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Genetics

quiz 3

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Which of these functional groups does not contain oxygen? a. carboxyl b. phosphate c. sulfhydryl d. hydroxyl e. carbonyl What is the definition of an isomer? a. active and inactive versions of a molecule b. molecules made up of the same elements c. molecules with different structures but similar functions d. molecules with the same molecular formula but different structures e. molecules with the same structure but different molecular formulas

BIO CH 4 TEST

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Campbell's Biology, 9e (Reece et al.) Chapter 5 The Structure and Function of Large Biological Molecules In Chapter 5, the principles of chemistry covered in earlier chapters are applied to the understanding of biological polymers and lipid membranes. The emphasis is on properly linking monomers and their polymers, and on the structural and functional diversity of the different polymer types. Particular attention is given to protein structure, because this is central to understanding subsequent chapters on metabolism, molecular biology, and molecular medicine. Multiple-Choice Questions 1) Humans and mice differ because A) their cells have different small organic molecules. B) their cells make different types of large biological molecules.

ap_bio_chap_13_dna.ppt

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0 13 The Molecular Basis of Inheritance Overview: Life?s Operating Instructions In 1953, James Watson and Francis Crick introduced an elegant double-helical model for the structure of deoxyribonucleic acid, or DNA DNA, the substance of inheritance, is the most celebrated molecule of our time Hereditary information is encoded in DNA and reproduced in all cells of the body (DNA replication) Figure 13.1 Concept 13.1: DNA is the genetic material Early in the 20th century, the identification of the molecules of inheritance loomed as a major challenge to biologists The Search for the Genetic Material: Scientific Inquiry

Intro to Microbiology, Part 3/3 Study Guide

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Intro to Biotechnology Mark Muller April 4, 2015 Chelsea Claverie Exam 3 Study Guide Southern blotting - Southern blot uses an autoradiograph in combination with an electrophoresis gel to identify similarities between DNA. Similar DNA should travel the same distance in the electrophoresis, on the blot, and have the same binding sites from probes on the autoradiograph. Retrovirus Life Cycle in Cells: Retrovirus originates in nucleus of cell, binds to cell receptor of new cell to infect, reverse transcripts, then binds to the host DNA

Intro to Microbiology, Part 2/3 Study Guide

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Intro to Biotechnology Mark Muller March 19, 2015 Chelsea Claverie Midterm Study Guide The Northern Blot detects the presence of certain RNA sequences, while the Southern blot can detect various DNA segments. Northern blot uses a gel electrophoresis, blot, RNA probes, and x-ray to determine the presence of a particular mRNA sequence that was immobilized and run in the electrophoresis. Southern blot uses an autoradiograph in combination with an electrophoresis gel to identify similarities between DNA. Similar DNA should travel the same distance in the electrophoresis, on the blot, and have the same binding sites from probes on the autoradiograph.

Intro to Microbiology, Part 1/3 Study Guide

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Chelsea Claverie MCB 1310 February 10, 2015 Exam 1 Review: DNA polymerase ? involved in the replication of DNA, requires a ?primer? to initiate a new strand of DNA, faster at synthesis RNA Polymerase ? involved in transcription of DNA to mRNA, does not require a primer to start a new strand of RNA and will stop transcription with it encounters a stop codon

Replication Simulation

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AP Biology: DNA Replication Lab You will use simulations to demonstrate the structure and replication of DNA in this laboratory exercise. As you have studied, the genetic information for living organisms is stored in the structure of deoxyribose nucleic acid (DNA). Our DNA molecules carry the genetic code for inherited characteristics in the triplet-coded sequences of its nitrogen bases. Each time a cell divides, its DNA is precisely duplicated (DNA replication) so that the DNA of the cells formed is identical to that of the original cell.

Virtual Fly Lab

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Name __________________________________ Period ___________ AP Biology Lab 7: Genetics of Drosophila (virtual version) Overview In this lab you will be doing virtual genetic crosses of fruit flies (Drosophila melanogaster). You will learn how to collect data from F1 and F2 generations and analyze the results from a monohybrid, dihybrid, or sex-linked cross. Objectives Use chi-square to analyze data Understand the life cycle of fruit flies Investigate the independent assortment of two genes and determine whether the two genes are autosomal or sex-linked using a multi-generation experiment Introduction

Lab 7

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Name __________________________________ Period ___________ AP Biology Lab 7: Genetics of Drosophila (virtual version) Overview In this lab you will be doing virtual genetic crosses of fruit flies (Drosophila melanogaster). You will learn how to collect data from F1 and F2 generations and analyze the results from a monohybrid, dihybrid, or sex-linked cross. Objectives Use chi-square to analyze data Understand the life cycle of fruit flies Investigate the independent assortment of two genes and determine whether the two genes are autosomal or sex-linked using a multi-generation experiment Introduction

Chromatin folding

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Chromatin: The formation of chromosomes Chromatin is packed into chromosomes during mitosis. We will look at the steps from interphase to metaphase There are several levels of organisation in terms of chromatin folding? Free DNA 2nm Formation of the nucleosome: The DNA strand wraps around a core of eight histones (H2A, H2B, H3, H4: x2) 1.65 times. Also known as ?beads-on-a-string? and is the basic chromatin structure. 10nm An H1 histone tails binds on the outside of the coil on each nucleosome unit, now chromatosome units. Further condensing occurs: 30nm Interactions between: Interactions between chromatosomes (nucleosomes and H1 histones) leads to more folding of the 30nm fibres, creating a thicker fibre. 30nm

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