Transcription lesson
... Each gene of double stranded DNA has a sense strand and an antisense strand. The sense strand contains the “instructions” for protein synthesis. On the sense strand is a nucleotide sequence (called a promoter sequence) where RNA polymerase can bind. (RNA polymerase makes RNA) ...
... Each gene of double stranded DNA has a sense strand and an antisense strand. The sense strand contains the “instructions” for protein synthesis. On the sense strand is a nucleotide sequence (called a promoter sequence) where RNA polymerase can bind. (RNA polymerase makes RNA) ...
Lecture 15 Biol302 Spring 2011
... How often is this site found in the genome? 1/45 Once every 1000 nucleotides 109 nucleotides or 106 times ...
... How often is this site found in the genome? 1/45 Once every 1000 nucleotides 109 nucleotides or 106 times ...
RNA interference was popularized by work in C
... RNA interference was popularized by work in C.elegans. When long double-stranded RNAs were injected into a worm’s gonad, a standard way of introducing transgenes into worms, they blocked the expression of endogenous genes in the sequence specific manner. In eukaryotes, most protein coding genes are ...
... RNA interference was popularized by work in C.elegans. When long double-stranded RNAs were injected into a worm’s gonad, a standard way of introducing transgenes into worms, they blocked the expression of endogenous genes in the sequence specific manner. In eukaryotes, most protein coding genes are ...
Document
... B.The promoter region determines which side of the gene will be transcribed. In a prokaryotic cell, the RNA polymerase attaches directly to the region, but in a eukaryotic cell there are transcription factors (proteins) which help facilitate the attachment of the RNA polymerase. C.Within the promote ...
... B.The promoter region determines which side of the gene will be transcribed. In a prokaryotic cell, the RNA polymerase attaches directly to the region, but in a eukaryotic cell there are transcription factors (proteins) which help facilitate the attachment of the RNA polymerase. C.Within the promote ...
Central Dogma WebQuest - Life Science
... 1. According to the central dogma, what three forms does information in genes take? ______________ → _______________ → _______________ 2. What is the basic building block of a protein? _______________________ 3. How many amino acids exist in humans? _______________________ 4. Name one amino acid. __ ...
... 1. According to the central dogma, what three forms does information in genes take? ______________ → _______________ → _______________ 2. What is the basic building block of a protein? _______________________ 3. How many amino acids exist in humans? _______________________ 4. Name one amino acid. __ ...
notes File - selu moodle
... Operons are multiple genes under the control of the same promoter 15.4 Eukaryotic Transcription Promoter - -10sequence is a TATA box More initiation factors involved Elongation occurs in the same fashion, but eukaryotes have multiple RNA polymerases RNA polymerase I – transcribes rRNA RNA polymerase ...
... Operons are multiple genes under the control of the same promoter 15.4 Eukaryotic Transcription Promoter - -10sequence is a TATA box More initiation factors involved Elongation occurs in the same fashion, but eukaryotes have multiple RNA polymerases RNA polymerase I – transcribes rRNA RNA polymerase ...
slides
... • EukaryoFc mRNAs require processing to produce mature mRNAs. – Introns (intervening sequences) are regions of the iniFal RNA transcript that are not expressed in the amino acid sequence of the protein. – ...
... • EukaryoFc mRNAs require processing to produce mature mRNAs. – Introns (intervening sequences) are regions of the iniFal RNA transcript that are not expressed in the amino acid sequence of the protein. – ...
MCDB 1030
... a) RNA-dependent DNA polymerase b) RNA-dependent RNA polymerase c) DNA-dependent DNA polymerase d) DNA-dependent RNA polymerase 5. Summarize the first, second, and third lines of defense against invading pathogens. 6. What is phagocytosis? Why is it important? 7. The complement system contributes to ...
... a) RNA-dependent DNA polymerase b) RNA-dependent RNA polymerase c) DNA-dependent DNA polymerase d) DNA-dependent RNA polymerase 5. Summarize the first, second, and third lines of defense against invading pathogens. 6. What is phagocytosis? Why is it important? 7. The complement system contributes to ...
Document
... The storage of genetic information in DNA, the use of an RNA intermediate that is read in three letter words, and the mechanism of protein synthesis are essentially the same in all ...
... The storage of genetic information in DNA, the use of an RNA intermediate that is read in three letter words, and the mechanism of protein synthesis are essentially the same in all ...
From Gene to Protein
... before promotor • Where transcription factors bind • The other strand becomes the template ...
... before promotor • Where transcription factors bind • The other strand becomes the template ...
Protein Synthesis - Manhasset Public Schools
... 3) mRNA strand leaves the DNA strand when a “stop codon” is reached 3) the mRNA strand carries the code for the production of one polypeptide (protein) to the ribosome ...
... 3) mRNA strand leaves the DNA strand when a “stop codon” is reached 3) the mRNA strand carries the code for the production of one polypeptide (protein) to the ribosome ...
Protein Synthesis
... • Proteins are made of specific sequences of these 20 amino acids • The sequence determines how the proteins twist and fold into a 3-D shape ...
... • Proteins are made of specific sequences of these 20 amino acids • The sequence determines how the proteins twist and fold into a 3-D shape ...
Regulation of gene expression: Eukaryotic
... Termination of Transcription in Prokaryotes • A specific nucleotide sequence acts as a termination signal, about 40 base pairs in length • Sometimes a special protein called termination factor, rho is required for termination • At termination, RNA dissociates from DNA and enzyme (RNA polymerase) fa ...
... Termination of Transcription in Prokaryotes • A specific nucleotide sequence acts as a termination signal, about 40 base pairs in length • Sometimes a special protein called termination factor, rho is required for termination • At termination, RNA dissociates from DNA and enzyme (RNA polymerase) fa ...
