Question 1

Molecules that form when electrons are shared unequally between atoms are called

Accepted Answer

A) salt molecules. 
B) polar molecules. 
C) nonpolar molecules. 
D) lopsided molecules. 
E) None of these choices are correct. 
A) salt molecules. 
B) polar molecules. 
C) nonpolar molecules. 
D) lopsided molecules. 
E) None of these choices are correct.

Question 2

-Water accounts for 50% of the weight of a young adult female and 60% of a young adult male.What kind of atom is found at "C"?

Accepted Answer

A) polar covalent bond 
B) water molecule 
C) hydrogen bond 
D) hydrogen atom 
E) oxygen atom 
A) polar covalent bond 
B) water molecule 
C) hydrogen bond 
D) hydrogen atom 
E) oxygen atom

Question 3

The four most abundant elements in the human body are

Accepted Answer

A) calcium,hydrogen,sodium,and potassium. 
B) carbon,oxygen,magnesium,and zinc. 
C) carbon,hydrogen,oxygen,and iron. 
D) carbon,hydrogen,oxygen,and nitrogen. 
E) carbon,sulfur,calcium,and potassium. 
A) calcium,hydrogen,sodium,and potassium. 
B) carbon,oxygen,magnesium,and zinc. 
C) carbon,hydrogen,oxygen,and iron. 
D) carbon,hydrogen,oxygen,and nitrogen. 
E) carbon,sulfur,calcium,and potassium.

Question 4

If the potential energy in the chemical bonds of the reactants is greater than the potential energy in the chemical bonds of the product,

Accepted Answer

A) energy must be supplied for the reaction to occur. 
B) the chemical reaction equalizes the potential energy levels. 
C) energy is not a factor in the reaction. 
D) energy has not been gained or lost. 
E) energy is released by the reaction. 
A) energy must be supplied for the reaction to occur. 
B) the chemical reaction equalizes the potential energy levels. 
C) energy is not a factor in the reaction. 
D) energy has not been gained or lost. 
E) energy is released by the reaction.

Question 5

The energy stored in ATP is a form of ________ energy.

Accepted Answer

A) mechanical 
B) heat 
C) electrical 
D) chemical 
E) kinetic 
A) mechanical 
B) heat 
C) electrical 
D) chemical 
E) kinetic

Question 6

-The sodium chloride molecule breaks apart in water.What does "A" represent?

Accepted Answer

A) chloride ion 
B) dissociation 
C) water molecule 
D) sodium ion 
E) salt crystal 
A) chloride ion 
B) dissociation 
C) water molecule 
D) sodium ion 
E) salt crystal

Question 7

True or false? Synthesis reactions are also called catabolic reactions.

Accepted Answer

A) True 
 B)False

Question 8

In ionic bonding,

Accepted Answer

A) electrons are transferred from one atom to another. 
B) the charge of the ion does not play a role in the bond. 
C) only non-polar molecules are involved. 
D) two hydrogen atoms share one pair of electrons. 
E) a "sea of electrons" forms. 
A) electrons are transferred from one atom to another. 
B) the charge of the ion does not play a role in the bond. 
C) only non-polar molecules are involved. 
D) two hydrogen atoms share one pair of electrons. 
E) a "sea of electrons" forms.

Molecules that form when electrons are shared unequally between atoms are called

-Water accounts for 50% of the weight of a young adult female and 60% of a young adult male.What kind of atom is found at "C"?

The four most abundant elements in the human body are

If the potential energy in the chemical bonds of the reactants is greater than the potential energy in the chemical bonds of the product,

The energy stored in ATP is a form of ________ energy.

-The sodium chloride molecule breaks apart in water.What does "A" represent?

True or false? Synthesis reactions are also called catabolic reactions.

In ionic bonding,

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Exam 2: The Chemical Basis of Life

Molecules that form when electrons are shared unequally between atoms are called

-Water accounts for 50% of the weight of a young adult female and 60% of a young adult male.What kind of atom is found at "C"?

The four most abundant elements in the human body are

If the potential energy in the chemical bonds of the reactants is greater than the potential energy in the chemical bonds of the product,

The energy stored in ATP is a form of ________ energy.

-The sodium chloride molecule breaks apart in water.What does "A" represent?

True or false? Synthesis reactions are also called catabolic reactions.

In ionic bonding,

The Human Organism

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition,metabolism,and Temperature Regulation

Urinary System

Water,electrolyte,and Acid-Based Balance

Reproductive System

Development,growth,aging,and Genetics

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