All Chapters
Ch.1 - Introduction to Biology
Ch.2 - Chemistry
Ch.3 - Water
Ch 4. - Biomolecules
Ch. 5 - Cell Components
Ch.6 - The Membrane
Ch.7 - Energy and Metabolism
Ch.8 - Respiration
Ch.9 - Photosynthesis
Ch.10 - Cell Signaling
Ch.12 - Cell Division
Ch.13 - Meiosis
Ch.14 - Mendelian Genetics
Ch.15 - Chromosomal Theory of Inheritance
Ch.16 - DNA Synthesis
Ch.17 - Gene Expression
Ch.18 - Regulation of Expression
Ch.19 - Viruses
Ch.20 - Biotechnology
Ch.21 - Genomics
Ch.22 - Development
Ch.23 - Evolution by Natural Selection
Ch.24 - Evolution of Populations
Ch.25 - Speciation
Ch.26 - History of Life on Earth
Ch.27 - Phylogeny
Ch.28 - Prokaryotes
Ch.29 - Protists
Ch.30 - Plants
Ch.31 - Fungi
Ch.32 - Overview of Animals
Ch.33 - Invertebrates
Ch.34 - Vertebrates
Ch.35 - Plant Anatomy
Ch.36 - Vascular Plant Transport
Ch.37 - Soil
Ch.38 - Plant Reproduction
Ch.39 - Plant Sensation and Response
Ch.40 - Animal Form and Function
Ch.41 - Digestive System
Ch.42 - Circulatory System
Ch.43 - Immune System
Ch.44 - Osmoregulation and Excretion
Ch.45 - Endocrine System
Ch.46 - Animal Reproduction
Ch.47 - Nervous System
Ch.48 - Sensory Systems
Ch.49 - Muscle Systems
Ch.50 - Ecology
Ch.51 - Animal Behavior
Ch.52 - Population Ecology
Ch.53 - Community Ecology
Ch.54 - Ecosystems
Ch.55 - Conservation Biology
Introduction to Water
Properties of Water- Cohesion and Adhesion
Properties of Water- Density
Properties of Water- Thermal
Properties of Water- The Universal Solvent
Acids and Bases
pH Scale

Concept #1: Properties of Water- The Universal Solvent

Practice: A solution in which water is the solvent is called a(n) _______________ solution.

a) Polar.

b) Aqueous.

c) Hydrophobic.

d)  Complete.

Practice: The substance in a mixture that is dissolved is called the:

a) Solution.

b) Solvent.

c) Solute.

d) Aqueous solution.

Practice: What is the charge of the solute molecule in the image below based on the polarity of water?

a) Positively charged.

b) Negatively charged.

c) Uncharged.

d) Non-polar and hydrophobic.

Concept #2: Homogenous vs. Heterogenous Solutions

Practice: The components of a heterogenous solution are ________________ distributed throughout.

a) Equally. 

b) Unequally.

c) Uniformly.

Concept #3: Hydrophilic vs. Hydrophobic

Practice: Hydrophobic molecules:

a) Are polar covalent molecules.

b) Easily dissolve in water.

c) Are nonpolar water “fearing” molecules. 

d) Are nonpolar water “loving” molecules.