Solutions for Practice Problems for Molecular Biology, Session 3
... f) A mutation occurs which results in the insertion of an extra G/C (top strand/bottom strand) base- pair immediately after base pair 11 (shown in bold). What effect will this insertion mutation have on the mRNA transcript and resulting protein? The mRNA will be longer by one nucleotide, but because ...
... f) A mutation occurs which results in the insertion of an extra G/C (top strand/bottom strand) base- pair immediately after base pair 11 (shown in bold). What effect will this insertion mutation have on the mRNA transcript and resulting protein? The mRNA will be longer by one nucleotide, but because ...
RNA Viruses
... RNA Viruses • All synthesize through a double stranded intermediate - RI replication intermediate • RNA dependent RNA polymerase of viral origin but may need host factors • Termini contain recognition signals for replicase ...
... RNA Viruses • All synthesize through a double stranded intermediate - RI replication intermediate • RNA dependent RNA polymerase of viral origin but may need host factors • Termini contain recognition signals for replicase ...
Overview: The Flow of Genetic Information • The information content
... Elongation of the RNA Strand • As RNA polymerase moves along the DNA, it untwists the double helix, 10 to 20 bases at a time • Transcription progresses at a rate of 40 nucleotides per second in eukaryotes • A gene can be transcribed simultaneously by several RNA polymerases • Nucleotides are added t ...
... Elongation of the RNA Strand • As RNA polymerase moves along the DNA, it untwists the double helix, 10 to 20 bases at a time • Transcription progresses at a rate of 40 nucleotides per second in eukaryotes • A gene can be transcribed simultaneously by several RNA polymerases • Nucleotides are added t ...
Ch. 17 Protein Synthesis
... mRNA (messenger RNA) brings DNA message out of nucleus to the cytoplasm Each 3 bases on mRNA is a “codon” tRNA (transfer RNA) –The anticodon that matches with the codon from mRNA to determine which amino acid joins the protein ...
... mRNA (messenger RNA) brings DNA message out of nucleus to the cytoplasm Each 3 bases on mRNA is a “codon” tRNA (transfer RNA) –The anticodon that matches with the codon from mRNA to determine which amino acid joins the protein ...
Bio102 Problems
... E. that there will be no effect on gene expression. 12. A tRNA has an anticodon sequence of 5’ GAU 3’. What amino acid should be attached to this tRNA? Ile ...
... E. that there will be no effect on gene expression. 12. A tRNA has an anticodon sequence of 5’ GAU 3’. What amino acid should be attached to this tRNA? Ile ...
MOPAC: Motif-finding by Preprocessing and Agglomerative
... • Problem: can cluster genes based on response pattern, but then what? – not all genes in cluster are regulated the same way ...
... • Problem: can cluster genes based on response pattern, but then what? – not all genes in cluster are regulated the same way ...
Review-Qs-for-modern-genetics
... 1. The main enzyme involved in DNA replication is RNA polymerase. FALSE – DNA polymerase. 2. To determine the amino acid, look up the three base anticodon on the genetic dictionary FALSE – codon. 3. Ligase joins DNA fragments of the lagging strand. TRUE 4. DNA polymerase lengthens the new strands fr ...
... 1. The main enzyme involved in DNA replication is RNA polymerase. FALSE – DNA polymerase. 2. To determine the amino acid, look up the three base anticodon on the genetic dictionary FALSE – codon. 3. Ligase joins DNA fragments of the lagging strand. TRUE 4. DNA polymerase lengthens the new strands fr ...
Reading Guide
... 7. What is the major structural difference between a nucleotide and a deoxynucleotide? What is the major structural difference between DNA and RNA? What is the major functional difference between DNA and RNA? 8. True or false: GC rich DNA strands are harder to separate because GC pairs form more Hbo ...
... 7. What is the major structural difference between a nucleotide and a deoxynucleotide? What is the major structural difference between DNA and RNA? What is the major functional difference between DNA and RNA? 8. True or false: GC rich DNA strands are harder to separate because GC pairs form more Hbo ...
RNA Interference
... Production of transgenic animals Deletion of gene from genome Gene targeting RNA interference ...
... Production of transgenic animals Deletion of gene from genome Gene targeting RNA interference ...
Gene Section SRSF3 (serine/arginine rich splicing factor 3) -
... alternative RNA polyadenylation, and protein translation. SRSF3 is required for embryonic development and cell cycle progression. SRSF3 at increased expression is tumorigenic and is required for tumor initiation, progression, and maintenance. Alternative splicing of pre-mRNA SRSF3 controls viral ear ...
... alternative RNA polyadenylation, and protein translation. SRSF3 is required for embryonic development and cell cycle progression. SRSF3 at increased expression is tumorigenic and is required for tumor initiation, progression, and maintenance. Alternative splicing of pre-mRNA SRSF3 controls viral ear ...
DNA and Proteins
... 8. tRNA then goes and finds the corresponding Amino Acid and brings them to the ribosome to be synthesized into protein. 9. The process of converting codons into anticodons and then amino acids is called Translation. More specifically, the mRNA creates codes for the proteins from DNA. These codes oc ...
... 8. tRNA then goes and finds the corresponding Amino Acid and brings them to the ribosome to be synthesized into protein. 9. The process of converting codons into anticodons and then amino acids is called Translation. More specifically, the mRNA creates codes for the proteins from DNA. These codes oc ...
Prokaryotic Gene Expression
... Control of Transcription in Viruses • Viruses also have gene regulation mechanisms. • Bacteriophage is a temperate phage, meaning that it can undergo either a lytic or a lysogenic cycle. • When host bacteria are growing in rich medium, the prophage remains lysogenic; when the host is less healthy ...
... Control of Transcription in Viruses • Viruses also have gene regulation mechanisms. • Bacteriophage is a temperate phage, meaning that it can undergo either a lytic or a lysogenic cycle. • When host bacteria are growing in rich medium, the prophage remains lysogenic; when the host is less healthy ...
CHAPTER 13 Frontiers of Genetics
... sequences, is called an operon. One control sequence, the promoter, is a binding site for an enzyme needed in DNA transcription. The other control sequence, the operator, switches the promoter on and off. A protein called the repressor turns the operator off by binding to it. This process enables pr ...
... sequences, is called an operon. One control sequence, the promoter, is a binding site for an enzyme needed in DNA transcription. The other control sequence, the operator, switches the promoter on and off. A protein called the repressor turns the operator off by binding to it. This process enables pr ...
energy currency for cell - Hermantown Community Schools
... • The structure of the R group makes the amino acids different from each other. • The R groups between the different amino acids help create the proteins shape. • Folds and bonds form creating distinct protein shapes ...
... • The structure of the R group makes the amino acids different from each other. • The R groups between the different amino acids help create the proteins shape. • Folds and bonds form creating distinct protein shapes ...
Protein Synthesis
... mRNA: A U G C C U C A C G A G C G U G C G C U A U G A Codons and anticodons consist of 3 nucleotides. How many codons are on the above mRNA strand? 8 Now mRNA can take it’s copy of the DNA code to the ribosome ...
... mRNA: A U G C C U C A C G A G C G U G C G C U A U G A Codons and anticodons consist of 3 nucleotides. How many codons are on the above mRNA strand? 8 Now mRNA can take it’s copy of the DNA code to the ribosome ...
Prokaryotic Gene Expression (Learning Objectives)
... molecular components of their regulation: operon, structural genes, promoter, operator, repressor and corepressor, inducer, activator, and activator binding site. 4. Compare and contrast the molecular mechanism (on/off switches) controlling expression of repressible and inducible operons. ...
... molecular components of their regulation: operon, structural genes, promoter, operator, repressor and corepressor, inducer, activator, and activator binding site. 4. Compare and contrast the molecular mechanism (on/off switches) controlling expression of repressible and inducible operons. ...
Protein synthesis
... Go back to the first page of the DNA Workshop. Click on the DNA Workshop Activity, then click on protein synthesis. 5. How long can an mRNA sequence be for real? ...
... Go back to the first page of the DNA Workshop. Click on the DNA Workshop Activity, then click on protein synthesis. 5. How long can an mRNA sequence be for real? ...
GENE EXPRESSION: CONTROL IN BACTERIA AND PHAGES
... 8. The repressor favors lysogeny and represses lysis; therefore, a phage that enters an E. coli cell containing high concentrations of the repressor will likely undergo lysogeny. The cro gene product favors lysis and represses lysogeny, so if the same phage enters an E. coli cell containing hi ...
... 8. The repressor favors lysogeny and represses lysis; therefore, a phage that enters an E. coli cell containing high concentrations of the repressor will likely undergo lysogeny. The cro gene product favors lysis and represses lysogeny, so if the same phage enters an E. coli cell containing hi ...
RNA and Protein Synthesis
... 1. What does RNA stand for? Ribonucleic Acid 2. What is the sugar in RNA? Ribose 3. What are the three parts of an RNA nucleotide? Nitrogen base, 5-Carbon Sugar, and Phosphate Group 4. What are the three differences between RNA and DNA? The Sugars, (Ribose vs. Deoxyribose,) the nitrogen bases, (U vs ...
... 1. What does RNA stand for? Ribonucleic Acid 2. What is the sugar in RNA? Ribose 3. What are the three parts of an RNA nucleotide? Nitrogen base, 5-Carbon Sugar, and Phosphate Group 4. What are the three differences between RNA and DNA? The Sugars, (Ribose vs. Deoxyribose,) the nitrogen bases, (U vs ...
PROTEIN SYNTHESIS AND PROCESSING Protein biosynthesis is
... of two main chains of RNA, called ribosomal RNA (rRNA), and more than 50 different proteins. The ribosome latches onto the end of an mRNA molecule and moves along it, capturing loaded tRNA molecules and joining together their amino acids to form a new protein chain. ...
... of two main chains of RNA, called ribosomal RNA (rRNA), and more than 50 different proteins. The ribosome latches onto the end of an mRNA molecule and moves along it, capturing loaded tRNA molecules and joining together their amino acids to form a new protein chain. ...
Vocabulary “Inside the Cell”, Chapters 1 and 2
... mRNA serves as a template to make a single type of protein. ...
... mRNA serves as a template to make a single type of protein. ...
1 Cell biology
... Flagellum a relatively long extension of the cell used in locomotion. Golgi body a eukaryotic organelle that modifies proteins after translation. Histone a protein associated with DNA that plays a role in gene expression and the packing of DNA. Lysosome a cellular organelle involved in cellular dige ...
... Flagellum a relatively long extension of the cell used in locomotion. Golgi body a eukaryotic organelle that modifies proteins after translation. Histone a protein associated with DNA that plays a role in gene expression and the packing of DNA. Lysosome a cellular organelle involved in cellular dige ...
RNA and Protein synthesis
... specific DNA sequences, thereby controlling the of genetic information from DNA to mRNA. Transcription factors perform this function alone or with other proteins in a complex, by promoting (as an activator), or blocking (as a repressor) the recruitment of RNA polymerase. • -Upregulation, activation, ...
... specific DNA sequences, thereby controlling the of genetic information from DNA to mRNA. Transcription factors perform this function alone or with other proteins in a complex, by promoting (as an activator), or blocking (as a repressor) the recruitment of RNA polymerase. • -Upregulation, activation, ...
DNA AND PROTEIN SYNTHESIS
... Composed of nucleotides, but differs from DNA in three ways. 1. Single strand of nucleotides instead of double stranded 2. Has uracil instead of thymine 3. Contains ribose instead of deoxyribose ...
... Composed of nucleotides, but differs from DNA in three ways. 1. Single strand of nucleotides instead of double stranded 2. Has uracil instead of thymine 3. Contains ribose instead of deoxyribose ...