Biology 1 – Study Guide for Test # 1
Biology 4 – Study Guide for Test # 1
Chapter 1 – Introduction: Biology
What is biology? What is biophilia? What is science? What is the scientific method? What is the difference between a hypothesis, theory and a law? Science does what to possibilities? What is evolution? Why is creationism not taught in science classes? What are the seven properties of life? What is the smallest unit of life? Are Viruses alive? What are the two types of cells discussed in class? Know the two different hierarchies in biology. What are the three domains? Why the addition of this level? What are the different kingdoms discussed. Know the general characteristics for each.
Chapter 2 – Chemistry: Context of Life
Know the following terms: matter, element, molecule, and compound. Know the parts of an atom. Where are they each located? What charge do they have? What is their mass? Know how to read a periodic table. How many elements are there? How many are needed by life? What is CHNOPS? What is an atomic number mean? Mass number? What are isotopes? How are radioactive isotopes used? How do you make an atom “happy”? Know how many electrons can go into each orbital? What is an ion? (cation, anion) What are the different types of bonding? Know the examples from class.
Chapter 3 – Water
What are the seven properties of water given in class? What causes water to have all these properties? What is heat? Temperature? What is a solute? Solvent? Solution? What is hydrophobic? Hydrophilic? What is an acid? Base? Buffer? What is acid precipitation? What causes it? What types of damage does it do?
Chapter 4 & 5 - The Molecules of Life
What does organic mean to a biologist? What is a hydrocarbon? Know the Know why molecular shape is important. Know the different isomers formed by carbon. What is a monomer? Polymer? What is dehydration synthesis? Hydrolysis? Know the different functional groups discussed in class. Know the four macromolecules discussed in class. What is a monosaccharide? Disaccharide? Polysaccharide? Know the examples given in class. What do all lipids have in common? What are the functions of lipids? What is a saturated fat? Unsaturated fat? What are anabolic steroids? What do they mimic? What damage can be caused by long term abuse? What is a protein made of? What types of bonds are formed? Know the structure of proteins? What are the functions of proteins? What are nucleic acids? What are they made of? What are their functions?
Chapter 6 – The Cell
What is the cell theory? What limits cell size? What are the differences between prokaryotic and eukaryotic cells? What are the two theories on how eukaryotic cells evolved? Know the following organelles: nucleus, nucleolus, cytoplasm, rough and smooth endoplasmic reticulum, golgi apparatus (cis and tran faces), lysosomes, vacuoles/vesicles, mitochondrion, chloroplast, peroxisomes, cytoskeleton, cilia, flagella, centrosomes, cell walls, intercellular junctions, plasmodesmata. What is the endomembrane system? What organelles make this up? What is its function? How does penicillin work? Know the article “Birth of a Nucleus”
Chapter 7 – Membrane Structure and Function
Know the Fluid Mosaic Model. What are the four main components of a membrane and what are their functions? What are integral proteins? Peripheral proteins? What are glycoproteins? Glycolipids? Know the following definitions: diffusion, osmosis, facilitated diffusion, active transport, concentration gradient, solution, solvent, solute, osmolality (hyperosmotic, isosmotic, hypoosmotic). Know what happens to plant and animal cells when they gain and lose water (crenate, turgid, etc). What is endocytosis (phagocytosis, pinocytosis, receptor mediated)? Exocytosis? Know the membrane article.
Chapter 8 – An Introduction to Metabolism
What is energy? What does the word metabolism mean? What are catabolic and anabolic pathways? What is the difference between potential and kinetic energy? What are the laws of thermodynamics? Know Gibbs Equation. What is ATP? What are endergonic and exergonic reactions? What is equilibrium? What is an enzyme? What do they actually do? What is activation energy? What is an active site? Substrate? What are coenzymes? Cofactors? What is an induced fit? What is enzyme inhibition? What are allosteric sites?
Chapter 44 – Osmoregulation
What is an osmolarity? osmoconformer? Osmoregulator? Stenohaline? Euryhaline? Know the osmoregulation seen in saltwater and freshwater fish. What is anhydrobiosis? How do land animals deal with dehydration? What are the energetic involved in osmoregulation? Know the different types of nitrogenous waste and how they are removed. How do animals deal with extreme conditions?
Chapter 11 – Cell Communication
What is a signal-transduction pathway? What are the three stages of cell signaling? What are the local and distant cell communications in animals? What are the cellular responses to signals?
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