13 Temperate Viruses Also called lysogenic viruses are those that reproduce without killing their host cell.
14 Common Lysogenic Virus Herpes (genital and cold sore)Papilloma HPV (cervical cancer)RetrovirusHepatitis BChicken Pox
15 RetrovirusesRetroviruses use RNA instead of DNA as their nucleic acid core.also contain the enzyme reverse transcriptase
16 Retrovirus Examples HIV Rous sarcoma (first one discovered) Leukemia viruses
17 ViroidsViroids are naked circular RNA (no protein coat) molecules that are several hundred nucleotides long.Infect plants
18 Viroid Attack on Potatoes Used to make varieties in flowers
19 Prions a form of a normal protein that is not folded correctly. Cause degenerative brain disease
20 Mad Cow Disease BSE = bovine spongiform encephalitis It's ...BSE You TubeCan cause CJD in humans
21 CJDCreutzfeldt-Jakob disease (CJD) is a form of brain damage that leads to a rapid decrease of mental function and movement.You Tube The BSE Prion and Variant CJD
22 Vaccines“Harmless” variants or derivatives of pathogenic microbes that stimulate the immune system to make antibodies against the pathogen.
23 Edward Jenner First Vaccine (for smallpox) Gave cowpox to his son firstLots of people were getting smallpox
24 BACTERIAProkaryotesMost of its DNA is in a single chromosome
25 Bacteria Can Transfer DNA in 3 Ways 1. Transformation – uptake of foreign DNA from the surrounding environment2. Transduction – transfer of bacterial genes by a bacteriophage3. Conjugation – physical union of two bacterial cells as they “mate”