Genetics Lecture Online FInal Exam
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44 terms
Terms | Definitions |
|---|---|
 Antisense RNA | Blocks translation by binding mRNA |
| Nucleotides | Sugar, Base, Phosphate |
| Cosmid | Virus |
| Ti Plasmid | Plants |
| BAC | Up to 1000kb |
| Northern Blotting | RNA transferred from a gel to a solid support |
| Southern Blotting | DNA from gel to medium |
| Western Blotting | ...transfer of protein from a gel to a membrane. probe used is usually an antibody |
| When homologous chromosomes and sister chromatids separate in meiosis | Meiosis I |
| RB protein | Prevents cell from passing G1-S transition |
| chromosome structure | Centromere. Pair of telomeres. Ori |
| Centromere | Attachment point for spindle microtubules |
| Telomeres | Tips of a linear chromosome. protect and stabilize chrom ends. |
| Separation of sister chromatids | Anaphase II |
| Separation of homolgous chromatids | Anaphase I |
| Nucleotides consist of | Sugar Phosphage Base |
| Robert Hooke | Discovered cell |
| Grew | Plants reproduce sexually |
| Brown | Described cell nucleus |
| Sheldon and Schwann | Cell theory |
| Flemming | Division of chromosomes in mitosis |
| Weismann | Germ plant theory |
| Sulton | Genes on chromosome |
| Meiosis II | Separation of sister chromatids |
| Number of Telomeres | 2 per DNA molecule |
| Kolreuter | Crosses and pollinations |
| Manifestation or appearance of a characteristic | Phenotype |
| Henking | Discovered X body |
| McClung | Recognized X body in grasshoppers was a chromosome |
| Alternative forms of a gene | Allele |
| Sigma factor binds | Polymerase to the promoter |
| Discontinuous characteristics | Few easily distinguished phenotypes |
| Causes of Aneuploidy | Deletion of centromere. Robertsonian translocation Nondisjunction |
| Effects of Aneuploidy in humans | Turner syndrome (XO) Klinefelter syndrome (XXY) |
| When the complementary sequences are contiguous, the hairpin | Has a stem but no loop |
| Topoisomerase function | Adding or removing rotations from DNA by nicking the strand unwinding and then rejoining |
| Know what the Ras pathway does | Growth and stimulating factors to stimulate cell cycle |
| Polypeptide | Amino acids in proteins joined together by peptide bonds |
| Sense codon | Code for amino acid |
| Isoaccepting tRNA | Different tRNAs that bind same amino acid but have different anticodons |
| Aminoacyl-tRNA synthetase | Attaches a specific amino acid to a tRNA |
| RecA protein | Single strand to invade DNA helix and displace 1 strand |
| Transition | A replaces G |
| Transversion | A replaces T |
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