MCDB 1030 – Spring 2003
... are polynucleotides, constructed from DNA nucleotides (monomers). b) What are three important structural differences between DNA and RNA? The ribose sugar in ribonucleotides (the building blocks for RNA) has an OH (hydroxyl) group on the 2’-carbon, while the deoxyribose sugar of deoxyribonucleotides ...
... are polynucleotides, constructed from DNA nucleotides (monomers). b) What are three important structural differences between DNA and RNA? The ribose sugar in ribonucleotides (the building blocks for RNA) has an OH (hydroxyl) group on the 2’-carbon, while the deoxyribose sugar of deoxyribonucleotides ...
Chapter 8 Microbial Genetics
... • Nucleotides • Deoxyribose, phosphate, nitrogen base • Adenine, guanine, cytosine, thymine • Double helix • 2 chains of nucleotides • Alternating units of sugar and phosphate • Nitrogen base is attached to the sugar molecule ...
... • Nucleotides • Deoxyribose, phosphate, nitrogen base • Adenine, guanine, cytosine, thymine • Double helix • 2 chains of nucleotides • Alternating units of sugar and phosphate • Nitrogen base is attached to the sugar molecule ...
Answers for extension worksheet – Chapter 3
... bonds to form a polypeptide. This molecule is released from the ribosome and moves to the Golgi apparatus, where it is modified to form protein. ...
... bonds to form a polypeptide. This molecule is released from the ribosome and moves to the Golgi apparatus, where it is modified to form protein. ...
Lecture 2a – Origin of Life and the transition from the RNA world to
... shows that a selfreplicating molecule must be shorter (in terms of base pairs) than the reciprocal of the error rate for copying each base. It is thought that the first self-replicating molecule was an RNA (or perhaps an RNA-like molecule). We will not discuss the important question of how the 4 bas ...
... shows that a selfreplicating molecule must be shorter (in terms of base pairs) than the reciprocal of the error rate for copying each base. It is thought that the first self-replicating molecule was an RNA (or perhaps an RNA-like molecule). We will not discuss the important question of how the 4 bas ...
Regulation of Gene Activity
... Translational control: when translation begins and how long it continues Posttranslational control: after protein synthesis, polypeptide may have to undergo additional changes before it is functional. ...
... Translational control: when translation begins and how long it continues Posttranslational control: after protein synthesis, polypeptide may have to undergo additional changes before it is functional. ...
RNA Synthesis (Transcription)
... b. Terminators – Sequences for termination c. Enhansers & silencers – Sequences for increasing or decreasing rate of ...
... b. Terminators – Sequences for termination c. Enhansers & silencers – Sequences for increasing or decreasing rate of ...
DNA Replication
... • It codes for the enzymes responsible for lactose catabolism • Within the operon, there are three genes that code for proteins (structural protein) and an upstream control region including promoter and a regulatory site called the operator • Laying outside the operon is the repressor gene, which co ...
... • It codes for the enzymes responsible for lactose catabolism • Within the operon, there are three genes that code for proteins (structural protein) and an upstream control region including promoter and a regulatory site called the operator • Laying outside the operon is the repressor gene, which co ...
Conceptual Translation as a part of Gene Expression
... to the ribosome sites of protein synthesis in the cell. In eukaryotic cells, once mRNA has been transcribed from DNA, it is "processed" before being exported from the nucleus into the cytoplasm, where it is bound to ribosomes and translated into its corresponding protein form with the help of tRNA. ...
... to the ribosome sites of protein synthesis in the cell. In eukaryotic cells, once mRNA has been transcribed from DNA, it is "processed" before being exported from the nucleus into the cytoplasm, where it is bound to ribosomes and translated into its corresponding protein form with the help of tRNA. ...
Document
... • Diseases they cause: AIDS, leukemia, cancers • A cellular tRNA behaves as primer fro viral genome replication ...
... • Diseases they cause: AIDS, leukemia, cancers • A cellular tRNA behaves as primer fro viral genome replication ...
Class Outline 1. Understanding polynucleotide structure (Read) 2
... called nucleobases (informally, bases). It is the sequence of these four nucleobases along the backbone that encodes information. This information is read using the genetic code, which specifies the sequence of the amino acids within proteins. The code is read by copying stretches of DNA into the r ...
... called nucleobases (informally, bases). It is the sequence of these four nucleobases along the backbone that encodes information. This information is read using the genetic code, which specifies the sequence of the amino acids within proteins. The code is read by copying stretches of DNA into the r ...
Chapter 10
... such as methylation or extensive restructing of the sugar skeleton itself, as in the conversion of guanosine to wyosine (W). Over 50 different modifications have been catalogued to date. These modifications can be nearly universal, such as the dihydrouridine (D) found in the tRNA D loop, or more spe ...
