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Organic
Organic

... Hormones = messenger molecules that are secreted one place but have their effect elsewhere (Ex: insulin : secreted from pancreas & tells body cells to remove glucose from ...
1. DNA (genetic info is passed down through DNA and RNA) A
1. DNA (genetic info is passed down through DNA and RNA) A

... Nonsense mutation- means that a stop codon is coded for too early and results in short polypeptide 1. Single gene mutations in humans caused by DNA mutations a. PKU- recessive; phenylketonuria, enzyme deficiency b. Sickle cell- recessive; primarily of African descent, carriers resistant to malaria c ...
1 - contentextra
1 - contentextra

... Metabolism The sum of the chemical reactions that occur in a living organism. Micronutrient Nutrients needed in very small amounts, less than 0.005% of body mass per day. They are used to enable the body to produce enzymes and hormones. Monosaccharide Simple sugar with the formula CnH2nOn. They are ...
C454_lect11 - chem.uwec.edu - University of Wisconsin
C454_lect11 - chem.uwec.edu - University of Wisconsin

... Regulation of amino acid biosynthesis. Amino acids as precursors to other biological molecules. e.g., Nucleotides and porphoryns ...
3rd of 7 Review Packets
3rd of 7 Review Packets

... Nonsense mutation- means that a stop codon is coded for too early and results in short polypeptide 1. Single gene mutations in humans caused by DNA mutations a. PKU- recessive; phenylketonuria, enzyme deficiency b. Sickle cell- recessive; primarily of African descent, carriers resistant to malaria c ...
Lab/Activity: Prot
Lab/Activity: Prot

... Proteins are made in the cytoplasm by ribosomes. Since DNA cannot leave the nucleus, the information from DNA must be transmitted from the nucleus to the cytoplasm. During transcription, each gene on the DNA is read and codes directly for a messenger RNA (mRNA) molecule. The mRNA is made by matching ...
Hands on Simulation of Mutation
Hands on Simulation of Mutation

... Hands-on nature of this simple simulation makes the concepts clear. This exercise leads to a discussion of the effects of the random mutations to individuals with that mutation, and thus the actual frequency of synonymous to non-synonymous substitutions observed in genes. ...
Biology Final Review
Biology Final Review

... c. valine d. histdine 22. If a portion of a messenger RNA molecule contains the base sequence A-A-U, the corresponding transfer RNA base sequence is a. A-A-U b. G-G-T c. T-T-C d. U-U-A 23. Which defines a codon? a. a protein that begins transcription by breaking apart H bonds b. a free-floating base ...
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DNA Notes Day 2 PowerPoint
DNA Notes Day 2 PowerPoint

... • Cells turn the information found within the genes on DNA into a set of instructions for use in building proteins. • This set of instructions of the gene is called ribonucleic acid or RNA. • RNA is a single strand of nucleotides; DNA is double ...
Chapter 6 Crossword Puzzle
Chapter 6 Crossword Puzzle

... disassembled into amino acids Increased dietary protein intake can lead to increased excretion of the mineral _____. Amino acids can be used to make glucose if insufficient dietary _____ are consumed. What the body uses to assemble its own proteins Proteins that act to defend the body from disease P ...
NS 315 Unit 6: Proteins
NS 315 Unit 6: Proteins

...  Protein: Large organic compounds made of amino acids arranged in a linear chain and joined together by peptide bonds between the carboxyl and amino groups of adjacent amino acid groups ...
Chapter 12 Genetic Engineering and the Molecules of Life
Chapter 12 Genetic Engineering and the Molecules of Life

... Because there are 20 amino acids present in the proteins, the DNA code must contain 20 code “words”; each word represents a different amino acid. The genetic code is written in groupings of three DNA bases, called codons. The diagram shows possible codons, determined according to the base sequence o ...
Section 12-1
Section 12-1

... RNA copy: U U A A C C G G G a. DNA contains coding regions called exons and noncoding regions called introns (RNA only takes copy of exons to ribosome) B. Translation – tRNA read bases in mRNA and bring amino acids to ribosome in correct sequence using the genetic code Genetic Code: (fig 12-17) -mRN ...
Genetic encoding of the post-translational modification 2
Genetic encoding of the post-translational modification 2

... The number and complexity of identified lysine post-translational modifications (PTMs) continue to grow. Historically the most commonly observed protein modifications are located at lysine side chains, such as methylation or acetylation. In these examples the charge state of a lysine side chain is a ...
Genetic Disorders
Genetic Disorders

...  Imagine a world in which we will be able to treat diseases by altering our very genes‚ giving us new ones if ours are nonfunctional, changing bad genes for good ones. For the first time in our existence, we are closer to understanding just what we are. We now have the tools to make the whole world ...
Genetics - LLI Manassas
Genetics - LLI Manassas

... RNA polymerase (pəˈliməˌrās) and the ribosome (rībəˌsōm) described below, etc. are needed to fabricate all these. There are over 100,000 unique types, including ATP synthase (sĭn′thās′). These and many/most others are composed of multiple protein units. So, the bio-molecular ‘hardware’ required for ...
Exam 3 Q3 Review Sheet 3/1/11
Exam 3 Q3 Review Sheet 3/1/11

... 2. “Essay” Question - You need to be able describe the process of transcription and translation in a cell using a combination of drawings and text. Use the pictures in the book to help you figure out the best way to make the drawings. You should indicate the location where each is occurring. Then ad ...
The Cell in Motion
The Cell in Motion

... movement, mitosis, and cell division, among others. This ring represents the centriole and the strings represent the cytoskeleton” Instruct eight students on how to hold the ends of the strings. Have the strings reach from the Golgi to the crepe paper plasma membrane and to the lysosome, i.e. the bu ...
CHM 103 Lecture 36 S07
CHM 103 Lecture 36 S07

... Function of proteins determined by amino acids used and how they are put together in 2-D and 3-D ...
2.3 Biomolecules Hon
2.3 Biomolecules Hon

...  Each substrate fits into the active site. (Like a lock & key) ...
Central Dogma Review Sheet
Central Dogma Review Sheet

... 2. Likewise, be able to describe the structure of RNA. Be able to list differences between DNA and RNA, and recognize the two by sight. 3. Understand how base pairing works. Know that A hydrogen-bonds with T, and C bonds with G. Be able to give the reasons why the base pairing is so specific. DNA Re ...
Slide 1
Slide 1

... Amino-acids that are degraded to pyruvate, α-ketoglutarate, succinyl coA, fumarate or oxaloacetate are termed glucogenic amino-acids. Net synthesis of glucose is possible because TCA cycle intermediates and Pyruvate can be be converted to phosphoenolpyruvate and then into Glucoce (Gluconeogenesis) ...
Introduction and Review
Introduction and Review

... Also, the different RNA polymerases use different mechanisms for termination ...
Chapter 4: Amino Acids General Features of Amino Acids
Chapter 4: Amino Acids General Features of Amino Acids

... • All amino acids absorb in infrared region • Only Phe, Tyr, and Trp absorb UV • Absorbance at 280 nm is a good diagnostic device for amino acids • NMR spectra are characteristic of each residue in a protein, and high resolution NMR measurements can be used to elucidate threedimensional structures o ...
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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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