Reading Material 1 :
How 'did John Snow conduct studies of cholera outbreaks in London?
Brief Introduction: John Snow (1813-1858) conductedra series of investigation in
London that later earned him the title.“the father of ﬁeld epidemiology.” Twenty years
Life Chemistry and Energy
Chapter 2 Life Chemistry and Energy
2.1 Atomic Structure Is the Basis for Lifes
2.2 Atoms Interact and Form Molecules
2.3 Carbohydrates Consist of Sugar
2.4 Lipids Are Hydrophobic Molecules
STUDY GUIDE QUESTIONS
a. can mutate.
b. can extract energy from their environment.
c. have a cell membrane.
d. can reproduce on their own.
e. are made of cells.
2. Earth is approximately _ years old.
Proteins, and Enzymes
Concept 3.1 Nucleic Acids Are Informational Macromolecules
Nucleic acids are polymers specialized for
storage, transmission, and use of genetic
DNA = deoxyribonucleic acid
RNA = ribonucleic acid