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Modern Genetics Outline
Modern Genetics Outline

... (join) together in a certain way known as _________ pairing.  __________ (A) and _________ (T) bond together.  __________ (G) and _________ (C) bond together.  No other combinations are __________. DNA Replication  During reproduction, _____ makes exact _______ of itself (__________).  The proc ...
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CHEM 642-09 Powerpoint
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... specifies each amino acid. Codons for the same amino acid tend to contain the same nucleotides at the first and second positions, and vary at the third position. Three codons do not specify any amino acid but act as termination sites (stop codons), signaling the end of the protein- coding sequence. ...
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Mutations Practice
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... The genetic makeup of all known living things is carried in a genetic material known as DNA. The bases pair very specifically (A only with T and C only with G) so that when the DNA molecule replicates every cell has an exact copy of the DNA strand. The order of the bases in a DNA molecule is the key ...
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Practice Question for Replication, Genetics and Biotechnology

... 28. A trait that expresses itself as a heterozygote is ______________ (dominant or recessive). 29. Sex linked traits are found on the _____________________ chromosome. 30. People who have one copy of an allele for a recessive disorder, but do not exhibit symptoms are called _________ 31. Is blood ty ...
Mutation Activity
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... The genetic makeup of all known living things is carried in a genetic material known as DNA. The bases pair very specifically (A only with T and C only with G) so that when the DNA molecule replicates every cell has an exact copy of the DNA strand. The order of the bases in a DNA molecule is the key ...
BIS2A TM Murphy Page 1 PROBLEMS ON MOLECULAR BIOLOGY
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... d. One base in one position is different. The amino acid chain 4) lacks most of the amino acids in 2), because the base change produced a new termination codon. e. Sequence 5) has an additional A after the seventh base. This addition changes the third codon and the codons that follow, because it cha ...
BIS2A TM Murphy Page 1 PROBLEMS ON MOLECULAR BIOLOGY
BIS2A TM Murphy Page 1 PROBLEMS ON MOLECULAR BIOLOGY

... d. One base in one position is different. The amino acid chain 4) lacks most of the amino acids in 2), because the base change produced a new termination codon. e. Sequence 5) has an additional A after the seventh base. This addition changes the third codon and the codons that follow, because it cha ...
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Domain Genetics - preassessment questions

... 17. In protein synthesis, translation is the process that directly results in the A. production of amino acid chains B. manufacture of mRNA C. copying of one DNA molecule into two molecules D. movement of protein from one cell to another ...
DNA, RNA and Protein Synthesis 1. Define: Nucleotide
DNA, RNA and Protein Synthesis 1. Define: Nucleotide

... the sequence would encode methionine, but is not recognized as a start codon in this example because it is not at the beginning. 30. The nucleotide sequence of each structural gene determines the codon sequence of a specific m-RNA molecule, which in turn determines the amino acid sequence (primary s ...
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fix my dna text

... Protein structure is determined by the DNA base code. Proteins are made from lots of amino acids joined together. Each amino acid is coded by the sequence (order) of three bases. For example, GGT codes are found in glycine but TCA codes are found in serine, a different amino acid. The sequence of ba ...
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Genetic code



The genetic code is the set of rules by which information encoded within genetic material (DNA or mRNA sequences) is translated into proteins by living cells. Biological decoding is accomplished by the ribosome, which links amino acids in an order specified by mRNA, using transfer RNA (tRNA) molecules to carry amino acids and to read the mRNA three nucleotides at a time. The genetic code is highly similar among all organisms and can be expressed in a simple table with 64 entries.The code defines how sequences of these nucleotide triplets, called codons, specify which amino acid will be added next during protein synthesis. With some exceptions, a three-nucleotide codon in a nucleic acid sequence specifies a single amino acid. Because the vast majority of genes are encoded with exactly the same code (see the RNA codon table), this particular code is often referred to as the canonical or standard genetic code, or simply the genetic code, though in fact some variant codes have evolved. For example, protein synthesis in human mitochondria relies on a genetic code that differs from the standard genetic code.While the genetic code determines the protein sequence for a given coding region, other genomic regions can influence when and where these proteins are produced.
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