carrier mediated diffusion

Question 14

If red blood cells are placed in a(n)____________________ solution,water will enter the cells by osmosis.

Accepted Answer

The answer of If red blood cells are placed in...

Question 15

Some trans-membrane proteins form water-filled pathways,or ____________________,through the lipid bilayer.

Accepted Answer

The answer of Some trans-membrane proteins form water-filled pathways,or ____________________,through...

Question 16

Gap junctions are especially abundant in what kind of tissue?

Accepted Answer

A) ​nerves 
B) tendons 
C) cardiac muscle and smooth muscle 
D) brain tissue 
E) ​fingernails 
A) ​nerves 
B) tendons 
C) cardiac muscle and smooth muscle 
D) brain tissue 
E) ​fingernails

Question 17

Osmolarity is expressed in ____________________.

Accepted Answer

osmoles pe

Question 18

Materials packaged for export by the endoplasmic reticulum and Golgi complex are externalized by exocytosis.

Accepted Answer

A) True 
 B)False

Question 19

Highly lipid-soluble particles of any size can dissolve in the lipid bilayer and pass through the membrane.

Accepted Answer

A) True 
 B)False

Question 20

What ion is more concentrated in the extracellular fluid (ECF)?

Accepted Answer

A) ​potassium ions 
B) sodium ions 
C) hydrogen ions 
D) phosphorus ions 
E) ​nitrogen ions 
A) ​potassium ions 
B) sodium ions 
C) hydrogen ions 
D) phosphorus ions 
E) ​nitrogen ions

The net effect of simultaneous electrical and concentration gradients on an ion is called a(n)____________________ gradient.

Gap junctions can be found in some non-muscle tissues,where they permit unrestricted passage of small nutrient molecules between cells.

In many cell types,membrane proteins form ____________________,which are channels specific for the passage of water.

What is the equilibrium potential for sodium ions?

____________________ proteins are polar molecules that do not penetrate the membrane.

Figure 3-16 Answer the corresponding questions using the accompanying figure. -Which labeled diagram depicts potassium being released into the ICF against its concentration gradient?

What is the action of a solvent?

If a substance can cross a membrane,the membrane is impermeable to that substance.

The plasma membrane consists mostly of lipids and proteins plus small amounts of ____.

Figure 3-16 Answer the corresponding questions using the accompanying figure. -Which labeled diagram depicts the expenditure of energy?

Cells organized into appropriate groupings are held together by what three means?

Cells have a membrane potential,a slight excess of positive charges lined up along the inside of the membrane and a slight excess of negative charges on the outside.

In what type of transport system does the carrier NOT directly split ATP to move a substance against its concentration gradient?

If red blood cells are placed in a(n)____________________ solution,water will enter the cells by osmosis.

Some trans-membrane proteins form water-filled pathways,or ____________________,through the lipid bilayer.

Gap junctions are especially abundant in what kind of tissue?

Osmolarity is expressed in ____________________.

Materials packaged for export by the endoplasmic reticulum and Golgi complex are externalized by exocytosis.

Highly lipid-soluble particles of any size can dissolve in the lipid bilayer and pass through the membrane.

What ion is more concentrated in the extracellular fluid (ECF)?

Introduction to Physiology and Homeostasis

Cell Physiology

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 Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology - the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive Systembrad

Filters

Exam 3: The Plasma Membrane and Membrane Potential

The net effect of simultaneous electrical and concentration gradients on an ion is called a(n)____________________ gradient.

Gap junctions can be found in some non-muscle tissues,where they permit unrestricted passage of small nutrient molecules between cells.

In many cell types,membrane proteins form ____________________,which are channels specific for the passage of water.

What is the equilibrium potential for sodium ions?

____________________ proteins are polar molecules that do not penetrate the membrane.

Figure 3-16 Answer the corresponding questions using the accompanying figure. -Which labeled diagram depicts potassium being released into the ICF against its concentration gradient?​

What is the action of a solvent?

If a substance can cross a membrane,the membrane is impermeable to that substance.

The plasma membrane consists mostly of lipids and proteins plus small amounts of ____.

Figure 3-16 Answer the corresponding questions using the accompanying figure. -Which labeled diagram depicts the expenditure of energy?​

Cells organized into appropriate groupings are held together by what three means?​

Cells have a membrane potential,a slight excess of positive charges lined up along the inside of the membrane and a slight excess of negative charges on the outside.

In what type of transport system does the carrier NOT directly split ATP to move a substance against its concentration gradient?

If red blood cells are placed in a(n)____________________ solution,water will enter the cells by osmosis.

Some trans-membrane proteins form water-filled pathways,or ____________________,through the lipid bilayer.

Gap junctions are especially abundant in what kind of tissue?

Osmolarity is expressed in ____________________.

Materials packaged for export by the endoplasmic reticulum and Golgi complex are externalized by exocytosis.

Highly lipid-soluble particles of any size can dissolve in the lipid bilayer and pass through the membrane.

What ion is more concentrated in the extracellular fluid (ECF)?

Introduction to Physiology and Homeostasis

Cell Physiology

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 Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology - the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive Systembrad

Filters

Figure 3-16 Answer the corresponding questions using the accompanying figure. -Which labeled diagram depicts potassium being released into the ICF against its concentration gradient?

Figure 3-16 Answer the corresponding questions using the accompanying figure. -Which labeled diagram depicts the expenditure of energy?

Cells organized into appropriate groupings are held together by what three means?