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DNA - Paxon Biology
DNA - Paxon Biology

... - The replacement of one base pair with another. - Occurs when a nucleotide and its partner from the complementary DNA strand are replaced with another pair of nucleotides. - Depending on how base-pair substitutions are translated, they can result in little or no change in the protein encoded by the ...
Chemistry & Biology
Chemistry & Biology

... •ONE DNA chain is used as a pattern to produce an RNA chain •RNA chain is released and the DNA chains reform the double-helix ...
MULTIPLE CHOICE
MULTIPLE CHOICE

... _____ A base change resulting in a codon specifying the same amino acid as found in the wild-type polypeptide. A. Missense B. Silent C. Nonsense D. Synonymous E. Frameshift _____ The fluctuation test of Luria and Delbruck (studying resistance to bacteriophge T1 infection) established that A. T1 phag ...
Supplement Figures
Supplement Figures

... an approximation for the codon translation speed. The tAI index was developed mainly based on optimizing the translation efficiency of highly express genes. Two recent papers [15, 16] used evolutionary selection for translation efficiency as a means to learn the efficiency and coefficients of codon- ...
chapter review answers
chapter review answers

... c. codes for only one amino acid d. is made of mRNA 9. Which of the following is true; a. RNA is usually single stranded b. DNA is usually single stranded c. DNA contains Uracil d. RNA contains Thymine 10. A promoter is a. binding site for DNA polymerase b. binding site for RNA polymerase c. start s ...
DNA notes 2015 - OG
DNA notes 2015 - OG

... • messenger RNA (mRNA) goes into the nucleus and copies the DNA • Uses enzyme – RNA Polymerase • The next step is that mRNA moves from the nucleus to the cytoplasm and to the ribosome • RNA has 1 different base pair! ...
Frameshift Mutations
Frameshift Mutations

... • RNA differs from DNA in three major ways. – RNA has a ribose sugar. – RNA has uracil instead of thymine. – RNA is a single-stranded structure. ...
命題標頭紙 - 慈濟大學醫學資訊學系所
命題標頭紙 - 慈濟大學醫學資訊學系所

... 1. Briefly describe the central dogma of molecular biology (flow of genetic information). (10%) 2. Explain what are primary structure, secondary structure and tertiary structure of proteins. (10%) 3. A, T, G, and C are abbreviations for 4 amino acids. Write their full name and three letter codes, an ...
6.7 Human Genetic Diseases
6.7 Human Genetic Diseases

... – single-celled eukaryote parasite spends part of its life cycle in red blood cells • In tropical Africa, where malaria is common: – homozygous dominant individuals die of malaria – homozygous recessive individuals die of sickle cell anemia – heterozygote carriers are relatively free of both • repro ...
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... ♦ Law of Segregation (separation) states that gene pairs separate when gametes are formed, so each gamete has only one allele of each pair. ♦ Law of Independent Assortment states that different pairs of genes separate independently of each other when gametes are formed. ***(Be sure to remember, game ...
Acid and Bases PPT
Acid and Bases PPT

... 21.3 What are bases? Some properties of bases are: 1. Bases create a bitter taste. 2. Bases have a slippery feel, like soap. 3. Bases change the color of red litmus paper to blue. 4. Bases can be very corrosive, destroying metals and burning skin through chemical action. ...
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... List two functions of lipids Answer: 1. Components of biological membranes 2. Energy storage 3. Thermal insulation and padding 4. Surface protection 5. Cell signaling and recognition Question #2: Triacylglycerols, phospholipids, steroids and waxes are all lipids. Triacylglycerols (TAGs) are the stor ...
RNA - Humble ISD
RNA - Humble ISD

... Mendel/flower images from: http://www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookTOC.html Blood cell by Riedell ...
CAD_issue_#3 - University of Illinois Archives
CAD_issue_#3 - University of Illinois Archives

... FolksI want to consider the Yonath symmetric dimer core (of the 50S ribosome) in relation to Woese's old Reciprocating Ratchet (also symmetric). The notion that symmetry lies at the heart of translation -- both within and between tRNA molecules (in translation) and at the core of the ribosome (defin ...
Unit VII: Genetics
Unit VII: Genetics

... The same thing happens with the protein The order of the letter (amino acids) determines the structure of the words and sentence (protein) One little mistake can completely change the meaning ...
Chapter 12 Study Guide
Chapter 12 Study Guide

... According to the principle of ____________________, hydrogen bonds can form only between adenine and thymine, and between guanine and cytosine. Chromatin contains proteins called ____________________. In Figure 12-7, A, B, and C are three types of ____________________. ...
CONTENTS DNA, RNA AND PROTEIN SYNTHESIS DNA
CONTENTS DNA, RNA AND PROTEIN SYNTHESIS DNA

... information needed for protein synthesis. Transcription takes place in two broad steps. First, premessenger RNA is formed, with the involvement of RNA polymerase enzymes. The process relies on Watson-Crick base pairing, and the resultant single strand of RNA is the reverse-complement of the original ...
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... breed, age and sex of the bird. ...
File - Ms. Poole`s Biology
File - Ms. Poole`s Biology

... • mRNA-carries the information from the DNA gene to the cytoplasm. Determines the sequence of amino acids for a protein • tRNA-brings the correct amino acid to the ribosome and mRNA in translation • rRNA-found on ribosomes and used to "connect" the tRNA to the ...
Chemistry of Life
Chemistry of Life

... Peptides • Bond that joins two amino acids is called a Peptide Bond. • Water molecule formed when peptide bond forms • What do we call this? … Dehydration Synthesis ...
Q. No. 1. How can RNA be distinguished from DNA?
Q. No. 1. How can RNA be distinguished from DNA?

... synthesized for export out of the cell, are made by ribosomes attached to the rough endoplasmic reticulum. The process of protein synthesis begins with the capture of the tRNA, which is carrying an amino acid, by an initiation factor. This binds to a small ribosomal subunit, which occupies one of t ...
Test Review on DNA Structure, DNA Replication
Test Review on DNA Structure, DNA Replication

... Understand that the nitrogen base is the part of the nucleotide that forms the genetic code, and be able to name the four possible nitrogen bases in a DNA nucleotide. Know how the nucleotides are organized in the strands Know the complementary nitrogen base pairings ...
Topic 10: Inheritance/Genetics, or Why do we resemble our
Topic 10: Inheritance/Genetics, or Why do we resemble our

... X-ray diffraction by DNA Franklin’s interference pattern revealed that: DNA is a multi-stranded helix 2 nm (billionths of a meter) in diameter, Some structural feature repeats every 0.34 nm Some other structural feature repeats every 3.4 nm ...
PROTEIN-SYNTHESIS
PROTEIN-SYNTHESIS

... “unzipped” and the mRNA strand copies a strand of DNA. Once it does this, mRNA leaves the nucleus and goes into the cytoplasm. mRNA will then attach itself to a ribosome. The strand of mRNA is then read in order to make protein. They are read 3 bases at a time. These bases are called codons. tRNA is ...
GENETICS 603 EXAM 1 Part 1: Closed book October 3, 2014 NAME
GENETICS 603 EXAM 1 Part 1: Closed book October 3, 2014 NAME

... base  changes  induced  than  those  included  in  the  test.  This  was  true  even  though  they  were   single  base-­‐pair  point  mutations,  including  nonsense  mutations  that  fully  eliminated   enzyme  activity.  Suggest  an  exp ...
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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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