molecular biology and genetics notes

molecular biology and genetics notes: Uncategorized
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whether the anomer is an alpha or beta. Mutations are the source of genetic change. prophase 1. i am imagination online plate from to help study this platform imaginetion create actuality. - DNA transcribed into RNA (mRNA) – necessary to express code. After centrifugation radioactivity in the supernatant (where the virus remained) versus the bacterial cells in the pellet was determined. 1) Smooth ER: Synthesis of membrane lipids, calcium storage, - Glycosaminoglycan attached to a protein. - Functions: - Carries out protein synthesis in 2 locations: The message of this transcribes strand will be faithfully copied in the mRNA transcript. In some cases extra copies o…, white blood cells can generate "extracellular traps" consistin…. are pulled more toward oxygen. Molecular Biology and Genetics in Modern Medicine.  Ribosomes Instead, it is a leader sequence that is transcribed into mRNA, but is not translated into amino acid. In prokaryotic and viral systems, the coding information within a gene normally is continuous. DNA now t…, They used virus to figure out that DNA was important, DNA is t…, took x-ray picture of DNA and showed that it has a circular he…, biochemicals and the biochemical processes that are found in l…, produced by living organisms but can also be artificially synt…, in the liver from excess amino acids using enzymes, web of all the enzyme-catalysed reactions in a cell... or organism, Hydrogen bonds in an anti-parallel direction, unlinked -OH group at the third carbon position on the sugar, CHON (Carbon, hydrogen, oxygen, nitrogen, and are main element…, Sulfur: found in 2 amino acids... Calcium: chemical messenger tha…, 2 or more elements combined in a fixed ratio, one atom strips valence electrons from another atom (high elec…, exceeding the standard or prescribed number of chromosomes in…, an antiviral used to treat cold sores, shingles, genital blist…, a chemical used to cause frameshift mutations in the DNA seque…, Chapter 9 (Lecture Notes) Molecular Biology, Because DNA replication in the leading strand is continuous, h…, the minimum amount of energy required to start a chemical reac…, a region on an enzyme that binds to a protein or other substan…, compound with an amino group on one end and a carboxyl group o…, (NH2), Amine, polar, basic, forms hydrogen bonds, present in a…, A section of DNA which codes for a particular protein (which c…, The sum total of all the genes in an organism, transmission of information through DNA, RNA, and proteins, DNA ↺ self-replication➜ transcription ➜ translation ➜ proteins, deoxyribose (sugar) bonded to both a phosphate group and a nit…, confirmed that DNA is the genetic material because only radiol…, DNA consists of two long chains of nucleotides twisted into a…, 5 carbon sugar(depxyribose sugar), phosphate group, nitrogenou…, a chemical bond of the kind joining successive sugar molecules…, Compounds found in living organisms that contain carbon, 1. This produces the codon 5’-AUG-3’, which in bacteria codes for N-formylmethionine, a specially modified amino acid used to initiate protein synthesis. Health Sciences and Technology water out of cells. Eukaryotic chromosomes are located in the nucleus; they vary in number from a few to hundreds: they can occur in pairs (diploid) or singles (haploid), and they are linear in format. For an organism to function properly and reproduce, its gene must be expressed at the appropriate time and place. - Also known as R-groups. - E.g. diffuse from the cell membrane to the interior of the cell. Discovered DNA is helical. - Hydrogen bonds are weak. - Contain enzymes. Here you can find and download all the biology lecture notes. - Components of the bacterial cell wall. In addition, it is now known that some eukaryotic gene encodes more than one protein. - Polymer of NAM (N-acetyl muramic acid) and NAG (N-acetyl glucosamine) You are also requested to visit our Molecular Biology PPT and Molecular Biology MCQ pages. Send to friends and colleagues. Detailed definitions and notes from chapter 4 based on the york custom edition biol 1000 book. preventing leakage of extracellular fluid. acids). cell from bursting in a hypotonic environment. It was then argued that proteins, is composed of 20 different amino acids would be a better candidate for this function. - Not part of the endomembrane system. Studying Sc/Biol 1000 Biology I - Cells, Molecular Biology and Genetics at York University? Choose from 500 different sets of notes genetics ib biology molecular flashcards on Quizlet. - Each gene is the DNA code for a particular protein. Lecture notes, lectures 1-33 (3 lectures per week) - full set of lecture notes for the course. Each deoxyribose sugar bonds covalently in a repeating pattern with two phosphates. Transformation of the non-virulent bacteria was blocked only if the DNA was destroyed, suggesting that DNA was carrying the information required for transformation. 3) Plasma membrane – phospholipid bilayer This characteristic is a significant factor in DNA synthesis and translation. bound together by small peptide bridges. required for life. Detailed definitions and notes from chapter 5 based on the york custom edition biol 1000 book. - Surrounded by 2 membranes.  DNA polymerase requires a primer (strand of short nucleic acid - Glyoxysomes in plants contain enzymes for converting fats to carbs. Note: All organisms contain more genes in their genotypes than are being seen as a phenotype at any given time. Golgi Apparatus  Types of Cells - Linear and unbranched. For the easy navigation, the topics were categorized into modules. every 3.4nm. The sum of all these types of genes constitutes an organism’s distinctive genetic makeup or genotype. - Common in the exoskeleton of insects and spiders. - Rigid and cross-linked. Instead, a terminator sequence is used to stop transcription by dislodging the RNA polymerase from the template DNA. Ribosomes Particles made of ribosomal RNA and protein (found … The remainder of the coding region consists of a sequence of codons that specifies the sequence of amino acids for that particular protein.

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