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Slide 1
Slide 1

... 1. “Double Helix” unwinds and unzips – Enzyme (chemical) called helicase does this ...
Name Ch 9 Homework- KEY 1. Cystic fibrosis is a recessive genetic
Name Ch 9 Homework- KEY 1. Cystic fibrosis is a recessive genetic

... DNA replication: Helicase unwinds the DNA double helix, forming a bubble around the origin of replication where synthesis starts. DNA polymerase binds to the DNA strands at the origin of replication and via base pairing, begins to synthesize new daughter strands of DNA. The daughter strand grows in ...
Document
Document

... # 2. If the sequence of nucleotides on one strand of DNA molecule is GCCATTG, the sequence of the complementary strand is a. GGGTAAG b. CCCTAAC c. CGGTAAC d. GCCATTC ...
Match each statement with the appropriate letter: A. DNA B. RNA C
Match each statement with the appropriate letter: A. DNA B. RNA C

... ___ 9. contains thymine ___10. contains nitrogen ...
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File

... making every protein in your body. Why are proteins important? Because they are what your muscles and tissue are made of; they synthesize the pigments that color your skin, hair, and eyes; they digest your food; they make (and sometimes are) the hormones that regulate your growth; they defend you fr ...
Basic Molecular Biology (1)
Basic Molecular Biology (1)

... not shown, but its structure is the same as thymine, except that it lacks the methyl group on C-5 ...
CP Biology – Genetics Unit
CP Biology – Genetics Unit

... Codon is triplet of nucleotides corresponding to DNA template. It is on mRNA. Anticodon is triplet of nucleotides that correspond to codons from mRNA. Anticodons are on tRNA.  Know the structure and composition of proteins Proteins are polypeptides which are polymers of amino acids. They are built ...
timeline ppt
timeline ppt

... Your timeline must include the following scientists: Griffith, Avery, Hershey & Chase, Watson & Crick, Chargaff and Wilkin’s and Franklin. You must include the following information for each: Picture, names, timeframe, experimental process and findings, major contributions to discovery of DNA as her ...
Multiple Choice: The three bases on the tRNA molecule that are
Multiple Choice: The three bases on the tRNA molecule that are

... Multiple Choice: The three bases on the tRNA molecule that are complementary to one of the mRNA codons are called the ___________________. A. message matches C. promoter B. anticodon D. codon According to Chargaff’s rules, which nucleotide is always paired with Adenine IN A DNA MOLECULE? A. Adenine ...
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Honors DNA Review What are bacteriophages? Virus that infects
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... 3 bases on tRNA that correspond to codon sequence on mRNA 31. What is the function of DNA polymerases? DNA polymerase adds DNA nucleotides to DNA template to build daughter DNA molecule 32. What is the function of RNA Polymerase? RNA polymerase adds RNA nucleotides to DNA template to build mRNA 33. ...
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DNA, RNA, and PROTEINS

... 12. When making DNA, CYTOSINE always pairs with _______________________. 13. Using an RNA message to make a protein is called ________________. 14. Name this subunit used to build DNA and RNA. ...
DNA - Bishop Ireton High School
DNA - Bishop Ireton High School

... • Cytosine binds to Guanine • A-T-T-G-G-C-G-T-A strands are bound to • T-A-A-C-C-G-C-A-T each other by H bonds ...
DETERMINING THE METHOD OF DNA REPLICATION LAB
DETERMINING THE METHOD OF DNA REPLICATION LAB

... DESCRIPTION OF REPLICATION After the publication of the structure of DNA, several possible hypotheses were advanced to describe how the DNA replicated. Three hypotheses were considered the most likely candidates to correctly explain replication: conservative, semiconservative, and dispersive. During ...
DNA - hedrickbiology
DNA - hedrickbiology

... separates into two strands ► Then produces two new complementary strands following the rules of base pairing. ► Each strand of the double helix of DNA serves as a template, or model, for the new strand. (semi-conservative) ...
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DNA Structure

... The bases hydrogen bond to each other at the locations to the right. Look for these donors and acceptors to ...
Discovering DNA: Structure and Replication
Discovering DNA: Structure and Replication

... • The structure of DNA was determined to be shaped like a double helix, with strands held together by the weak hydrogen bonds formed between the bases A-T and C-G. ...
Translation and Transcription and Replication, Oh My!
Translation and Transcription and Replication, Oh My!

... • Transcription vs. translation ...
Lab 6: DNA and RNA: The “ART” of the Central Dogma Introduction
Lab 6: DNA and RNA: The “ART” of the Central Dogma Introduction

... Part 1: Review. Consult your textbook to answer the review questions found in the results section Part 1. Part 2: Replication Replication begins during the “S” phase of the cell cycle. If a cell does not replicate before it divides, each cell would lose half of the genetic material (a bad thing). R ...
Genetics Exam Review #2
Genetics Exam Review #2

... T-A-C-A-G-T-C-T-A-G-G-C-A-T-C-C-A-G-C-A-T A-T-G-T-C-A-G-A-T-C-C-G-T-A-G-G-T-C-G-T-A ...
Level 3 - rgreenbergscience
Level 3 - rgreenbergscience

... Background: DNA (deoxyribonucleic acid) is found in the chromosomes of all living things. The chromosomes (located in the cell’s nucleus) contain genetic information in long sequences of DNA (DNA chains can be millions of nucleic acids long). DNA provides a set of instructions on how to build the pr ...
nitrogenous base - Brookwood High School
nitrogenous base - Brookwood High School

... 1. An enzyme breaks the hydrogen bonds that hold the 2 strands together, unzipping the DNA. ...
11/22/2013
11/22/2013

... An initiation codon marks the start of an mRNA message •Translation can be divided into the same three phases as transcription: initiation, elongation, and termination. •An mRNA molecule is longer than the genetic message it contains. It contains a starting nucleotide sequence that helps the initiat ...
Functions of DNA Polymerase e
Functions of DNA Polymerase e

... Rev. Plant Sci. 26: 105–122. Jenik, P.D., Jurkuta, R.E., and Barton, M.K. (2005). Interactions between the cell cycle and embryonic patterning in Arabidopsis uncovered by a mutation in DNA polymerase epsilon. Plant Cell 17: 3362–3377. Pursell, Z.F., Isoz, I., Lundstrom, E.B., Johansson, E., and Kunk ...
Document
Document

... There are four nitrogen bases making up four different nucleotides. ...
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DNA replication



DNA replication is the process of producing two identical replicas from one original DNA molecule. This biological process occurs in all living organisms and is the basis for biological inheritance. DNA is made up of two strands and each strand of the original DNA molecule serves as a template for the production of the complementary strand, a process referred to as semiconservative replication. Cellular proofreading and error-checking mechanisms ensure near perfect fidelity for DNA replication.In a cell, DNA replication begins at specific locations, or origins of replication, in the genome. Unwinding of DNA at the origin and synthesis of new strands results in replication forks growing bidirectional from the origin. A number of proteins are associated with the replication fork which helps in terms of the initiation and continuation of DNA synthesis. Most prominently, DNA polymerase synthesizes the new DNA by adding complementary nucleotides to the template strand.DNA replication can also be performed in vitro (artificially, outside a cell). DNA polymerases isolated from cells and artificial DNA primers can be used to initiate DNA synthesis at known sequences in a template DNA molecule. The polymerase chain reaction (PCR), a common laboratory technique, cyclically applies such artificial synthesis to amplify a specific target DNA fragment from a pool of DNA.
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