Download Exam One Study Guide

Biology-1
Exam One
Study Guide
A study guide is meant to guide you. It is not a comprehensive list of questions on the exam. You need to know
what each term means, but also how it relates to surrounding terms.
Ch. 1 Exploring Life
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What are life’s levels of organization from simple to complex (atom to biosphere)? Be able to define each level.
At what level does life emerge?
What is the relationship between structure and function?
What are the differences between prokaryotic and eukaryotic cells with respect to size, structure, etc.
Consider how living organisms interact with their environment by exchanging matter and energy.
What is the hereditary material of all cells?
What is a gene? How is a gene related to DNA?
What are the common features that all forms of life have?
What are the three domains of life and what types of cells are found in each domain?
Who is Charles Darwin and what two things did his published work accomplish?
What two observations did Darwin make that led him to infer his theory of evolution by means of natural
selection?
What is discovery science? Hypothesis based science? What is the difference between a theory and a hypothesis?
What are the steps of the scientific method?
What are the criteria for a hypothesis?
Ch. 2 The Chemical Basis of Life
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What is an element and what are the unique building blocks of elements?
What is the structure of an atom? What are the three subatomic particles discussed in class, their location and their
charge if any?
What is the atomic number, mass number of an atom?
How do you determine the number of neutrons in an atom?
What is an isotope?
What is a radioisotope? How are radioisotopes useful in modern medicine?
What is the valence shell?
What is the octet rule and how is it related to the reactivity or stability of an atom?
You need to know how hydrogen, ionic and covalent (polar and nonpolar) bonds are formed.
Is water polar or nonpolar, and why? Is carbon dioxide and molecular oxygen polar or nonpolar and why?
What are the properties of water discussed in class?
Ch. 3 Molecules of Cells
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What is the difference between organic and inorganic compounds?
Know the names and atoms present in the functional groups discussed in class.
What is a monomer? Polymer? Which of the four organic molecules are considered polymers? Why?
What are the four macromolecules of cells and what are the building blocks/monomers, functions and examples of
each one?
What are dehydration synthesis and hydrolysis reactions and what are they used for?
How do you classify carbohydrates? How would you classify glucose? Fructose? Starch, glycogen, cellulose?
Know the differences between DNA and RNA. How many types of nucleic acids exist in cells?
What are the functions of DNA?
Biology-1
Exam One
Study Guide
Ch. 4 A Tour of the Cell
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Know the structure and function of all organelles discussed in class.
What is the approximate size of cells? Why do cells maintain their small size?
What are the major differences between plant and animal cells?
What types of images can be seen using a Scanning Electron versus a Transmission electron microscope?
What are the three types of cellular junctions and where in the body are they useful?