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Study Guide for First Exam

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by: Natalie Adlam

Study Guide for First Exam mcb 181R

Marketplace > University of Arizona > Biology > mcb 181R > Study Guide for First Exam
Natalie Adlam
GPA 3.4

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About this Document

These cover a few key terms that will be on the exam
Intro Biology I
Dr. Susan Jordstad
Study Guide
50 ?




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1 review
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"Almost no time left on the clock and my grade on the line. Where else would I go? Natalie has the best notes period!"
Max Greenholt

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This 2 page Study Guide was uploaded by Natalie Adlam on Saturday February 6, 2016. The Study Guide belongs to mcb 181R at University of Arizona taught by Dr. Susan Jordstad in Summer 2015. Since its upload, it has received 43 views. For similar materials see Intro Biology I in Biology at University of Arizona.


Reviews for Study Guide for First Exam

Star Star Star Star Star

Almost no time left on the clock and my grade on the line. Where else would I go? Natalie has the best notes period!

-Max Greenholt


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Date Created: 02/06/16
Study Guide for Bio Exam 1 Evolution claims: 1. Species are related by common ancestry. 2. Characteristics of species change over time. Cohesion- attraction between like molecules Adhesion- attraction between unlike molecules -Organic molecules contain carbon -Proteins are made up of amino acids held together by peptide bonds -Tertiary structure forms by interactions between R-groups of the peptide chain -All enzymes are proteins, but not all proteins are enzymes -Nucleotide: phosphate group, five-carbon sugar (ribose or deoxyribose), nitrogenous base (adenine, thymine, guanine, cytosine) -Cytosine always pairs with guanine -Adenine pairs with thymine in DNA, but pairs with uracil in RNA -Nitrogenous bases H-bond to each other -Guanine and cytosine form 3 H-bonds -Adenine and thymine/uracil form 2 H-bonds -RNA can form a tertiary structure, but DNA cannot Glycoprotein- membranous component that consists of a protein and an oligosaccharide Types of fats: triglycerides, waxes, oils, sterols, phospholipids -phospholipids form lipid bilayers or micelles -small, nonpolar molecules like oxygen easily permeate a bilayer -ions like K+ can’t get through a bilayer -small, uncharged, polar molecules like water can get through a bilayer Integral membrane proteins- go all the way through cell bilayer, amphipathic Ribosomes- manufacture proteins Bacteria Eukaryotes DNA location Nucleoid region Nucleus Internal organelles Limited types Large number; many types Cytoskeleton Limited Extensive Endoplasmic reticulum- synthesis, processing, storage Smooth ER- contains enzymes that catalyze reactions involving lipids Rough ER- functions as a protein-manufacturing center Lysosomes- only in animal cells; recycling centers Vacuoles- storage centers in plant cells Peroxisomes- oxidation reactions Cisternal maturation- a protein changes in composition as it travels from the cis end of the golgi apparatus to the trans end Cytoskeleton: made up of microfilaments, intermediate filaments, and microtubules Microfilaments- maintain cell shape, move cells, move organelles Intermediate filaments- maintain cell shape, anchor nucleus Microtubules- maintain cell shape, move cells via flagella, move chromosomes, move organelles


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