Question 1

Describe what happens to NaCl when placed in water.

Accepted Answer

Water molecules break the ionic bonds ho

Question 2

What is the induced-fit model? List the types of bonds involved and classify them as strong or weak.

Accepted Answer

The interaction between a protein bindin

Question 3

This particle has a neutral charge and a mass of 1.

Accepted Answer

A)  proton 
B)  neutron 
C)  electron 
D)  hydrogen 
E)  magnesium 
A)  proton 
B)  neutron 
C)  electron 
D)  hydrogen 
E)  magnesium

Question 4

A molecule referred to as highly soluble is

Accepted Answer

A)  very likely to dissolve in water. 
B)  not very likely to dissolve in water. 
C)  called aqueous. 
D)  very likely to dissolve in water and is called aqueous. 
E)  not very likely to dissolve in water and is called aqueous. 
A)  very likely to dissolve in water. 
B)  not very likely to dissolve in water. 
C)  called aqueous. 
D)  very likely to dissolve in water and is called aqueous. 
E)  not very likely to dissolve in water and is called aqueous.

Question 5

Protein specificity is the

Accepted Answer

A)  activation of a specific protein that is needed to perform a particular function. 
B)  degree to which a protein is attracted to a ligand. 
C)  ability of a protein to bind a certain ligand or a group of related ligands. 
D)  degree to which a protein-ligand complex initiates a response. 
E)  degree to which a protein is attracted to a ligand and the ability of a protein to bind a certain ligand or a group of related ligands. 
A)  activation of a specific protein that is needed to perform a particular function. 
B)  degree to which a protein is attracted to a ligand. 
C)  ability of a protein to bind a certain ligand or a group of related ligands. 
D)  degree to which a protein-ligand complex initiates a response. 
E)  degree to which a protein is attracted to a ligand and the ability of a protein to bind a certain ligand or a group of related ligands.

Question 6

Which of the following best describes an irreversible antagonist?

Accepted Answer

A)  involved in activation via phosphorylation 
B)  cannot be displaced by competition 
C)  binds to proteins away from the active site 
D)  reversible antagonist 
E)  allosteric enhancer 
A)  involved in activation via phosphorylation 
B)  cannot be displaced by competition 
C)  binds to proteins away from the active site 
D)  reversible antagonist 
E)  allosteric enhancer

Question 7

The reaction rates of many chemical reactions that occur in the body are controlled by special protein molecules called

Accepted Answer

A)  neurotransmitters. 
B)  purines. 
C)  nucleic acids. 
D)  enzymes. 
E)  intermediates. 
A)  neurotransmitters. 
B)  purines. 
C)  nucleic acids. 
D)  enzymes. 
E)  intermediates.

Question 8

The largest carbohydrate molecules are called polysaccharides because they are composed of ________ molecules bonded together with one another.

Accepted Answer

A)  amino acid 
B)  nucleotide 
C)  purine 
D)  pyrimidine 
E)  simple sugar 
A)  amino acid 
B)  nucleotide 
C)  purine 
D)  pyrimidine 
E)  simple sugar

Question 9

A component of an important buffer in the human body is

Accepted Answer

A)  NaCl. 
B)  H⁺. 
C)  HCl. 
D)  HCO₃⁻. 
E)  H₂O. 
A)  NaCl. 
B)  H⁺. 
C)  HCl. 
D)  HCO₃⁻. 
E)  H₂O.

Describe what happens to NaCl when placed in water.

What is the induced-fit model? List the types of bonds involved and classify them as strong or weak.

This particle has a neutral charge and a mass of 1.

A molecule referred to as highly soluble is

Protein specificity is the

Which of the following best describes an irreversible antagonist?

The reaction rates of many chemical reactions that occur in the body are controlled by special protein molecules called

The largest carbohydrate molecules are called polysaccharides because they are composed of ________ molecules bonded together with one another.

A component of an important buffer in the human body is

Introduction to Physiology

Compartmentation: Cells and Tissues

Energy and Cellular Metabolism

Membrane Dynamics

Communication, Integration, and Homeostasis

Introduction to the Endocrine System

Neurons: Cellular and Network Properties

The Central Nervous System

Sensory Physiology

Efferent Division: Autonomic and Somatic Motor Control

Muscles

Integrative Physiology I: Control of Body Movement

Cardiovascular Physiology

Blood Flow and the Control of Blood Pressure

Blood

Mechanics of Breathing

Gas Exchange and Transport

The Kidneys

Integrative Physiology II: Fluid and Electrolyte Balance

The Digestive System

Metabolism and Energy Balance

Endocrine Control of Growth and Metabolism

The Immune System

Integrative Physiology III: Exercise

Reproduction and Development

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Exam 2: Molecular Interactions

Describe what happens to NaCl when placed in water.

What is the induced-fit model? List the types of bonds involved and classify them as strong or weak.

This particle has a neutral charge and a mass of 1.

A molecule referred to as highly soluble is

Protein specificity is the

Which of the following best describes an irreversible antagonist?

The reaction rates of many chemical reactions that occur in the body are controlled by special protein molecules called

The largest carbohydrate molecules are called polysaccharides because they are composed of ________ molecules bonded together with one another.

A component of an important buffer in the human body is

Introduction to Physiology

Compartmentation: Cells and Tissues

Energy and Cellular Metabolism

Membrane Dynamics

Communication, Integration, and Homeostasis

Introduction to the Endocrine System

Neurons: Cellular and Network Properties

The Central Nervous System

Sensory Physiology

Efferent Division: Autonomic and Somatic Motor Control

Muscles

Integrative Physiology I: Control of Body Movement

Cardiovascular Physiology

Blood Flow and the Control of Blood Pressure

Blood

Mechanics of Breathing

Gas Exchange and Transport

The Kidneys

Integrative Physiology II: Fluid and Electrolyte Balance

The Digestive System

Metabolism and Energy Balance

Endocrine Control of Growth and Metabolism

The Immune System

Integrative Physiology III: Exercise

Reproduction and Development

Filters