Question 1

Sodium chloride (NaCl) in water can be described by any EXCEPT which of the following?

Accepted Answer

A) Na+ and Cl- form 
B) a solute 
C) ionized 
D) forms a hydrophobic interaction 
E) dissolved 
A) Na+ and Cl- form 
B) a solute 
C) ionized 
D) forms a hydrophobic interaction 
E) dissolved

Question 2

The measurement of the temperature of a substance is directly related to

Accepted Answer

A) the nature of its chemical bonds. 
B) its reactivity. 
C) its thermal conductivity. 
D) the motion of its molecules. 
E) the mass of its molecules. 
A) the nature of its chemical bonds. 
B) its reactivity. 
C) its thermal conductivity. 
D) the motion of its molecules. 
E) the mass of its molecules.

Question 3

The solvent, cohesive, and temperature stabilization properties of water are due to its

Accepted Answer

A) ability to promote hydrophilic interactions. 
B) ionic bonds. 
C) hydrogen bonds. 
D) ability to promote hydrophobic interactions. 
E) nonpolar nature. 
A) ability to promote hydrophilic interactions. 
B) ionic bonds. 
C) hydrogen bonds. 
D) ability to promote hydrophobic interactions. 
E) nonpolar nature.

Question 4

A salt will dissolve in water to form

Accepted Answer

A) acids. 
B) hydrogen bonds. 
C) ions other than H+ and OH-. 
D) bases. 
E) buffers. 
A) acids. 
B) hydrogen bonds. 
C) ions other than H+ and OH-. 
D) bases. 
E) buffers.

Question 5

A pH of 10 is how many times as basic as a pH of 7?

Accepted Answer

A) 2 
B) 3 
C) 10 
D) 100 
E) 1,000 
A) 2 
B) 3 
C) 10 
D) 100 
E) 1,000

Question 6

Tracers are elements that

Accepted Answer

A) are used in minute amounts in plants. 
B) can be monitored through biochemical reactions. 
C) must be inert. 
D) have an unbalanced electrical charge. 
E) must have a stable nucleus. 
A) are used in minute amounts in plants. 
B) can be monitored through biochemical reactions. 
C) must be inert. 
D) have an unbalanced electrical charge. 
E) must have a stable nucleus.

Exam 2: Lifes Chemical Basis

Sodium chloride (NaCl) in water can be described by any EXCEPT which of the following?

The measurement of the temperature of a substance is directly related to

The solvent, cohesive, and temperature stabilization properties of water are due to its

A salt will dissolve in water to form

A pH of 10 is how many times as basic as a pH of 7?

Tracers are elements that

Invitation to Biology

Molecules of Life

Cell Structure and Function

A Closer Look at Cell Membranes

Ground Rules of Metabolism

Where It Startsphotosynthesis

Energy-Releasing Pathways

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Dna Structure and Function

From Dna to Protein

Controls Over Genes

Recombinant Dna and Genetic Engineering

The Macroevolutionary Puzzle

Emergence of Evolutionary Thought

Organizing Information About Species

The Origin and Evolution of Life

Viruses and Prokaryotes

Protists the Simplest Eukaryotes

Plants

Fungi

Animals: the Invertebrates

Animal Evolution the Chordates

Human Evolution: a Case Study

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction

Plant Growth and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Protection, Support, and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Structure and Biodiversity

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters