Posted 1/25/07 Mary Case
... Posted 1/25/07 How to use UV for mutagenesis Mary Case Background: One step in the discovery of genes and gene products involved in a biochemical function or a developmental process is to identify mutations that change a function or process. Ultraviolet light (UV) is a strong mutagen (in the wavelen ...
... Posted 1/25/07 How to use UV for mutagenesis Mary Case Background: One step in the discovery of genes and gene products involved in a biochemical function or a developmental process is to identify mutations that change a function or process. Ultraviolet light (UV) is a strong mutagen (in the wavelen ...
Gene Expression
... b. It has one circular DNA chromosome (4.6 million bp) constrained in loops (50-100) – called bacterial nucleoid c. At any one time, about 3% of genes are being transcribed. There are about 1000 genes in the chromosome d. How does the E. coli figure which genes to transcribe at any particular time? ...
... b. It has one circular DNA chromosome (4.6 million bp) constrained in loops (50-100) – called bacterial nucleoid c. At any one time, about 3% of genes are being transcribed. There are about 1000 genes in the chromosome d. How does the E. coli figure which genes to transcribe at any particular time? ...
HS-LS3 Heredity: Inheritance and Variation of Traits
... HS-LS3-2. Make and defend a claim based on evidence that inheritable genetic variations may result from: (1) new genetic combinations through meiosis, (2) viable errors occurring during replication, and/or (3) mutations caused by environmental factors. [Clarification Statement: Emphasis is on using ...
... HS-LS3-2. Make and defend a claim based on evidence that inheritable genetic variations may result from: (1) new genetic combinations through meiosis, (2) viable errors occurring during replication, and/or (3) mutations caused by environmental factors. [Clarification Statement: Emphasis is on using ...
Biochemistry - Austin Community College
... • Needs 4 electrons - single, double or triple bonds • This tetravalence makes large, complex molecules possible - can form long chains or rings ...
... • Needs 4 electrons - single, double or triple bonds • This tetravalence makes large, complex molecules possible - can form long chains or rings ...
Who are you? This question can be answered many ways…
... Individuals with Sickle Cell Anemia have oddly shaped red blood cells. – The shape of the mutated protein allows the cell to bind to itself, changing the cells shape. – The shape of the red blood cell doesn’t allow it to flow easily through the body, disabling the individual. ...
... Individuals with Sickle Cell Anemia have oddly shaped red blood cells. – The shape of the mutated protein allows the cell to bind to itself, changing the cells shape. – The shape of the red blood cell doesn’t allow it to flow easily through the body, disabling the individual. ...
BIO 1102 - Makerere University Courses
... Discuss the dynamics of molecular and population genetics. ...
... Discuss the dynamics of molecular and population genetics. ...
Chapter 10 Notes
... • Most recently, the one gene–one polypeptide hypothesis recognizes that some proteins are composed of multiple polypeptides. • Even this description is not entirely accurate, in that the RNA transcribed from some genes is not translated but nonetheless has important functions. • In addition, many e ...
... • Most recently, the one gene–one polypeptide hypothesis recognizes that some proteins are composed of multiple polypeptides. • Even this description is not entirely accurate, in that the RNA transcribed from some genes is not translated but nonetheless has important functions. • In addition, many e ...
Notes for Part B
... Crick and Watson made the connection between how proteins have a sequence of amino acids and the DNA has a sequence of nucleotides. They also knew that proteins are the major building blocks of cells and are involved in cell metabolism. Some examples of proteins include keratin, hemoglobin, enzymes, ...
... Crick and Watson made the connection between how proteins have a sequence of amino acids and the DNA has a sequence of nucleotides. They also knew that proteins are the major building blocks of cells and are involved in cell metabolism. Some examples of proteins include keratin, hemoglobin, enzymes, ...
Organic and Bio Chemistry 16
... 3. Nucleic acids are linear polymers of nucleotides - pyrimidine & purine bases linked to ribose or deoxyribose sugars (nucleosides) & bound to phosphate groups. The backbone of the nucleic acid consists of alternating phosphate & pentose units with a purine or pyrimidine base attached to each. a. N ...
... 3. Nucleic acids are linear polymers of nucleotides - pyrimidine & purine bases linked to ribose or deoxyribose sugars (nucleosides) & bound to phosphate groups. The backbone of the nucleic acid consists of alternating phosphate & pentose units with a purine or pyrimidine base attached to each. a. N ...
Final lecture
... • demethylase – An enzyme that removes a methyl group, typically from DNA, RNA, or protein. • de novo methyltransferase – An enzyme that adds a methyl group to an unmethylated target sequence on DNA. • Hemimethylated sites are converted to fully methylated sites by a maintenance methyltransferase. • ...
... • demethylase – An enzyme that removes a methyl group, typically from DNA, RNA, or protein. • de novo methyltransferase – An enzyme that adds a methyl group to an unmethylated target sequence on DNA. • Hemimethylated sites are converted to fully methylated sites by a maintenance methyltransferase. • ...
Chapter 9 .Metabolism of nucleotide
... the chemical essence, is the formation of phosphodiester bond . the enzyme catalyze this reaction , is DNA-pol Ⅲ in prokaryote cell , and DNA-polαδ in eukaryote cell . (1) DNA-pol δ : catalyze the formation of long new strand DNA or catalyze the continuous replication in leading strand . DNA-polα : ...
