study guide

What is Biology?

- Know properties of life. Know examples of living and nonliving things

- Levels of life ??

- Definition of scientific method steps. Hypothesis, theory, experiment, dependent and

independent variable, negative and positive control

- Several ideas to keep in mind when evaluating the validity of scientific claims:

Chapter 2

- Definitions of: Elements, Matter, Atom, Trace elements.

- The four important elements in the body.

- Structure of Atom.

- What is: Atomic number, Mass.

- Importance of Isotopes.

- What is the important of the number of Electrons in the outer shell?

- Know the types of chemical bonds.

- What are the components of a chemical reaction?

- Polymers and monomers, dehydration and hydrolysis

- Know Water properties that support life, as we talked about in the lectures.

- Temperature and Heat.

- Solution and Solvent.

- What is Acid, Base, PH scale.

- Types of carbohydrates

- Saturated, unsaturated fat and hydrogenation

- Proteins are made up of??

Chapter 3

- Prokaryotes vs eukaryotes

- Know the function of each cell organelle

- What is diffusion

- what is Osmosis