Lifes Chemical Bases - Biology The Unity Diversity

Course

Introductory Biology

Study Pack

Set 1: Invitation to Biology

Set 2: Life's Chemical Bases

Set 3: Molecules of Life

Set 4: Cell Structure

Set 5: Ground Rules of Metabolism

Set 6: Where it Starts—Photosynthesis

Set 7: How Cells Release Chemical Energy

Set 8: DNA Structure and Function

Set 9: From DNA to Protein

Set 10: Control of Gene Expression

Set 11: How Cells Reproduce

Set 12: Meiosis and Sexual Reproduction

Set 13: Observing Patterns in Inherited Traits

Set 14: Chromosomes and Human Inheritance

Set 15: Studying and Manipulating Genomes

Set 16: Evidence of Evolution

Set 17: Processes of Evolution

Set 18: Organizing Information about Species

Set 19: Life's Origin and Early Evolution

Set 20: Viruses, Bacteria, and Archaea

Set 21: Protists: The Simplest Eukaryotes

Set 22: The Land Plants

Set 23: Fungi

Set 24: Animal Evolution: The Invertebrates

Set 25: Animal Evolution: The Chordates

Set 26: Human Evolution

Set 27: Plant Tissues

Set 28: Plant Nutrition and Transport

Set 29: Life Cycles of Flowering Plants

Set 30: Communication Strategies in Plants

Set 31: Animal Tissues and Organ Systems

Set 32: Neural Control

Set 33: Sensory Perception

Set 34: Endocrine Control

Set 35: Structural Support and Movement

Set 36: Circulation

Set 37: Immunity

Set 38: Respiration

Set 39: Digestion and Nutrition

Set 40: Maintaining the Internal Environment

Set 41: Animal Reproductive System

Set 42: Animal Development

Set 43: Animal Behavior

Set 44: Population Ecology

Set 45: Community Ecology

Set 46: Ecosystems

Set 47: The Biosphere

Set 48: Human Impacts on the Biosphere

Set 2 Lifes Chemical Bases

Back to Sets

Set 2 Lifes Chemical Bases

Question 1

(Multiple Choice)

Free

The atomic number of an atom refers to its ____.

A) mass or weight
B) number of protons
C) number of protons and neutrons
D) number of neutrons
E) number of electrons

Answer

Question 2

(Multiple Choice)

Free

Figure 2.5B

-Which atom is depicted in the accompanying figure?

A) Hydrogen
B) Helium
C) Carbon
D) Nitrogen
E) Oxygen

Answer

Question 3

(Multiple Choice)

Free

What is the smallest unit of an element that retains the properties of that element?

A) Atom
B) Compound
C) Orbital
D) Molecule
E) Mixture

Answer