... the chemical essence, is the formation of phosphodiester bond . the enzyme catalyze this reaction , is DNA-pol Ⅲ in prokaryote cell , and DNA-polαδ in eukaryote cell . (1) DNA-pol δ : catalyze the formation of long new strand DNA or catalyze the continuous replication in leading strand . DNA-polα : ...
2.3 Carbon-Based Molecules KEY CONCEPT Carbon-based molecules are the foundation of life.
... • Proteins are polymers of amino acid monomers. – Twenty different amino acids are used to build proteins in organisms. – Amino acids differ in side groups, or R groups. – Amino acids are linked by peptide bonds. ...
... • Proteins are polymers of amino acid monomers. – Twenty different amino acids are used to build proteins in organisms. – Amino acids differ in side groups, or R groups. – Amino acids are linked by peptide bonds. ...
Biochemistry - Austin Community College
... • Needs 4 electrons - single, double or triple bonds • This tetravalence makes large, complex molecules possible - can form long chains or rings ...
... • Needs 4 electrons - single, double or triple bonds • This tetravalence makes large, complex molecules possible - can form long chains or rings ...
Slide 1
... Polymerase Chain Reaction (PCR) • Cloning a gene through genetic engineering can be time-consuming and requires an adequate DNA sample as starting material • PCR technique • PCR is useful in ...
... Polymerase Chain Reaction (PCR) • Cloning a gene through genetic engineering can be time-consuming and requires an adequate DNA sample as starting material • PCR technique • PCR is useful in ...
2nd Marking Period Quarterly Exam Study Outline The Quarterly will
... What are the building blocks of DNA? Name the three parts of a DNA nucleotide DNA contains the instructions that code for the production of which molecule? A binds to _______ and G binds to _______ What base is not found in DNA? What is the complimentary DNA strand to ATGTGGCTAC: ___________________ ...
... What are the building blocks of DNA? Name the three parts of a DNA nucleotide DNA contains the instructions that code for the production of which molecule? A binds to _______ and G binds to _______ What base is not found in DNA? What is the complimentary DNA strand to ATGTGGCTAC: ___________________ ...
Multi-copy suppressor screen
... Incorporation of the uracil analog into RNA instead of uracil is poisonous to the cell. If the URA3 enzyme is absent (and uracil is provided to the cells) 5-FOA is not poisonous. Thus there is “forward” selection for URA3 on YMD-uracil medium, and “counterselection” on YMD+5-FOA medium. This is also ...
... Incorporation of the uracil analog into RNA instead of uracil is poisonous to the cell. If the URA3 enzyme is absent (and uracil is provided to the cells) 5-FOA is not poisonous. Thus there is “forward” selection for URA3 on YMD-uracil medium, and “counterselection” on YMD+5-FOA medium. This is also ...
Lecture 4 - IISER Pune
... - amino acids and other complex molecules associated with life were present - 7–9% excess of four L-amino acids present - ElectromagneOc radiaOon emiIed in a corkscrew fashion from the poles of spinning neutron stars could lead to a bias of one mirror-image isomer over another when molecule ...
... - amino acids and other complex molecules associated with life were present - 7–9% excess of four L-amino acids present - ElectromagneOc radiaOon emiIed in a corkscrew fashion from the poles of spinning neutron stars could lead to a bias of one mirror-image isomer over another when molecule ...
26 120 515 Molecular Biology of Eukaryotes
... 120:515 Molecular Biology of Eukaryotes SCHEDULE AND COURSE OUTLINE: Dates listed by week; lectures will meet twice every week and recitation will meet every week, unless otherwise noted. Weekly dates of quizzes and due dates for written projects are listed, but please note there will be additional ...
... 120:515 Molecular Biology of Eukaryotes SCHEDULE AND COURSE OUTLINE: Dates listed by week; lectures will meet twice every week and recitation will meet every week, unless otherwise noted. Weekly dates of quizzes and due dates for written projects are listed, but please note there will be additional ...
Ch. 9-11 Review ppt.
... 12.5 The 3-D Structure of Proteins What type of attraction would exist between side chains of the following amino acids? a)Pro-His ...
... 12.5 The 3-D Structure of Proteins What type of attraction would exist between side chains of the following amino acids? a)Pro-His ...
Nucleic acid analogue
Nucleic acid analogues are compounds which are analogous (structurally similar) to naturally occurring RNA and DNA, used in medicine and in molecular biology research.Nucleic acids are chains of nucleotides, which are composed of three parts: a phosphate backbone, a pucker-shaped pentose sugar, either ribose or deoxyribose, and one of four nucleobases.An analogue may have any of these altered. Typically the analogue nucleobases confer, among other things, different base pairing and base stacking properties. Examples include universal bases, which can pair with all four canonical bases, and phosphate-sugar backbone analogues such as PNA, which affect the properties of the chain (PNA can even form a triple helix).Nucleic acid analogues are also called Xeno Nucleic Acid and represent one of the main pillars of xenobiology, the design of new-to-nature forms of life based on alternative biochemistries.Artificial nucleic acids include peptide nucleic acid (PNA), Morpholino and locked nucleic acid (LNA), as well as glycol nucleic acid (GNA) and threose nucleic acid (TNA). Each of these is distinguished from naturally occurring DNA or RNA by changes to the backbone of the molecule.In May 2014, researchers announced that they had successfully introduced two new artificial nucleotides into bacterial DNA, and by including individual artificial nucleotides in the culture media, were able to passage the bacteria 24 times; they did not create mRNA or proteins able to use the artificial nucleotides. The artificial nucleotides featured 2 fused aromatic rings.