Question 1

An element with 11 protons,11 electrons,and 12 neutrons has a mass number = 34 amu.

Accepted Answer

A) True 
 B)False

Question 2

What is the mass number of an atom with 8 protons,8 neutrons,and 8 electrons?

Accepted Answer

The answer of What is the mass number of an...

Question 3

What is the term that describes the element that is designated by the symbol K?

Accepted Answer

The answer of What is the term that describes the...

Question 4

What is the term that describes the high energy compound that supplies energy in a form that is usable by body cells?

Accepted Answer

adenosine triphospha

Question 5

An acid

Accepted Answer

A)  tastes bitter 
B)  accepts protons donated by bases 
C)  has a pH <7 
D)  feels slippery 
E)  neutralizes salts 
A)  tastes bitter 
B)  accepts protons donated by bases 
C)  has a pH <7 
D)  feels slippery 
E)  neutralizes salts

Question 6

A substance that accepts hydrogen ions

Accepted Answer

A)  is an acid 
B)  is a base 
C)  is a salt 
D)  has a pH <7 
E)  reacts with a buffer to form an acid 
A)  is an acid 
B)  is a base 
C)  is a salt 
D)  has a pH <7 
E)  reacts with a buffer to form an acid

Question 7

Triglycerides and steroids belong to the class of organic compounds called

Accepted Answer

A)  carbohydrates 
B)  lipids 
C)  proteins 
D)  nucleic acids 
E)  high energy compounds 
A)  carbohydrates 
B)  lipids 
C)  proteins 
D)  nucleic acids 
E)  high energy compounds

Question 8

What is the substance that is dissolved in a solution?

Accepted Answer

The answer of What is the substance that is dissolved...

Question 9

A term that means breaking down fat is

Accepted Answer

A)  lipogenesis 
B)  hydrolysis 
C)  glycogenesis 
D)  lipolysis 
E)  glycolysis 
A)  lipogenesis 
B)  hydrolysis 
C)  glycogenesis 
D)  lipolysis 
E)  glycolysis

Question 10

A molecule with the formula H₂CO₃ contains

Accepted Answer

A)  1 hydrogen atom and 2 carbon atoms 
B)  2 hydrogen atoms and 3 CO atoms 
C)  1 hydrogen atom, 2 calcium atoms, and 3 oxygen atoms 
D)  2 hydrogen atoms, 1 carbon atom, and 3 oxygen atoms 
E)  1 hydrogen atom, 2 carbon atoms, and 3 oxygen atoms 
A)  1 hydrogen atom and 2 carbon atoms 
B)  2 hydrogen atoms and 3 CO atoms 
C)  1 hydrogen atom, 2 calcium atoms, and 3 oxygen atoms 
D)  2 hydrogen atoms, 1 carbon atom, and 3 oxygen atoms 
E)  1 hydrogen atom, 2 carbon atoms, and 3 oxygen atoms

Question 11

The acid component of a buffer system

Accepted Answer

A)  neutralizes water 
B)  reacts with strong acids to make them weaker 
C)  reacts with bases to form a salt and water 
D)  reacts with acids to form a neutral salt 
A)  neutralizes water 
B)  reacts with strong acids to make them weaker 
C)  reacts with bases to form a salt and water 
D)  reacts with acids to form a neutral salt

Question 12

A water molecule is formed by an unequal sharing of electrons between hydrogen and oxygen.This makes the oxygen end of the molecule slightly negative and the hydrogen portion slightly positive.Which of the following is/are correct?
1)The bonds between the hydrogen and oxygen that hold the molecule together are ionic bonds.
2)The molecule of water is a polar covalent molecule.
3)The intermolecular bonds between water molecules are hydrogen bonds.

Accepted Answer

A)  1 only 
B)  2 only 
C)  3 only 
D)  1 and 3 
E)  2 and 3 
A)  1 only 
B)  2 only 
C)  3 only 
D)  1 and 3 
E)  2 and 3

Question 13

What is the substance that increases the rate of a chemical reaction?

Accepted Answer

The answer of What is the substance that increases the...

Question 14

A double arrow ( ⇔ )in a chemical equation indicates that the reaction is

Accepted Answer

A)  a synthesis reaction 
B)  a reversible reaction 
C)  a decomposition reaction 
D)  dependent on temperature 
E)  a reaction that requires a catalyst 
A)  a synthesis reaction 
B)  a reversible reaction 
C)  a decomposition reaction 
D)  dependent on temperature 
E)  a reaction that requires a catalyst

Question 15

All of the following are true about proteins EXCEPT they

Accepted Answer

A)  always contain C, H, O, N 
B)  are formed from fatty acids linked by peptide bonds 
C)  often contain S 
D)  form the basic structural material in the body 
A)  always contain C, H, O, N 
B)  are formed from fatty acids linked by peptide bonds 
C)  often contain S 
D)  form the basic structural material in the body

An element with 11 protons,11 electrons,and 12 neutrons has a mass number = 34 amu.

What is the mass number of an atom with 8 protons,8 neutrons,and 8 electrons?

What is the term that describes the element that is designated by the symbol K?

What is the term that describes the high energy compound that supplies energy in a form that is usable by body cells?

An acid

A substance that accepts hydrogen ions

Triglycerides and steroids belong to the class of organic compounds called

What is the substance that is dissolved in a solution?

A term that means breaking down fat is

A molecule with the formula H₂CO₃ contains

The acid component of a buffer system

What is the substance that increases the rate of a chemical reaction?

A double arrow ( ⇔ )in a chemical equation indicates that the reaction is

All of the following are true about proteins EXCEPT they

Introduction to the Human Body

Cell Structure and Function

Tissues and Membranes

Integumentary System

Skeletal System

Muscular System

Nervous System

Sensory System

Endocrine System

Cardiovascular System: The Heart

Cardiovascular System: Blood Vessels

Cardiovascular System: Blood

Lymphatic System and Body Defense

Respiratory System

Digestive System

Metabolism and Nutrition

Urinary System and Body Fluids

Reproductive System

Development

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Exam 2: Chemistry, Matter, and Life

An element with 11 protons,11 electrons,and 12 neutrons has a mass number = 34 amu.

What is the mass number of an atom with 8 protons,8 neutrons,and 8 electrons?

What is the term that describes the element that is designated by the symbol K?

What is the term that describes the high energy compound that supplies energy in a form that is usable by body cells?

An acid

A substance that accepts hydrogen ions

Triglycerides and steroids belong to the class of organic compounds called

What is the substance that is dissolved in a solution?

A term that means breaking down fat is

A molecule with the formula H₂CO₃ contains

The acid component of a buffer system

What is the substance that increases the rate of a chemical reaction?

A double arrow ( ⇔ )in a chemical equation indicates that the reaction is

All of the following are true about proteins EXCEPT they

Introduction to the Human Body

Cell Structure and Function

Tissues and Membranes

Integumentary System

Skeletal System

Muscular System

Nervous System

Sensory System

Endocrine System

Cardiovascular System: The Heart

Cardiovascular System: Blood Vessels

Cardiovascular System: Blood

Lymphatic System and Body Defense

Respiratory System

Digestive System

Metabolism and Nutrition

Urinary System and Body Fluids

Reproductive System

Development

Filters