BIOL107 Study Guide - Midterm Guide: Lipid Bilayer, Fluid Mosaic Model, Passive Transport

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Biology 107
Midterm Review Sheet
Dr. Torah Kachur
Below is a set of Objectives and Study Exercises to focus your studying for the Biology 107
midterm. This is NOT ALL that you need to review but does outline major concepts that were
focused on in the course.
Try not to look at your notes when filling this out! These questions are NOT representative of
exam-style questions they are very broad and vague use them to get you thinking not just
Good luck studying and, as always, contact me if you have any questions.
Lecture 1 Objectives
Outline the characteristics of life
Explain the current criteria of classification and its logic
Draw and discuss the significance of the tree of Domains
Describe the differences between Archaea, Bacteria and Eukarya
Give an example of both prokaryotic and eukaryotic organisms
Study Exercises:
Draw a tree outlining the relationship of Archaea, Bacteria and Eukarya.
What is the evidence for this classification?
Fill in the following table
Nuclear envelope
Membrane enclosed
Peptidoglycan in cell
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Lecture 2 Objectives
Classify different macromolecules
Identify the subunits of each macromolecule
Describe 2 functions for each class of macromolecule
Identify the bond type between each subunit
Be able to draw the chemical structure of the backbone of the amino acids
Give an example of each class of macromolecule
Study Exercises:
Fill out the following table
Polymer / Macromolecule
Type of
Nucleic Acid
Bond type
Draw one amino acid from each classification group and cysteine. Identify the backbone, R
group and defining features. Explain the reason for classification.
Explain the Watson and Crick model of DNA. Outline directionality of strands, type of helix,
base pair structures, base composition and function of DNA.
Explain how lipids are classified, name at least 3 lipids and their respective functions.
Outline the basic steps of protein folding and explain the driving forces and stabilizing forces at
each stage of protein folding.
Lecture 3 Objectives
Outline the basic properties of cells
Describe, in detail, the phospholipid bilayer and identify its components
Draw an intact biological membrane and all of its components
Know the difference between peripheral and integral membrane proteins
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