Ch 15 - .Gene Regulation
... allows differential protein expression dependent on specialized function of cell. ...
... allows differential protein expression dependent on specialized function of cell. ...
Document
... Small RNAs play multiple roles in controlling gene expression • Only about 1.5% of the human genome codes for proteins. (This is also true of many other multicellular eukaryotes.) • Another small fraction of DNA consists of genes for ribosomal RNA and transfer RNA. • A flood of recent data suggests ...
... Small RNAs play multiple roles in controlling gene expression • Only about 1.5% of the human genome codes for proteins. (This is also true of many other multicellular eukaryotes.) • Another small fraction of DNA consists of genes for ribosomal RNA and transfer RNA. • A flood of recent data suggests ...
Transcription
... Types Messenger (mRNA) Structure Single strand of RNA nucleotides complementary to a gene on the DNA coding strand. Purpose Carry protein-building instructions to ribosome. ...
... Types Messenger (mRNA) Structure Single strand of RNA nucleotides complementary to a gene on the DNA coding strand. Purpose Carry protein-building instructions to ribosome. ...
Science 103: Outline 17
... (iv) Ribosome moves one codon to the right. (v) A tRNA (plus amino acid) with the anticodon corresponding to the third codon binds and the first tRNA (empty) leaves. (v) The ribosomes move down the mRNA until they reach a stop codon. The ribosomes detach from the mRNA and the protein is released. 4. ...
... (iv) Ribosome moves one codon to the right. (v) A tRNA (plus amino acid) with the anticodon corresponding to the third codon binds and the first tRNA (empty) leaves. (v) The ribosomes move down the mRNA until they reach a stop codon. The ribosomes detach from the mRNA and the protein is released. 4. ...
Powerpoint
... GENE is a section of a DNA molecule that contains the information to code for one complete protein PROTEINS are made up of a chain of amino acids Proteins determine many of the traits in an organism ...
... GENE is a section of a DNA molecule that contains the information to code for one complete protein PROTEINS are made up of a chain of amino acids Proteins determine many of the traits in an organism ...
CS4030: Tutorial 1- Biological Issues (from Bioinformatics ch 1)
... (H) in DNA. Sketch the chemical structure of the deoxyribose sugar used by DNA in the ribose sugar used in RNA. 2. Diagram the ”Central Dogma” of molecular biology complete with labels that indicate the portions that correspond to transcription and translation and indicate what enzymes are responsib ...
... (H) in DNA. Sketch the chemical structure of the deoxyribose sugar used by DNA in the ribose sugar used in RNA. 2. Diagram the ”Central Dogma” of molecular biology complete with labels that indicate the portions that correspond to transcription and translation and indicate what enzymes are responsib ...
Transcription - smithlhhsb121
... The interaction of tRNA and mRNA takes place in a ribosome Consists of two protein subunits and ribosomal RNA (rRNA) Within the ribosome are three binding sites ◦ P site (peptidyl-tRNA site) where the tRNA holding the polypepetide chain ◦ A site (aminoacyl-tRNA site) where next tRNA in line is held ...
... The interaction of tRNA and mRNA takes place in a ribosome Consists of two protein subunits and ribosomal RNA (rRNA) Within the ribosome are three binding sites ◦ P site (peptidyl-tRNA site) where the tRNA holding the polypepetide chain ◦ A site (aminoacyl-tRNA site) where next tRNA in line is held ...
GENE REGULATION IN PROKARYOTES AND EUKARYOTES
... mRNA must be exported from the nucleus before it can be translated. This means that other factors being equal, protein synthesis in a prokaryote can be faster than in a eukaryote. It also means that the primary mRNA transcript can be processed before it is exported from the nucleus, with translation ...
... mRNA must be exported from the nucleus before it can be translated. This means that other factors being equal, protein synthesis in a prokaryote can be faster than in a eukaryote. It also means that the primary mRNA transcript can be processed before it is exported from the nucleus, with translation ...
Topic 7 The Discovery of DNA & Its Roles
... IIIC. Features of Gene Expression in Eukaryotes Transcription occurs in the ...
... IIIC. Features of Gene Expression in Eukaryotes Transcription occurs in the ...
Polyadenylation
Polyadenylation is the addition of a poly(A) tail to a messenger RNA The poly(A) tail consists of multiple adenosine monophosphates; in other words, it is a stretch of RNA that has only adenine bases. In eukaryotes, polyadenylation is part of the process that produces mature messenger RNA (mRNA) for translation. It, therefore, forms part of the larger process of gene expression.The process of polyadenylation begins as the transcription of a gene finishes, or terminates. The 3'-most segment of the newly made pre-mRNA is first cleaved off by a set of proteins; these proteins then synthesize the poly(A) tail at the RNA's 3' end. In some genes, these proteins may add a poly(A) tail at any one of several possible sites. Therefore, polyadenylation can produce more than one transcript from a single gene (alternative polyadenylation), similar to alternative splicing.The poly(A) tail is important for the nuclear export, translation, and stability of mRNA. The tail is shortened over time, and, when it is short enough, the mRNA is enzymatically degraded. However, in a few cell types, mRNAs with short poly(A) tails are stored for later activation by re-polyadenylation in the cytosol. In contrast, when polyadenylation occurs in bacteria, it promotes RNA degradation. This is also sometimes the case for eukaryotic non-coding RNAs.mRNA molecules in both prokaryotes and eukaryotes have polyadenylated 3'-ends, with the prokaryotic poly(A) tails generally shorter and less mRNA molecules polyadenylated.