Exam 1 Review Questions

 

Know what biology is and what life is; what organizational levels are, what ecosystems are and what nutrient cycles are and what energy flow is; what is the species concept?

Understand the cellular basis of life and the basic differences between prokaryote and eukaryote cell types, as well as the general differences between the different domains and the eukaryote kingdoms.

Be familiar with what science is (discovery and experimental), what the scientific method is, and the nature of a hypothesis, a prediction, and a theory.  Be familiar with the interdependence of science and technology, how science thrives with a system of collaboration, and what sets science apart from general belief systems (art and religion, for example - hint: science is based on observations/data, and is founded on readily reproducible phenomena).

Know what the theory of evolution describes; know the main force that 'drives' evolution (natural selection) and also how it works, in general.  Understand how artifical selection and natural selection are so similar, but also why they are so different.  Know something about the impact of evolution on our every day lives.

Know about what elements are, how atoms are constructed, what atomic mass and weight are, and how many electrons are present in the different energy shells of an atom.

Know what an isotope is.

Know the three bonds and the characteristics of each.

Be able to describe a water molecule and explain how water molecules interact with each other and with other things; know the important qualities of water.

Be able to discuss general aspects of the pH scale, and what acids, bases, and buffers are.

Know how carbon interacts with other atoms to make macromolecules; what is a macromolecule?

Know the different reactions hydrolysis and dehydration synthesis.

Be able to describe the four important biomolecule groups, including carbohydrates, lipids, proteins, and nucleic acids; understand which are macromolecules, comprised of chains of subunits, and also the general nature of each, including whether they are hydrophobic or hydrophilic.

Be able to discuss the nature of proteins, including general structural levels.

Know the differences between DNA and RNA.