SLG MOCK MIDTERM – FOR PRACTICE ONLY
... 1. Which of the following statements about Light Dependent Reactions is FALSE? a. Pheophytin is the primary electron acceptor in Photosystem II. b. Photosystem I has a reaction centre with an absorption peak of 680 nm. c. ...
... 1. Which of the following statements about Light Dependent Reactions is FALSE? a. Pheophytin is the primary electron acceptor in Photosystem II. b. Photosystem I has a reaction centre with an absorption peak of 680 nm. c. ...
lecture 6 genetic languages and mutations_RECAP
... non-template strand. mRNA: 5’– CCACUGAUAGACCUU –3’ ...
... non-template strand. mRNA: 5’– CCACUGAUAGACCUU –3’ ...
Evidence for determination of the blastoderm
... One way to look is to search for female-sterile (fs) mutations which arrest normal development at the earliest possible stages with major effects on development. Christiana Nusslein-Volhard and Eric Wieschaus – Nobel Winners in 1995! Cross to show a recessive female sterile mutation (fs) + / fs fema ...
... One way to look is to search for female-sterile (fs) mutations which arrest normal development at the earliest possible stages with major effects on development. Christiana Nusslein-Volhard and Eric Wieschaus – Nobel Winners in 1995! Cross to show a recessive female sterile mutation (fs) + / fs fema ...
fa458c46b7c1dda
... • After binding the mRNA, the small ribosomal subunit (including the initiator tRNA) scans along the transcript and begins translation at the first AUG • Nucleotides to either side of the start codon are involved in the recognition; e.g., a common start sequence is ACCAUGG, called a Kozak sequence • ...
... • After binding the mRNA, the small ribosomal subunit (including the initiator tRNA) scans along the transcript and begins translation at the first AUG • Nucleotides to either side of the start codon are involved in the recognition; e.g., a common start sequence is ACCAUGG, called a Kozak sequence • ...
HRB/MRCG 2011/7 Genome-wide DNA methylation analysis of
... Unique methylation changes were found in the brain of patients with TLE as well as according to pathology. An analysis of what the genes do found many to be involved in brain development and structure, neurotransmission, cell death and DNA transcription. We also identified methylation changes to wha ...
... Unique methylation changes were found in the brain of patients with TLE as well as according to pathology. An analysis of what the genes do found many to be involved in brain development and structure, neurotransmission, cell death and DNA transcription. We also identified methylation changes to wha ...
Chapter 2 Chemistry of nucleic acid
... •The diameter of the double helix：2 nm • The distance between two base pairs: 0.34 nm; • Each turn of the helix involves 10 bases pairs, 3.4 nm. Stable configuration can be maintained by hydrogen bond and base stacking force (hydrophobic interaction). ...
... •The diameter of the double helix：2 nm • The distance between two base pairs: 0.34 nm; • Each turn of the helix involves 10 bases pairs, 3.4 nm. Stable configuration can be maintained by hydrogen bond and base stacking force (hydrophobic interaction). ...
02. Molecular basis of heredity. Realization of hereditary information
... understanding the interactions between the various systems of a cell, including the interactions between DNA, RNA and protein biosynthesis and learning how these interactions are regulated. ...
... understanding the interactions between the various systems of a cell, including the interactions between DNA, RNA and protein biosynthesis and learning how these interactions are regulated. ...
Changes in Prokaryotic Transcription: Phage Lambda and Others
... T7, redirect the cell to become a factory for the production of new virus particles, resulting in the lysis of the cell. On the other hand, lambda can infect a cell, direct the integration of its genome into the DNA of the host, and reside there, replicating as a part of the chromosome, until such ...
... T7, redirect the cell to become a factory for the production of new virus particles, resulting in the lysis of the cell. On the other hand, lambda can infect a cell, direct the integration of its genome into the DNA of the host, and reside there, replicating as a part of the chromosome, until such ...
Lecture 27
... control site in the lac operon called an operator. • This prevents the RNA polymerase from initiating transcription. • If lactose is present, some of the lactose is converted to allolactose which binds to the lac repressor causing it to fall of the operator sequence. • This allows RNA polymerase to ...
... control site in the lac operon called an operator. • This prevents the RNA polymerase from initiating transcription. • If lactose is present, some of the lactose is converted to allolactose which binds to the lac repressor causing it to fall of the operator sequence. • This allows RNA polymerase to ...
You may not start to read the questions printed on the subsequent
... Making proteins requires substantial energy so the bacterial cell regulates the synthesis of certain proteins such that they are made only when needed. The tryptophan (Trp) operon (Fig. 1) consists of a set of genes that encode enzymes required to make the amino acid tryptophan. The Trp operon is a ...
... Making proteins requires substantial energy so the bacterial cell regulates the synthesis of certain proteins such that they are made only when needed. The tryptophan (Trp) operon (Fig. 1) consists of a set of genes that encode enzymes required to make the amino acid tryptophan. The Trp operon is a ...
“The function and synthesis of ribosomes.” Nature Reviews Mol Cell
... binding close to the pivot point of the head and sterically blocking its movement 28. Antibiotic-resistant mutations in r-protein S5 might reduce the stability of the head–body interaction, so that mobility is maintained even in the presence of the antibiotic. Paromomycin binds to a loop that is inv ...
