Bacteria on Syringe

Think Back List the factors of all living things: Hint: (rhymes with FROMER)

An infectious particle made only of a ________________ or ________ surrounded by a ________________ and can only reproduce inside another living cell. Always cause infection on its host cell. _________________ microorganisms that reproduce by fission and can cause infection. ____________________ _____________________________________________ -Any __________________ or ___________________ that can cause an __________________________. -Also known as _________________________. LIVING THING PARTICLE INFECTIOUS DISEASE INFECTIOUS AGENT STRAND OF DNA RNA PROTEIN COAT ONE-CELLED PROKARYOTIC Virus video

1.PROTEIN COAT, (CAPSID) 2. CHROMOSOME-LIKE PART VIRION: Genetic material surrounded by the capsid. Size of virus

VACCINES - Use to help prevent organisms from becoming infected by a viruse * Injects dead virus into body * Exposes immune system to virus so it has the ability to recognize the virus and destroy it if it enters the body

Bioterror Substances made from __________________________. Introduce a ___________ into the ________________. Stimulate ___________ into action, Which create ________________ and a ______________ record of the pathogen. Give organisms ____________ to future infections of same ________________. DEAD OR WEAKENED PATHOGENS DISEASE BLOODSTREAM B-CELLS ANTIBODIES MEMORY IMMUNITY PATHOGEN

ANIMATION

LYTIC INFECTIONLYSOGENIC INFECTION

REGARDLESS OF HOW A VIRUS INFECTS, IT IS ALWAYS INFECTIOUS LYTIC INFECTION LYSOGENIC INFECTION

List five traits of viruses: 1.____________________________ 2.____________________________ 3.____________________________ 4.____________________________ 5.____________________________ Indicate if the statements below are TRUE or FALSE. If they are FALSE, make them TRUE by rewriting factual statements. 1.____________________Viruses cause disease only in humans 2.____________________ Each kind of virus infects many hosts. 3.____________________ The rabies virus will infect only the digestive system of mammals 4. ____________________ Cold sores are caused by a virus that remains active. 5. ____________________ Viruses are always larger than cells they infect. 6. ____________________ Viruses reproduce outside of living cells. 7. ____________________ Viruses do not change the hereditary material in the host cell. ___________ FALSE

1._________________________: a. __________ known ‘cold’ viruses’ b. _____________ as the move from one host to the next 2._________________________: a. Spreads quickly and causes ___________________ - ____________________ of an infection that affects many people b. _____________ of US population is infected with flu each year c. Has a high _________________ rate of surface proteins on capsids-________________________________ __________________________________ d. __________ influenza subtypes infect ______________ e. Other subtypes might infect _____________________________ THE COMMON COLD 200 MUTATE INFLUENZA EPIDEMICS RAPID OUTBREAK 20% Only 3HUMANS HORSES, PIGS, WHALES, SEALS MUTATION MAKING A NEED FOR NEW! VACCINES EVERY YEAR! FluFlu of 1918 How flu invades body

They are one of two __________________ ____________________________ They are _____________________. They contain __________________ ____________________: (300 could be in a line on the tip of your pencil, but they’re still larger than viruses) Found _____________________: (live in water, air, soil, food) Classified by ______________ Can be found as _______________, _____________, or _______________ _______________ Reproduce by _________________. Can be _______________________ MICROSCOPIC EVERYWHERE SHAPE SINGLE CELLS PAIRSCOLONIES PROKARYOTES GENETIC MATERIAL SINGLE-CELLED HELPFUL or HARMFUL (Having NO Nucleus) FISSION Bacteria Invading Cell Bacteria video

____________________ COCCI = ROUNDBACILLI = RODSPIRILLA = SPIRAL

1.______________________: 2.______________________: 3. ______________________: Parasites Saprophytes/ Decomposers Producers Feed off of a living host Use dead materials for food Contain chlorophyll and make their own food Streptococcus Pseudomonas Cay

Capsule No nucleus, (only one main chromosome) Cell Wall Cell Membrane Some have a capsule Cytoplasm Some have a flagellum cytoplasm Flagellum Chromosome Material Cytoplasm Capsule Cell Wall Cell Membrane Endospore If conditions were harsh, how would a bacterial cell survive? _________________________________________________________ What would you say is the most important part of the cell? ___________ DNA IT WOULD NEED PROTECTION AGAINST ELEMENTS

