The Chemistry Of Life - Discover Biology

Course

Introductory Biology

Study Pack

Set 1: The Nature of Science and the Characteristics of Life

Set 2: Biological Diversity, Bacteria, and Archaea

Set 3: Protista, Plantae, and Fungi

Set 4: Animalia

Set 5: The Chemistry of Life

Set 6: Cell Structure and Internal Compartments

Set 7: Cell Membranes, Transport, and Communication

Set 8: Energy, Metabolism, and Enzymes

Set 9: Photosynthesis and Cellular Respiration

Set 10: Cell Division

Set 11: Stem Cells, Cancer, and Human Health

Set 12: Patterns of Inheritance

Set 13: Chromosomes and Human Genetics

Set 14: Dna and Genes

Set 15: From Gene to Protein

Set 16: Dna Technology

Set 17: How Evolution Works

Set 18: Evolution of Populations

Set 19: Speciation and the Origins of Biological Diversity

Set 20: The Evolutionary History of Life

Set 21: The Biosphere

Set 22: Growth of Populations

Set 23: Ecological Communities

Set 24: Ecosystems

Set 25: Global Change

Set 26: Internal Organization and Homeostasis

Set 27: Nutrition and Digestion

Set 28: Circulation and Gas Exchange

Set 29: Animal Hormones

Set 30: Nervous and Sensory Systems

Set 31: Skeletons, Muscles, and Movement

Set 32: Defenses Against Disease

Set 33: Reproduction and Development

Set 34: Animal Behavior

Set 35: Plant Structure, Nutrition, and Transport

Set 36: Plant Growth and Reproduction

Set 5 The Chemistry Of Life

Back to Sets

Set 5 The Chemistry Of Life

Question 1

(Multiple Choice)

Free

In the illustration below, a positive ion is surrounded by water molecules.

The water molecules orient as shown because the slightly _____ in the water molecules are attracted to the positive charge of the ion.

A)negative hydrogen atoms
B)positive hydrogen atoms
C)negative oxygen atoms
D)positive oxygen atoms

Answer

Question 2

(Multiple Choice)

Free

Individual water molecules orient toward each other because of the _____ bonds that form between them.

A)covalent
B)hydrogen
C)peptide
D)ionic

Answer

Question 3

(Multiple Choice)

Free

The strongest possible chemical link between two atoms is a(n)

A)covalent bond.
B)hydrogen bond.
C)noncovalent bond.
D)ionic bond.

Answer