Biology 109 Exam Chapters 1, 2, &3 w/
Notes Complete Answers
The term "medial surface" refers to the area - ANSWER-Close to the long axis of the
body
Histology is the study of - ANSWER-Tissues
Which region of the body is known as the femoral region? - ANSWER-Thigh
In descriptions of the superficial anatomy of the human body, the arm is the -
ANSWER-Brachium
The anatomical term for the calf is called the - ANSWER-Sura/sural
Heat production is a major function of the _____________ system - ANSWER-
Muscular
What is the common name for the antebrachium? - ANSWER-Forearm
Isotopes of a different element differ in the number of - ANSWER-Neutrons
If a pair of electrons is UNEQUALLY shared between two atoms, the bond is called a
- ANSWER-Polar covalent bond
Which of the following must be an organic compound: water, bases, acids, or
nucleotides? - ANSWER-Nucleotides
Carbohydrates, lipids, and proteins are called - ANSWER-Organic molecules
What is the ideal pH range for the human body? - ANSWER-7.35-7.45
Organic molecules that process and store genetic information is called - ANSWER-
Nucleic acids
The most abundant high-energy compound inside cells is - ANSWER-ATP
Hydrophobic molecules readily mix with - ANSWER-Lipids
Helium (He) has an atomic number of 2. It is chemically stable because - ANSWER-
It has a full outer electron shell
When electrons are transferred from one atom to another, and the two resulting
atoms bond together as the result of the attraction of their opposite charges, what
bond is formed? - ANSWER-An ionic bond
, Of the following choices, which has the highest concentration of H+ ions: 11, 3, 1, or
14? - ANSWER-1
The more ___________ a substance is, the lower the pH balance is. - ANSWER-
Acidic
A peptide bond can be found linking - ANSWER-Two amino acids
The building block of proteins is called? - ANSWER-Amino acids
Nonpolar, organic molecules are good examples of - ANSWER-Hydrophobic
compounds
Which of the following can NOT be used to describe protein structure: tertiary, alpha
helix, globular, or double helix? - ANSWER-Double helix
What molecule is the body's most readily available form of energy? - ANSWER-
Carbohydrates
What do lipids do? - ANSWER-Maintain body temperature, cushion organs, and
provide a significant energy reserve
When atoms share electrons to fill up their outer shell, they form _________. -
ANSWER-Covalent bonds
Which of the following is a good example of a buffer: sodium hydroxide, hydrochloric
acid, water, or sodium bicarbonate? - ANSWER-Sodium bicarbonate
The attractions between cations and anions are called - ANSWER-Ionic bonds
Which of the following is included in the four major classes of inorganic compounds?
- ANSWER-Carbon dioxide, water, oxygen, and inorganic salts
A solute that dissolves to release hydrogen ions and causes a decrease in pH is
called - ANSWER-An acid
A solute that removes hydrogen ions from a solution is - ANSWER-A base
A carbohydrate consists of - ANSWER-Carbon, hydrogen, and oxygen
What are the three basic components of a single nucleotide of a nucleic acid? -
ANSWER-Sugar, phosphate group, nitrogen base
In the formation of nonpolar covalent bonds, there is - ANSWER-Equal sharing of
electrons
Why is water effective as a solvent? - ANSWER-Its polarity creates positive and
negative regions that interact with many types of molecules
Notes Complete Answers
The term "medial surface" refers to the area - ANSWER-Close to the long axis of the
body
Histology is the study of - ANSWER-Tissues
Which region of the body is known as the femoral region? - ANSWER-Thigh
In descriptions of the superficial anatomy of the human body, the arm is the -
ANSWER-Brachium
The anatomical term for the calf is called the - ANSWER-Sura/sural
Heat production is a major function of the _____________ system - ANSWER-
Muscular
What is the common name for the antebrachium? - ANSWER-Forearm
Isotopes of a different element differ in the number of - ANSWER-Neutrons
If a pair of electrons is UNEQUALLY shared between two atoms, the bond is called a
- ANSWER-Polar covalent bond
Which of the following must be an organic compound: water, bases, acids, or
nucleotides? - ANSWER-Nucleotides
Carbohydrates, lipids, and proteins are called - ANSWER-Organic molecules
What is the ideal pH range for the human body? - ANSWER-7.35-7.45
Organic molecules that process and store genetic information is called - ANSWER-
Nucleic acids
The most abundant high-energy compound inside cells is - ANSWER-ATP
Hydrophobic molecules readily mix with - ANSWER-Lipids
Helium (He) has an atomic number of 2. It is chemically stable because - ANSWER-
It has a full outer electron shell
When electrons are transferred from one atom to another, and the two resulting
atoms bond together as the result of the attraction of their opposite charges, what
bond is formed? - ANSWER-An ionic bond
, Of the following choices, which has the highest concentration of H+ ions: 11, 3, 1, or
14? - ANSWER-1
The more ___________ a substance is, the lower the pH balance is. - ANSWER-
Acidic
A peptide bond can be found linking - ANSWER-Two amino acids
The building block of proteins is called? - ANSWER-Amino acids
Nonpolar, organic molecules are good examples of - ANSWER-Hydrophobic
compounds
Which of the following can NOT be used to describe protein structure: tertiary, alpha
helix, globular, or double helix? - ANSWER-Double helix
What molecule is the body's most readily available form of energy? - ANSWER-
Carbohydrates
What do lipids do? - ANSWER-Maintain body temperature, cushion organs, and
provide a significant energy reserve
When atoms share electrons to fill up their outer shell, they form _________. -
ANSWER-Covalent bonds
Which of the following is a good example of a buffer: sodium hydroxide, hydrochloric
acid, water, or sodium bicarbonate? - ANSWER-Sodium bicarbonate
The attractions between cations and anions are called - ANSWER-Ionic bonds
Which of the following is included in the four major classes of inorganic compounds?
- ANSWER-Carbon dioxide, water, oxygen, and inorganic salts
A solute that dissolves to release hydrogen ions and causes a decrease in pH is
called - ANSWER-An acid
A solute that removes hydrogen ions from a solution is - ANSWER-A base
A carbohydrate consists of - ANSWER-Carbon, hydrogen, and oxygen
What are the three basic components of a single nucleotide of a nucleic acid? -
ANSWER-Sugar, phosphate group, nitrogen base
In the formation of nonpolar covalent bonds, there is - ANSWER-Equal sharing of
electrons
Why is water effective as a solvent? - ANSWER-Its polarity creates positive and
negative regions that interact with many types of molecules
