Question 1

By osmosis, a water molecule always moves to an area of higher ________________.

Accepted Answer

A) electrical intensity 
B) fluid pressure 
C) mitochondrial activity 
D) solute concentration 
A) electrical intensity 
B) fluid pressure 
C) mitochondrial activity 
D) solute concentration

Question 2

The two dark lines in the trilaminar appearance of the plasma membrane are believed to be caused by the preferential staining of the hydrophilic polar regions of the membrane constituents.

Accepted Answer

A) True 
 B)False

Question 3

Match the terms, labelled a. through d., to their descriptions. (Options may be used more than once or not at all.)
-slide past each other to cause ciliary bending

Accepted Answer

A) microtubules 
B) microfilaments 
C) intermediate filaments 
D) micro trabecular lattice 
A) microtubules 
B) microfilaments 
C) intermediate filaments 
D) micro trabecular lattice

Question 4

The neuronal relationship in which a single presynaptic cell branches to terminate on many other cells is called ____________________.

Accepted Answer

The answer of The neuronal relationship in which a single...

Question 5

What does the SNARE complex provide

Accepted Answer

A) recognition of foreign proteins in the cell 
B) binding of correct enzyme with correct substrate 
C) means to deliver vesicles to an appropriate site 
D) receptor-mediated endocytosis 
A) recognition of foreign proteins in the cell 
B) binding of correct enzyme with correct substrate 
C) means to deliver vesicles to an appropriate site 
D) receptor-mediated endocytosis

Question 6

Peroxisomes are membranous organelles that produce and decompose which compound

Accepted Answer

A) protein 
B) carbohydrates 
C) hydrogen peroxide 
D) triglycerides 
A) protein 
B) carbohydrates 
C) hydrogen peroxide 
D) triglycerides

Question 7

If a typical body cell is placed in a 5 percent saline solution, what will happen to the cell

Accepted Answer

A) It will fill with water. 
B) It will lyse. 
C) It will lose water. 
D) It will remain unchanged. 
A) It will fill with water. 
B) It will lyse. 
C) It will lose water. 
D) It will remain unchanged.

Question 8

The following questions refer to comparative concentrations, permeabilities, and potentials under various circumstances. Match the relationship between the two items, A. and B.., with the qualifications labelled a. through c. (Options may be used more than once or not at all.)
-a.concentration of Na⁺ in the extracellular fluid
B.concentration of Na⁺ in the intracellular fluid of a resting nerve cell

Accepted Answer

A) A is greater than B 
B) B is greater than A 
C) A and B are equal 
A) A is greater than B 
B) B is greater than A 
C) A and B are equal

Question 9

One extracellular messenger molecule can ultimately influence the activity of only one protein molecule within the cell.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is NOT a function of the Golgi complex

Accepted Answer

A) to sort and direct products to their final destination 
B) to modify proteins chemically 
C) to produce secretory vesicles 
D) to synthesize proteins 
A) to sort and direct products to their final destination 
B) to modify proteins chemically 
C) to produce secretory vesicles 
D) to synthesize proteins

Question 11

Which of the following mechanisms is used by large polar molecules when they leave or enter the cell

Accepted Answer

A) by vesicular transport 
B) by osmosis 
C) by selective passive transport 
D) with the help of large lipid carriers 
A) by vesicular transport 
B) by osmosis 
C) by selective passive transport 
D) with the help of large lipid carriers

Question 12

Cytokinesis is the division of the nucleus during mitosis.

Accepted Answer

A) True 
 B)False

Question 13

Match the cellular proteins, labelled a. through e., with their correct characteristic.
-causes pinching off of endocytic vesicles

Accepted Answer

A) dynamin 
B) tubulin 
C) kinesin 
D) actin 
E) ribophorin 
A) dynamin 
B) tubulin 
C) kinesin 
D) actin 
E) ribophorin

Question 14

____________________ refers collectively to the large set of intracellular chemical reactions that involve the degradation, synthesis, and transformation of small organic molecules.

Accepted Answer

Intermedia

Question 15

The lysosomes are one site of protein synthesis.

