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DNA and the Genetic Code
DNA and the Genetic Code

... Transcription is the synthesis of mRNA (messenger RNA) from DNA The two DNA strands separate from one another. One strand is used for replication. The other is used for transcription. mRNA is the complement strand of the original DNA except with thymine replaced with uracil (U). mRNA carries genetic ...
Core Topic 2: Molecular biology 21 hours Essential idea: Living
Core Topic 2: Molecular biology 21 hours Essential idea: Living

... Essential idea: Proteins have a very wide range of functions in living organisms. 2.4 Proteins Nature of science: Looking for patterns, trends and discrepancies—most but not all organisms assemble proteins from the same amino acids. (3.1) Understandings:  Amino acids are linked together by condens ...
Lecture 4-5 Outline
Lecture 4-5 Outline

... The word translation implies changing from the language of nucleic acids (nucleotides) to that of proteins (amino acids). Remember transcription was rewriting (copying) the information from DNA, i.e. language of nucleic acids, into the language of RNA, also nucleic acids. Translation is the transfer ...
Pipe Cleaner Protein Folding Activity My
Pipe Cleaner Protein Folding Activity My

... 2. At what point in the folding exercise did the second level of protein structure exist in your model? ...
Oct26 - Staff Web Pages
Oct26 - Staff Web Pages

... in the P site, ready for the first amino acid of the protein chain. When both sites on the ribosomes are piled, a peptide bon can form and link the amino acids After the peptide bond is formed, mRNA shirts on the ribosome so that a new codon is present in the ...
Biology and computers - Cal State LA
Biology and computers - Cal State LA

... http://us.expasy.org/tools/dna.html ...
How Does DNA Determine the Traits of a SNORK? A Introduction: In
How Does DNA Determine the Traits of a SNORK? A Introduction: In

... job is to determine the sequence of amino acids for your specimen. Write the complementary mRNA, tRNA, the amino acid (A.A.) sequence it codes for and the related trait in the chart below. ...
Biology Unit 2
Biology Unit 2

... Protein Examples  Structural Proteins  Hair, fingernails, feathers, muscle fibers, spider webs  Functional Proteins - have a specific role to carry out in a cell  Hemoglobin – transports oxygen in your blood  Insulin – transports glucose to the cells for energy  Antibodies – fight off disease ...
Exam II Answer Key
Exam II Answer Key

... structure (the boxed sequences are complementary to one another) in the RNA that is transcribed from it. This hairpin at the 3’ end is responsible for putting strain on the polymerase such that transcription is terminated. If the C-G base pair is mutated to a T-A base pair, the hairpin will likely b ...
Chapter 17: RNA
Chapter 17: RNA

... (3 consecutive bases) specify each of the 20 amino acids. Therefore, There are 43 = 64 possible triplets G. 1. During transcription, one DNA strand, the template strand, provides a template for ordering the sequence of nucleotides of one gene, in an mRNA transcript. 2. blocks of three nucleotides ba ...
Simulating Protein Synthesis to create a CHNOPS!
Simulating Protein Synthesis to create a CHNOPS!

... During transcription, which takes place in the nucleus of the cell, messenger RNA (mRNA) nucleotides read and copy the DNA sequence into a single RNA strand. mRNA can leave the nucleus because it is single stranded. mRNA travels to the ribosome where proteins are made. The codons in the mRNA strand ...
Macromolecules - Dickinson ISD
Macromolecules - Dickinson ISD

... Consist of fats, steroids, oils and waxes Used to store energy. ...
Chapter 2
Chapter 2

... functional domain such as a barrel or pocket. In this example, the coils of a globin chain form a pocket. 4) Some proteins have quaternary structure, in which two or more polypeptide chains associate as one molecule. Hemoglobin, shown here, consists of four globin chains (green and blue). Each globi ...
Text S13.
Text S13.

