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DNA
DNA

... The genotype of an individual refers to the information encoded by all the genes, which are all present in duplicate The phenotype refers to how the genes are expressed as physical traits in the individual or bacterial cell. ...
Gene Expression
Gene Expression

... are coding DNA (translated into a protein), which are only about 2% of human genome  introns are non-coding DNA, which provide structural integrity and regulatory (control) functions  exons can be thought of program data, while introns provide the program logic  Humans have much more control stru ...
WEBQUEST – DNA and Protein Synthesis
WEBQUEST – DNA and Protein Synthesis

... PART 2: Fireflies Go back to Molecules of Inheritance and click on What Makes a Firefly Glow? 6. What does the LUC gene specify? ___________________ 7. a. The RNA polymerase makes a copy of the LUC gene in what form? _____________ b. Once transcription is complete, where does the mRNA go next? ____ ...
Intro To Molecular Regulation And Signaling
Intro To Molecular Regulation And Signaling

... • Since there is a great amount of repetition in the process of signal transduction, therefore loss of function of a signaling protein through gene mutation does not necessarily result in abnormal development or death because other members of the gene family may compensate for the loss. • Also, ther ...
DNA info
DNA info

... Genes are the basic structural and functional unit of heredity. Together they form chromosomes which are made up of DNA, histones, and other support proteins. Therefore genes are found on DNA. All of the hereditary material could be called ‘instructions for making a living thing’! A gene is a specif ...
molecular biology review sheet
molecular biology review sheet

... Chapter Readings Chapter 5 Section 4 – Proteins perform most functions in cells. Chapter 9 Section 1 – All cells come from cells. Section 2 – The cell cycle multiples cells. Section 3 – Cells divide during the mitotic phase. Section 4 – Cancer cells grow and divide out of control. Chapter 11 Section ...
UNIT 7 TEST DNA TEST BLUEPRINT
UNIT 7 TEST DNA TEST BLUEPRINT

... 29. Which is NOT correctly matched? a) sickle cell anemia – poor circulation b) hemophilia – mutated transport protein c) cystic fibrosis – mucus clogs organs d) Turner’s syndrome – only 1 X chromosome 30. Which RNA strand would match up with this DNA: AGCA? a) UCGU b) UGCU c) TCGT d) AGCA 31. What ...
See DNA Essay possibilities
See DNA Essay possibilities

... (a) Describe the role of THREE of the following in the regulation of protein synthesis: - RNA splicing - repressor proteins - methylation - siRNA (b) Information flow can be altered by mutation. Describe THREE different types of mutations and their effect on protein synthesis. (c) Identify TWO envir ...
(RNA and Protein Synthesis) Section 11.4 Questions
(RNA and Protein Synthesis) Section 11.4 Questions

... 24. How many nitrogenous bases make up a codon? __________ 25. What does a codon code for? _________________________ 26. Several codons make what? _________________________ 27. Which amino acid does the codon UUU code for? _________________________ 28. How many different triplet codes can be made wi ...
1. How many main types of RNA are there?(B4.2g) a.1 b.3 c
1. How many main types of RNA are there?(B4.2g) a.1 b.3 c

... 5. Why is it possible for an amino acid to be specified by more than one kind of codon A.Some codons have the same sequence of nucleotides. B.There are 64 different kinds of codons but only 20 amino acids. C.Some codons do not specify an amino acid. D.The codon AUG codes for the amino acid methioni ...
Nature Rev.Genet. 8
Nature Rev.Genet. 8

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Managing people in sport organisations: A strategic human resource

... attracts histone deacetylases. Once HDAC removes the acetyl groups from the histone tails, the histones aggregate tightly. The closeness of histones excludes any DNA binding proteins and hence turns off gene expression in the area. Biotechnology by Clark and Pazdernik Copyright © 2012 by Academic Pr ...
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... • There are 64 different codons • Introns are removed from pre-mRNA to produce functional mRNA Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings ...
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... cells) in the organism. (Meiosis is similar to Mitosis, but instead of going through Interphase in between each cycle, the cell is not allowed to replicate its DNA.) A Punnett square is actually a way to show the Punnett Square that occur at meiosis. Chromosomes are made up of joined together A Line ...
EXAM Banswers2 - HonorsBiologyWiki
EXAM Banswers2 - HonorsBiologyWiki