... such as methylation or extensive restructing of the sugar skeleton itself, as in the conversion of guanosine to wyosine (W). Over 50 different modifications have been catalogued to date. These modifications can be nearly universal, such as the dihydrouridine (D) found in the tRNA D loop, or more spe ...
Decoding DNA
... Use your knowledge of transcription and translation to decode this secret message! STEP 1: “Build” a mRNA molecule that is complimentary to the DNA molecule, base pair by base pair. (REMEMBER: in RNA, adenine pairs with uracil) STEP 2: Determine the tRNA codons that would compliment with the mRNA st ...
... Use your knowledge of transcription and translation to decode this secret message! STEP 1: “Build” a mRNA molecule that is complimentary to the DNA molecule, base pair by base pair. (REMEMBER: in RNA, adenine pairs with uracil) STEP 2: Determine the tRNA codons that would compliment with the mRNA st ...
Indicate whether the statement is true or false. If false
... ____ 14. According to Darwin, the word selection would indicate organisms’ ability to survive and reproduce in their particular environments. _________________________ ____ 15. The fact that species today look different from their ancestors can be described as descent with modification. ____________ ...
... ____ 14. According to Darwin, the word selection would indicate organisms’ ability to survive and reproduce in their particular environments. _________________________ ____ 15. The fact that species today look different from their ancestors can be described as descent with modification. ____________ ...
RNA Ligands to Bacteriophage T4 DNA Polymerase
... • The authors predict that since the operatorrepressor relationship exists, that it must have conferred at some time a selective advantage • Other regions must have been under more functional constraint. Location of the operator did not infringe on coding regions or other operator sequences • T4 seq ...
... • The authors predict that since the operatorrepressor relationship exists, that it must have conferred at some time a selective advantage • Other regions must have been under more functional constraint. Location of the operator did not infringe on coding regions or other operator sequences • T4 seq ...
Lecture20_Translation
... The ribosome enhances the rate of peptide bond formation by properly positioning and orienting the substrates and/or excluding water from the active site rather than by chemical ...
... The ribosome enhances the rate of peptide bond formation by properly positioning and orienting the substrates and/or excluding water from the active site rather than by chemical ...
Biology and computers - Cal State LA
... protein you would hypothesize are most important to its function (which is/are the same in all 3 organisms). Start your paragraph as a hypothesis as to which parts are most important, and write your discussion as a defense of your hypothesis. Find out the chromosomal location of the gene that causes ...
... protein you would hypothesize are most important to its function (which is/are the same in all 3 organisms). Start your paragraph as a hypothesis as to which parts are most important, and write your discussion as a defense of your hypothesis. Find out the chromosomal location of the gene that causes ...
jan4
... Review of the Central Dogma (cont.) Eukaryotic genes are interrupted by introns (noncoding information). They must be removed from the RNA before translation in a process called “splicing.” exons introns ...
... Review of the Central Dogma (cont.) Eukaryotic genes are interrupted by introns (noncoding information). They must be removed from the RNA before translation in a process called “splicing.” exons introns ...
MS Word file
... Regulatory promoter A variety of different consensus sequences may be found in the regulatory promoters. Main difference between prokaryotes and eukaryotes is in assembly of ...
... Regulatory promoter A variety of different consensus sequences may be found in the regulatory promoters. Main difference between prokaryotes and eukaryotes is in assembly of ...
RNA Interference
... Mechanism of PKR-induced apoptosis (A) PKR activation regulates translational and transcriptional pathways resulting in the specific expression of selected proteins that triggered cell death by engaging with the caspase pathway. ...
... Mechanism of PKR-induced apoptosis (A) PKR activation regulates translational and transcriptional pathways resulting in the specific expression of selected proteins that triggered cell death by engaging with the caspase pathway. ...
Transcription, Translation, and Protein Study Guide What is the
... What is the Central Dogma of Biology? DNA>>RNA>>PROTEIN The Central Dogma of Biology is used to describe the “one gene-one protein” mechanism that allows for DNA to produce a code specific to an amino acid sequence needed for structural and functional proteins. This premise is losing some hold on bi ...
... What is the Central Dogma of Biology? DNA>>RNA>>PROTEIN The Central Dogma of Biology is used to describe the “one gene-one protein” mechanism that allows for DNA to produce a code specific to an amino acid sequence needed for structural and functional proteins. This premise is losing some hold on bi ...
11GeneExpr
... 3. The lac operon encodes genes required for lactose synthesis. 4. In general, DNA-binding proteins recognize sequences exposed in the minor groove. 5. Operons are common in prokaryotes but rare in eukaryotes. 6. RNAi would be described as ‘transcriptional control’ of gene expression. 7. Regulation ...
... 3. The lac operon encodes genes required for lactose synthesis. 4. In general, DNA-binding proteins recognize sequences exposed in the minor groove. 5. Operons are common in prokaryotes but rare in eukaryotes. 6. RNAi would be described as ‘transcriptional control’ of gene expression. 7. Regulation ...