Accepted Answer

A) True 
 B)False

Question 16

Action potentials can be summed.

Accepted Answer

A) True 
 B)False

Question 17

Movement of potassium into cells always requires energy expenditure.

Accepted Answer

A) True 
 B)False

Question 18

What triggers the exocytosis of secretory products by entering a cell in response to a specific neural or hormonal stimulus

Accepted Answer

A) K⁺ 
B) Na⁺ 
C) Ca²⁺ 
D) ATP 
A) K⁺ 
B) Na⁺ 
C) Ca²⁺ 
D) ATP

Question 19

Which of these statements describes phospholipids

Accepted Answer

A) They consist of a polar, hydrophilic, phosphate-bearing head and two nonpolar hydrophobic, fatty-acid tails. 
B) They are lined as a single layer in membranes. 
C) They serve as carrier molecules. 
D) The small amount of membrane carbohydrate is located on the inner surface of the phospholipid layer. 
A) They consist of a polar, hydrophilic, phosphate-bearing head and two nonpolar hydrophobic, fatty-acid tails. 
B) They are lined as a single layer in membranes. 
C) They serve as carrier molecules. 
D) The small amount of membrane carbohydrate is located on the inner surface of the phospholipid layer.

Question 20

Where are cristae found

Accepted Answer

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

By osmosis, a water molecule always moves to an area of higher ________________.

The two dark lines in the trilaminar appearance of the plasma membrane are believed to be caused by the preferential staining of the hydrophilic polar regions of the membrane constituents.

Match the terms, labelled a. through d., to their descriptions. (Options may be used more than once or not at all.) -slide past each other to cause ciliary bending

The neuronal relationship in which a single presynaptic cell branches to terminate on many other cells is called ____________________.

What does the SNARE complex provide

Peroxisomes are membranous organelles that produce and decompose which compound

If a typical body cell is placed in a 5 percent saline solution, what will happen to the cell

One extracellular messenger molecule can ultimately influence the activity of only one protein molecule within the cell.

Which of the following is NOT a function of the Golgi complex

Which of the following mechanisms is used by large polar molecules when they leave or enter the cell

Cytokinesis is the division of the nucleus during mitosis.

Match the cellular proteins, labelled a. through e., with their correct characteristic. -causes pinching off of endocytic vesicles

____________________ refers collectively to the large set of intracellular chemical reactions that involve the degradation, synthesis, and transformation of small organic molecules.

The lysosomes are one site of protein synthesis.

Action potentials can be summed.

Movement of potassium into cells always requires energy expenditure.

What triggers the exocytosis of secretory products by entering a cell in response to a specific neural or hormonal stimulus

Which of these statements describes phospholipids

Where are cristae found

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

By osmosis, a water molecule always moves to an area of higher ________________.

The two dark lines in the trilaminar appearance of the plasma membrane are believed to be caused by the preferential staining of the hydrophilic polar regions of the membrane constituents.

Match the terms, labelled a. through d., to their descriptions. (Options may be used more than once or not at all.) -slide past each other to cause ciliary bending

The neuronal relationship in which a single presynaptic cell branches to terminate on many other cells is called ____________________.

What does the SNARE complex provide

Peroxisomes are membranous organelles that produce and decompose which compound

If a typical body cell is placed in a 5 percent saline solution, what will happen to the cell

One extracellular messenger molecule can ultimately influence the activity of only one protein molecule within the cell.

Which of the following is NOT a function of the Golgi complex

Which of the following mechanisms is used by large polar molecules when they leave or enter the cell

Cytokinesis is the division of the nucleus during mitosis.

Match the cellular proteins, labelled a. through e., with their correct characteristic. -causes pinching off of endocytic vesicles

____________________ refers collectively to the large set of intracellular chemical reactions that involve the degradation, synthesis, and transformation of small organic molecules.

The lysosomes are one site of protein synthesis.

Action potentials can be summed.

Movement of potassium into cells always requires energy expenditure.

What triggers the exocytosis of secretory products by entering a cell in response to a specific neural or hormonal stimulus

Which of these statements describes phospholipids

Where are cristae found

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