The Chemistry And Energy Of Life - Principles of Life

Course

Other

Study Pack

Set 1: Introduction

Set 2: The Chemistry and Energy of Life

Set 3: Nucleic Acids, Proteins, and Enzymes

Set 4: Cells: the Working Units of Life

Set 5: Cell Membranes and Signaling

Set 6: Pathways That Harvest and Store Chemical Energy

Set 7: The Cell Cycle and Cell Division

Set 8: Inheritance, Genes, and Chromosomes

Set 9: DNA and Its Role in Heredity

Set 10: From Dna to Protein: Gene Expression

Set 11: Regulation of Gene Expression

Set 12: Genomes

Set 13: Biotechnology

Set 14: Genes, Development, and Evolution

Set 15: Processes of Evolution

Set 16: Reconstructing and Using Phylogenies

Set 17: Speciation

Set 18: The History of Life on Earth

Set 19: Bacteria, Archaea, and Viruses

Set 20: The Origin and Diversification of Eukaryotes

Set 21: The Evolution of Plants

Set 22: The Evolution and Diversity of Fungi

Set 23: Animal Origins and Diversity

Set 24: The Plant Body

Set 25: Plant Nutrition and Transport

Set 26: Plant Growth and Development

Set 27: Reproduction of Flowering Plants

Set 28: Plants in the Environment

Set 29: Fundamentals of Animal Function

Set 30: Nutrition and Digestion

Set 31: Breathing

Set 32: Circulation

Set 33: Muscle and Movement

Set 34: Neurons, Sense Organs, and Nervous Systems

Set 35: Nervous and Endocrine Control

Set 36: Water and Salts: Excretion

Set 37: Animal Reproduction

Set 38: Animal Development

Set 39: Immunology: Animal Defense Systems

Set 40: Animal Behavior

Set 41: The Distribution of Earths Ecological Systems

Set 42: Populations

Set 43: Ecological and Evolutionary Consequences of Interactions Within and Among Species

Set 44: Ecological Communities

Set 45: The Global Ecosystem

Set 2 The Chemistry And Energy Of Life

Back to Sets

Set 2 The Chemistry And Energy Of Life

Question 1

(Multiple Choice)

Free

There are _______ natural elements in the universe.

A) 12
B) 24
C) 66
D) 94
E) 116

Answer

Question 2

(Multiple Choice)

Free

Which element requires two additional electrons to fill the outermost electron shell?

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

Answer

Question 3

(Multiple Choice)

Free

Which element has the same number of outer-shell (valence)electrons as oxygen?

A) Calcium
B) Nitrogen
C) Fluorine
D) Sodium
E) Sulfur

Answer