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Replication fork

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.

Molecular Basis of Inheritance

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Chapter 16: The Molecular Basis of Inheritance Overview: Life?s Operating Instructions Watson and Crick introduced the double-helical model for the structure of DNA DNA is the substance of inheritance encoded in chemical language of DNA and reproduced in all the cells of your body it is DNA that directs the development of many different types of traits Concept 16.1: DNA is the genetic material The Search for the Genetic Material: Scientific Inquiry the role of DNA in heredity was first worked out by studying bacteria and the viruses that infect them Evidence That DNA Can Transform Bacteria Griffith worked with a pathogenic and nonpathogenic strain

AP Bio Campbell 7E Chapter 16 Test Bank

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Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Attachment theory
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Personal life
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Ch 16 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. For a couple of decades, biologists knew the nucleus contained DNA and proteins. The prevailing opinion was that the genetic material was proteins, and not DNA. The reason for this belief was that proteins are more complex than DNA. This is because a. proteins have a greater variety of three-dimensional forms than does DNA. b. proteins have two different levels of structural organization; DNA has four. c. proteins are made of 20 amino acids and DNA is made of four nucleotides. d. Only A and C are correct. e. A, B, and C are correct. ____ 2. In his transformation experiments, Griffith observed that a.

DNA Replication Worksheet

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Prokaryotic DNA replication

DNA Replication INDIVIDUAL: List the enzymes/proteins involved in DNA replication and describe their role. What is a nucleotide composed of? What makes up the backbone of DNA? What are the DNA bases? Tell which are purines and pyrimidenes. Which bases pair together? What holds them together? GROUP: Replication of DNA follows the __________________________________model. Explain this model, in addition to the other two which DNA replication does not follow. A DNA strand has the following bases: A A G C C A. What are the bases on its complimentary strand? During DNA replication, nucleotides are brought in as______________. Why is this? (Bubble the right answer)

Ps2 soln

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H Solutions for Practice Problems for Molecular Biology, Session 2: DNA Replication Question 1 ATP * * H a) Box the part that is added to a growing chain of nucleic acid. b) Star the atom(s) that can form a hydrogen bond with the complementary nitrogenous base. c) Circle the part of the molecule that decreases the stability of RNA as compared to DNA.

PS2

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DNA polymerase III holoenzyme
Circular bacterial chromosome

Practice Problems for Molecular Biology, Session 2: DNA Replication Question 1 ATP ? a) Box the part that is added to a growing chain of nucleic acid. b) Star the atom(s) that can form a hydrogen bond with the complementary nitrogenous base. c) Circle the part of the molecule that decreases the stability of RNA as compared to DNA. d) Draw an arrow to the part of this molecule that you would modify to prevent further elongation. Indicate what change you would make next to the arrow drawn. Question 2 Consider the following origin of replication that is found on a chromosome. The sequence of region 1 is shown. Region 1: 5??CTGACTGACA?3?

AP Bio Reading Guide Answers CH 16

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Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid
Gene
Primer
Semiconservative replication
RNA
Replication fork
Nucleic acid double helix

Copyright ? 2011 Pearson Education, Inc. - 1 - Name_______________________ Period___________ Chapter 16: The Molecular Basis of Inheritance Concept 16.1 DNA is the genetic material 1. What are the two chemical components of chromosomes? DNA and protein 2. Why did researchers originally think that protein was the genetic material? Until the 1940s, the case for proteins seemed stronger, especially since biochemists had identified them as a class of macromolecules with great heterogeneity and specificity of function, essential requirements for the hereditary material. Moreover, little was known about nucleic acids, whose physical and chemical properties seemed far too uniform to account for

TEST BANK

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Sense
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Gene

Biology, 7e (Campbell) Chapter 17: From Gene to Protein 7) Which of the following represents a similarity between RNA and DNA? D) nucleotides consisting of a phosphate, sugar, and nitrogenous base 9) Using RNA as a template for protein synthesis instead of translating proteins directly from the DNA is advantageous for the cell because B) RNA acts as an expendable copy of the genetic material, allowing the DNA to serve as a permanent, pristine repository of the genetic material. C) many mRNA molecules can be transcribed from a single gene, increasing the potential rate of gene expression. D) B and C only

Chapter 16 Molecular Basis of Inheritance

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DNA

Chapter 16 The Molecular Basis of Inheritance Sugar?phosphate backbone 5? end Nitrogenous bases Thymine (T) Adenine (A) Cytosine (C) DNA nucleotide Phosphate 3? end Guanine (G) Sugar (deoxyribose) LE 16-8 Adenine (A) Thymine (T) Guanine (G) Cytosine (C) Sugar Sugar Sugar Sugar 5? end 3? end 5? end 3? end Space-filling model Partial chemical structure Hydrogen bond Key features of DNA structure 0.34 nm 3.4 nm 1 nm Structure of DNA The parent molecule has two complementary strands of DNA. Each base is paired by hydrogen bonding with its specific partner, A with T and G with C. The first step in replication is separation of the two DNA strands. The parent molecule has two complementary
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