Question 1

Unsaturated fats are liquid at room temperature.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following organic molecules can serve as a library of genetic information?

Accepted Answer

A) Carbohydrates 
B) Proteins 
C) Nucleic acids 
D) Lipids 
A) Carbohydrates 
B) Proteins 
C) Nucleic acids 
D) Lipids

Question 3

What does the number 6 mean in this diagram?

Accepted Answer

A) The weight of a carbon atom 
B) The number of protons in a carbon atom 
C) The number of electrons in a carbon ion 
D) How many bonds carbon will form 
A) The weight of a carbon atom 
B) The number of protons in a carbon atom 
C) The number of electrons in a carbon ion 
D) How many bonds carbon will form

Question 4

How can one tell how many electrons are in the outer energy level of an element?

Accepted Answer

A) Atomic mass 
B) Atomic number 
C) Roman numeral above each column in the periodic table 
D) Subtract the atomic number from the atomic mass 
A) Atomic mass 
B) Atomic number 
C) Roman numeral above each column in the periodic table 
D) Subtract the atomic number from the atomic mass

Question 5

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

Question 6

The valence shell of an atom determines how many bonds it can form.

Accepted Answer

A) True 
 B)False

Question 7

What is the name of the bond shown here?

Accepted Answer

A) Hydrogen 
B) Polar covalent 
C) Ionic 
D) Van der Waals forces 
A) Hydrogen 
B) Polar covalent 
C) Ionic 
D) Van der Waals forces

Question 8

Ice floats because it is less dense than liquid water.

Accepted Answer

A) True 
 B)False

Question 9

What is the difference between Carbon-12 and Carbon-14?

Accepted Answer

A) Carbon-14 is older. 
B) Carbon-14 has more neutrons. 
C) Carbon-14 has more protons. 
D) Carbon-14 has a half-life of 14 years. 
A) Carbon-14 is older. 
B) Carbon-14 has more neutrons. 
C) Carbon-14 has more protons. 
D) Carbon-14 has a half-life of 14 years.

Unsaturated fats are liquid at room temperature.

Which of the following organic molecules can serve as a library of genetic information?

What does the number 6 mean in this diagram?

How can one tell how many electrons are in the outer energy level of an element?

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

The valence shell of an atom determines how many bonds it can form.

What is the name of the bond shown here?

Ice floats because it is less dense than liquid water.

What is the difference between Carbon-12 and Carbon-14?

What Is Life

Where Do We Come From and Where Do We Fit

Organization and Communication

Tissues

The Skeletomuscular System

The Nervous System

The Special Senses

Immunity and the Lymphatic System

Infectious Disease and Epidemiology

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

Populations Evolve in Ecosystems

Filters

Exam 3: Life Has a Unique Chemistry

Unsaturated fats are liquid at room temperature.

Which of the following organic molecules can serve as a library of genetic information?

What does the number 6 mean in this diagram?

How can one tell how many electrons are in the outer energy level of an element?

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

The valence shell of an atom determines how many bonds it can form.

What is the name of the bond shown here?

Ice floats because it is less dense than liquid water.

What is the difference between Carbon-12 and Carbon-14?

What Is Life

Where Do We Come From and Where Do We Fit

Organization and Communication

Tissues

The Skeletomuscular System

The Nervous System

The Special Senses

Immunity and the Lymphatic System

Infectious Disease and Epidemiology

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

Populations Evolve in Ecosystems

Filters