... binding close to the pivot point of the head and sterically blocking its movement 28. Antibiotic-resistant mutations in r-protein S5 might reduce the stability of the head–body interaction, so that mobility is maintained even in the presence of the antibiotic. Paromomycin binds to a loop that is inv ...
Slide 1
... gene expression in response to environmental conditions In multicellular eukaryotes, gene expression regulates development and is responsible for differences in cell types RNA molecules play many roles in regulating gene expression in eukaryotes ...
... gene expression in response to environmental conditions In multicellular eukaryotes, gene expression regulates development and is responsible for differences in cell types RNA molecules play many roles in regulating gene expression in eukaryotes ...
ecify proteins via transcription and translation
... But a gene does not build a protein directly. The bridge between DNA and protein synthesis is the nucleic acid RNA. You learned in Chapter 5 that RNA is chemically similar to DNA, except that it contains ribose instead of deoxyribose as its sugar and has the nitrogenous base uracil rather than thymi ...
... But a gene does not build a protein directly. The bridge between DNA and protein synthesis is the nucleic acid RNA. You learned in Chapter 5 that RNA is chemically similar to DNA, except that it contains ribose instead of deoxyribose as its sugar and has the nitrogenous base uracil rather than thymi ...
Maternal effect genes
... concentration gradients of two transcription factors: Bicoid (BCD) and Hunchback (HB-M). These are products of two maternal effect genes their mRNAs provided by the mother and stored in the embryo until translation initiates. These factors interact to generate different patterns of gene expression a ...
... concentration gradients of two transcription factors: Bicoid (BCD) and Hunchback (HB-M). These are products of two maternal effect genes their mRNAs provided by the mother and stored in the embryo until translation initiates. These factors interact to generate different patterns of gene expression a ...
3D modelling activity
... x-ray crystallography. This is based on the scatter of x-rays by a pure crystal of the protein of interest. Unfortunately the process of generating x-ray crystallographic images of a molecule is very difficult. Some proteins have too many possible conformations (shapes) for them to crystallize prope ...
... x-ray crystallography. This is based on the scatter of x-rays by a pure crystal of the protein of interest. Unfortunately the process of generating x-ray crystallographic images of a molecule is very difficult. Some proteins have too many possible conformations (shapes) for them to crystallize prope ...
Document
... Env is translated from a separate mRNA that is generated by splicing. Each of the three protein products is processed by proteases to give multiple proteins. ...
... Env is translated from a separate mRNA that is generated by splicing. Each of the three protein products is processed by proteases to give multiple proteins. ...
DNA in Action! A 3D Swarm-based Model of a Gene Regulatory
... region, and produces proteins through the same action of RNA polymerase. The lacI protein product is known as a repressor, which has the ability to bind to the operator region and prevent RNA polymerase from reading the lacZ-Y-A genes. Hence, the repressor serves as the basic control mechanism for t ...
... region, and produces proteins through the same action of RNA polymerase. The lacI protein product is known as a repressor, which has the ability to bind to the operator region and prevent RNA polymerase from reading the lacZ-Y-A genes. Hence, the repressor serves as the basic control mechanism for t ...
Differential Gene Expression
... • Regulation of the trp and lac operons involves negative control of genes because operons are switched off by the active form of the repressor ...
... • Regulation of the trp and lac operons involves negative control of genes because operons are switched off by the active form of the repressor ...
Lecture 13
... or 5’ untranslated regions of the target gene. These results suggest that ihpRNA constructs will be effective in a wide range of circumstances, and augur well for the generic use of the technology. The silencing was much more profound with ihpRNA constructs than either anti-sense or co-suppression c ...
... or 5’ untranslated regions of the target gene. These results suggest that ihpRNA constructs will be effective in a wide range of circumstances, and augur well for the generic use of the technology. The silencing was much more profound with ihpRNA constructs than either anti-sense or co-suppression c ...
PowerPoint 簡報
... The transition from closed to open complex involves structural changes in the enzyme and the opening of the DNA double helix to reveal the template and nontemplate strands. In bacterial enzyme with σ70, this transition called isomerization, does not require energy from ATP hydrolysis. The active si ...
... The transition from closed to open complex involves structural changes in the enzyme and the opening of the DNA double helix to reveal the template and nontemplate strands. In bacterial enzyme with σ70, this transition called isomerization, does not require energy from ATP hydrolysis. The active si ...
Revision BIOC 432 LAB
... Ribose Sugar (5 carbon sugar) Phosphate group Adenine, Uracil, Cytosine, Guanine For RNA, nucleosides are formed similarly to DNA. Hairpin is a common secondary/tertiary structure. ...
... Ribose Sugar (5 carbon sugar) Phosphate group Adenine, Uracil, Cytosine, Guanine For RNA, nucleosides are formed similarly to DNA. Hairpin is a common secondary/tertiary structure. ...
Reverse genetics - From protein or RNA to gene Up until
... in E. coli. The cDNA is cloned into a bacterial gene, such as a fragment of lacZ, so that the lacZ translation start assures that the sequence will also be translated. The a cDNA library is expressed from a plasmid or λ vector so that each colony or plaque on a plate contains a different clone. A r ...
... in E. coli. The cDNA is cloned into a bacterial gene, such as a fragment of lacZ, so that the lacZ translation start assures that the sequence will also be translated. The a cDNA library is expressed from a plasmid or λ vector so that each colony or plaque on a plate contains a different clone. A r ...