... Due to the substantial per-codon variability of ribosomal densities, we pooled different codons together to estimate the effect size of each factor concerned. These analyses were first conducted within each gene to avoid estimating translation initiation rates. The median or mean value among all gen ...
CHAPTER 17 FROM GENE TO PROTEIN Section A: The
CHAPTER 17 FROM GENE TO PROTEIN Section A: The

... • Marshall Nirenberg determined the first match, that UUU coded for the amino acid phenylalanine. • He created an artificial mRNA molecule entirely of uracil and added it to a test tube mixture of amino acids, ribosomes, and other components for protein synthesis. • This “poly(U)” translated into a ...
Nerve activates contraction
Nerve activates contraction

... • Marshall Nirenberg determined the first match, that UUU coded for the amino acid phenylalanine. • He created an artificial mRNA molecule entirely of uracil and added it to a test tube mixture of amino acids, ribosomes, and other components for protein synthesis. • This “poly(U)” translated into a ...
Biology 303 EXAM II 3/14/00 NAME
Biology 303 EXAM II 3/14/00 NAME

... born to a female with Down syndrome and a normal 46-chromosome male. What proportion of the offspring would be expected to have Down syndrome? 1. One half of the offspring will be expected to have Down syndrome. 2. None of the offspring would be expected to have Down syndrome. 3. All the children wo ...
Fall 08 Chapter 3 Worksheet
Fall 08 Chapter 3 Worksheet

... 2. Fats and Oils are composed of three long chains of _____________________ and an alcohol called _____________________ 3. True/False: Fats have lots of double bonds in their fatty acid chains ...
Biology 4974/5974, Evolution
Biology 4974/5974, Evolution

... • The key arguments for the “RNA World,” or RNA first hypothesis. • The genetic code: its triplet codon form, why it is universal, and why it is redundant. • Steps in the origin of anaerobic metabolism and ...
File - need help with revision notes?
File - need help with revision notes?

... function. If the tertiary structure is altered, the protein can no longer function. For example, the active site of an enzyme may have an altered shape and the substrate molecules will no longer fit. ...
Protein Synthesis PPT
Protein Synthesis PPT

...  Plant and animal breeders often take advantage of such beneficial mutations.  The condition in which an organism has extra sets of chromosomes is called polyploidy.  Often larger and stronger than diploid plants, but not beneficial in animals. ...
For the 5 W`s Flipbook you need to complete tRNA and rRNA (this is
For the 5 W`s Flipbook you need to complete tRNA and rRNA (this is

... 8. Where is mRNA found? Where is tRNA found? mRNA is found in the nucleus and tRNA is found in the cytoplasm ...
1 word is genus and
1 word is genus and

... 3 base sequence from DNA to RNA that codes for an amino acid 60. What is an anti-codon? And where is it found? The complementary base sequence for a codon found on the tRNA 61. Name the three types of RNA and function of each. mRNA- messenger rna that brings code from DNA in nucleus to the ribosomes ...
Evidence from Biology
Evidence from Biology

... - Blind cave salamanders have empty eye sockets, suggesting they evolved from salamanders with fully functioning eyes. ...
DNA Polymerase
DNA Polymerase

... sequence in which they are linked together determines the proteins function. Change the sequence, type, or number of amino acids in a protein you change the function. Amino Acids without water sensitive R-groups ...
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Expanded genetic code



An expanded genetic code is an artificially modified genetic code in which one or more specific codons have been re-allocated to encode an amino acid that is not among the 22 encoded proteinogenic amino acids.The key prerequisites to expand the genetic code are: the non-standard amino acid to encode, an unused codon to adopt, a tRNA that recognises this codon, and a tRNA synthase that recognises only that tRNA and only the non-standard amino acid.Expanding the genetic code is an area of research of synthetic biology, an applied biological discipline whose goal is to engineer living systems for useful purposes. The genetic code expansion enriches the repertoire of useful tools available to science.
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