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BioSc 231 Exam 4 2005
BioSc 231 Exam 4 2005

... containing the antibiotic kanamycin and one agar plate without antibiotics. All of the colonies are able to grow on the agar plate without antibiotic but only 4 colonies are able to grow on each of the agar plates containing kanamycin. You notice that the four colonies that grew on each of the kanam ...
25L-Mutations - Doral Academy Preparatory
25L-Mutations - Doral Academy Preparatory

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Modern Genetics - Trinity Regional School
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... 3. Gene linkage-genes for different traits that are found on the same chromosome are linked and will be inherited together. This is the reason why freckles and Red hair are frequently found inherited together. 4. Sex linked-genes for traits found on the X Chromosome will be inherited if the X chrom ...
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... and dispersive models of DNA replication. 67) be able to identify all components during the replication process: parent DNA, lead strand, lag strand, okasaki fragment, 3’ end, 5’ end, sequence of formation of okasaki fragments, DNA polymerase, ligase, RNA primase, RNA ...
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... Some amino acids that are released from protein breakdown and are not needed for new protein synthesis undergo oxidative degradation. When a diet is rich in protein and the ingested amino acids exceed the body’s needs for protein synthesis, the surplus is catabolized; amino acids cannot be stored. D ...
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... - a process by which the peptide bonds between the amino acids are reconfigured which causes a loss of the protein’s biological properties - can be caused by heat, radiation, pH changes or salty environments - once the physical or chemical factor is removed, the protein may assume its original shape ...
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apbio ch 17 study guide
apbio ch 17 study guide

... In bacteria, RNA polymerase stops transcription right at the end of the terminator. Both the RNA and DNA are then released. In eukaryotes, the pre-mRNA is cleaved from the growing RNA chain while RNA polymerase II continues to transcribe the DNA. ○ Specifically, the polymerase transcribes a DNA sequ ...
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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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