... 5. Why is it possible for an amino acid to be specified by more than one kind of codon A.Some codons have the same sequence of nucleotides. B.There are 64 different kinds of codons but only 20 amino acids. C.Some codons do not specify an amino acid. D.The codon AUG codes for the amino acid methioni ...
Genetics - Mrs. Yu`s Science Classes
Genetics - Mrs. Yu`s Science Classes

... Ribosomal RNA (rRNA) molecules are the building blocks of ribosomes.  The nucleolus is an assemblage of DNA actively being transcribed into rRNA.  Within the nucleolus, various proteins imported from the cytoplasm are assembled with rRNA to form large and small ribosome subunits.  Together, the ...
Interfering with the genome: A new generation of disease treatments
Interfering with the genome: A new generation of disease treatments

... Advances in our understanding of the role of individual genes in specific diseases are opening up new opportunities for the development of radically novel drugs. One exciting area is so-called RNA interference, or RNAi. This new technology involves the creation of drugs that specifically control the ...
STUDY GUIDE for Dr. Mohnen`s part of Exam #3
STUDY GUIDE for Dr. Mohnen`s part of Exam #3

... Cis-acting element: DNA sequences that regulate expression of gene located on same DNA molecule Transcription initiation in eukaryotes: TFII: transcription factor for RNA Pol II (TF-D (with TBP),A,B,F (then initiate),E,H TFIIH: opens double helix & phosphorylated CTD of RNA PolII change from initiat ...
Exam 2 review - Iowa State University
Exam 2 review - Iowa State University

... 37. A person’s STR may vary from another person’s STR because: A. The order of nucleotides B. The bases that are present C. The chromosomal location of the STR D. The number of times a sequence is repeated E. The number of coding regions 38. What is the function of the coding sequence? A. Determines ...
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2nd Semester Review The second semester test covers Meiosis

... General process of replication General idea of protein synthesis: Transcription- where it occurs, what is produced Translation- role of mRNA, tRNA and rRNA Define- gene codon nucleotide mutation 3. DNA technologies: Understand the purpose of gel electrophoresis Know why DNA profiling is useful Defin ...
talk given by Brian Powling on 20 th January 2017
talk given by Brian Powling on 20 th January 2017

Control of Gene Expression (PowerPoint) Madison 2009
Control of Gene Expression (PowerPoint) Madison 2009

... c) predict the effects of alterations to these regulatory elements on transcription d) explain how differences in regulatory factors interacting with these elements leads to differing expression in different cell types or environments e) compare & contrast the suite of trans-acting regulatory factor ...
Sem2 Final SG 12 Part1
Sem2 Final SG 12 Part1

... 2. What causes speciation? 3. What evidence do we have to support the theory of evolution by natural selection? 4. Describe the 3 key ingredients that lead to biological evolution. 5. What are homologous structures and what do they tell us about how organisms evolved? Protein Synthesis 6. What are t ...
Document
Document

... Question: How do “new” genes arise? Duplications might allow for major mutation in the extra copy of the gene. Over time, mutations could result in a new function for the duplicated gene - essentially a new gene. Example: myoglobin and hemoglobin ...
Alternative Approaches to Molecular Biology
Alternative Approaches to Molecular Biology

... shown is from the transcriptional start site to the transcriptional stop site. This region encodes two different polypeptides. The region’s one small intron is shown for you in bold. ...
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Primary transcript



A primary transcript is the single-stranded ribonucleic acid (RNA) product synthesized by transcription of DNA, and processed to yield various mature RNA products such as mRNAs, tRNAs, and rRNAs. The primary transcripts designated to be mRNAs are modified in preparation for translation. For example, a precursor messenger RNA (pre-mRNA) is a type of primary transcript that becomes a messenger RNA (mRNA) after processing.There are several steps contributing to the production of primary transcripts. All these steps involve a series of interactions to initiate and complete the transcription of DNA in the nucleus of eukaryotes. Certain factors play key roles in the activation and inhibition of transcription, where they regulate primary transcript production. Transcription produces primary transcripts that are further modified by several processes. These processes include the 5' cap, 3'-polyadenylation, and alternative splicing. In particular, alternative splicing directly contributes to the diversity of mRNA found in cells. The modifications of primary transcripts have been further studied in research seeking greater knowledge of the role and significance of these transcripts. Experimental studies based on molecular changes to primary transcripts the processes before and after transcription have led to greater understanding of diseases involving primary transcripts.
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