1.ENDOSPORE: _______________________________________ ____________________________________________________ ___________________________________________________. a. Bacterium copies its _________________________ b. Produces a _____________ around the copy 2. CAPSULE: __________________________________________ ____________________________________________________ A SPECIALIZED CELL WITH A THICK PROTECTIVE WALL FORMED WHEN CONDITIONS ARE UNFAVORABLE FOR A BACTERIA CELL chromosome wall ADAPTIVE STRUCTURE THAT SURROUNDS CELL TO PROTECT CELL AND ALLOW FOR IT TO ADHERE TO HOST Hunting the Nightmare Bacteria

Surrounds the entire cell and keeps it from drying out:___________ Whip-like structure: __________ Thick-walled structure that forms inside the cell enclosing DNA material: ___________ Allows material to pass in and out of bacteria cell: ___________ Helps the bacteria cell to ‘stick’ to food and other surfaces:___________ Forms when living conditions are not ideal for bacteria to live: __________ Gives the cell a basic shape: __________ Contains the traits of the bacteria cell: __________ Helps bacteria cell to move: __________ ENDOSPORE CELL WALL CHROMOSOME FLAGELLA CAPSULE CELL MEMBRANE FLAGELLA CAPSULE

1.______________________- first destroying bacteria by raising temperatures, and then storing them in airtight containers. 2._____________________-process of heating milk to kill harmful bacteria. 3._____________________-slows the growth of food by lowering their temperature. 4._____________________-removing the water from foods so that bacteria can’t live there. CANNING PASTEURIZTION COOLING/FREEZING DEHYDRATION

1.Key parts of animal ____________________________ a. Help animals ___________________ their food b. Produce __________________ for host animal c. Keep away ____________________________. DIGESTIVE SYSTEMS BREAK DOWN VITAMINS HARMFUL MICROBES

_________ __________ FERMENTS CHEMICALLY BREAK DOWN TEXTURES Bacteria helps, ______________________, (___________________________), many food products that people eat every day. This gives foods certain __________________ and _______________ FLAVORS __________ __________________ _________ __________________ SAURERKRAUT SOY PICKLES YOGURT SOUR VINEGAR SAUCE CREAM

More recently, bacteria have been used to benefit the _____________________. _________________________: Solving problems using living organisms. Use the internet to research the following topics to discover how bacteria is being used in the following areas: Pest Control Gas Insulin Detergents WARFARE ENVIRONMENT BIOTECHNOLOGY

Chemicals that ___________ or ________________ the growth of bacteria Work by stopping bacteria from making ___________________. Produced naturally by some species of ________________ and _________________. The can be used as medicine without damage since animal cells do not have ________________. Resistant bacteria KILL SLOW CELL WALLS BACTERIA FUNGI CELL WALLS

First Defense: _______________________ ______________________ Second Defense: _______________________ ______________________ Third Defense: _______________________ Body Coverings Cuts in Skin Mucous Membranes Body Openings IMMUNE SYSTEM White Blood Cells Antibodies Interferon Vaccines

Chemicals made by specialized ____________________ Help ____________ viruses and harmful bacterium May be ____________________ ____________ OR may be held captive until _______________ can surround and destroy it WHITE BLOOD CELLS DESTROY DESTROYED BY ANTIBODIES macrophage

BACTERIA REVIEW 1.What is a common trait amongst all bacteria, (Archea and Eubacteria)? 2.What is a deciphering factor when classifying Archea versus Eubacteria? 3.What are three common shapes of bacteria? 4.How can bacteria be found? (in what arrangement?) 5.Where can they be found? 6.How do they reproduce? 7.What conditions do they need to survive? 8.What do they obtain energy 9.What are communicable diseases? 10.Are bacteria harmful or helpful? ROUND, (coccus) ROD, (bacilli) SPRIAL, (sprilli) SINGLE PAIRS COLONIES EVERYWHERE FISSION: (one splits into two) DEPENDS ON THE KINGDOM OF BACTERIA… THEY ARE ALL PROKARYOTIC, (no nuclei) THE ENVIRONMENT IN WHICH THEY LIVE Eubacteria live under neutral conditions, while archaebacteria live under extremes SOME BACTERAI ARE PRODUCERES, OTHERS ARE CONSUMERS DISEASES CAUSED BY A PATHOGEN THAT IS SPREAD FROM DIRECT CONTACT WITH THE PATHOGEN SOME ARE HARMFUL, SOME ARE HELPFUL

1.What is a virus? 2.How is a virus different from a bacterium? 3.How do bacteria reproduce? 4.How do viruses reproduce? 5.Why can medicine be used to treat bacterial infections/disease? 6.Why can medicine not be used to treat viral infections/disease? 7.What things in the body destroy viruses? UNDERSTANDING THE DIFFERENCE BETWEEN VIRUSES AND BACTERIA?