Question 1

Describe the structure, function, and location of DNA.

Accepted Answer

DNA is a double stranded molecule compos

Question 2

What kind of a bond is depicted in this diagram?

Accepted Answer

A)  Covalent 
B)  Hydrogen 
C)  Ionic 
D)  Nonpolar 
A)  Covalent 
B)  Hydrogen 
C)  Ionic 
D)  Nonpolar

Question 3

A change in which ion concentration would severely affect heart rate and the nervous system?

Accepted Answer

A)  Bicarbonate 
B)  Sodium 
C)  Potassium 
D)  Chloride 
A)  Bicarbonate 
B)  Sodium 
C)  Potassium 
D)  Chloride

Question 4

Water's high specific heat makes it:

Accepted Answer

A)  a good temperature buffer. 
B)  a good solvent. 
C)  liquid at room temperature. 
D)  easy to boil. 
A)  a good temperature buffer. 
B)  a good solvent. 
C)  liquid at room temperature. 
D)  easy to boil.

Question 5

Ice floats because it is less dense than liquid water.

Accepted Answer

A) True 
 B)False

Question 6

Hydrogen is not an atom because it does not have any neutrons.

Accepted Answer

A) True 
 B)False

Question 7

How many electrons are in the valence shell of the atom shown here?

Accepted Answer

A)  two 
B)  five 
C)  seven 
D)  four 
A)  two 
B)  five 
C)  seven 
D)  four

Describe the structure, function, and location of DNA.

What kind of a bond is depicted in this diagram?

A change in which ion concentration would severely affect heart rate and the nervous system?

Water's high specific heat makes it:

Ice floats because it is less dense than liquid water.

Hydrogen is not an atom because it does not have any neutrons.

How many electrons are in the valence shell of the atom shown here?

What Is Life

Where Do We Come From and Where Do We Fit

Cells: Organization and Communication

Tissues

The Skeletomuscular System

The Nervous System

The Special Senses

Immunity and the Lymphatic System

Infectious Disease and Epidemiology

The Human Microbiome

Cancer

The Cardiovascular System

The Respiratory System: Movement of Air

Nutrition: You Are What You Eat

The Digestive System

The Urinary System

The Endocrine System and Development

The Reproductive Systems: Maintaining the Species

Pregnancy: Development From Conception to Newborn

Inheritance, Genetics, and Molecular Biology

Filters

Exam 3: Everyday Chemistry of Life

Describe the structure, function, and location of DNA.

What kind of a bond is depicted in this diagram?

A change in which ion concentration would severely affect heart rate and the nervous system?

Water's high specific heat makes it:

Ice floats because it is less dense than liquid water.

Hydrogen is not an atom because it does not have any neutrons.

How many electrons are in the valence shell of the atom shown here?

What Is Life

Where Do We Come From and Where Do We Fit

Cells: Organization and Communication

Tissues

The Skeletomuscular System

The Nervous System

The Special Senses

Immunity and the Lymphatic System

Infectious Disease and Epidemiology

The Human Microbiome

Cancer

The Cardiovascular System

The Respiratory System: Movement of Air

Nutrition: You Are What You Eat

The Digestive System

The Urinary System

The Endocrine System and Development

The Reproductive Systems: Maintaining the Species

Pregnancy: Development From Conception to Newborn

Inheritance, Genetics, and Molecular Biology

Filters