Infections by https://padlet.com/jodierose2000/s5bxpoe4snk6 By Jodie and Chelsea en-us 2016-09-16 10:04:28 UTC 2026-02-19 02:09:27 UTC hello@padlet.com Viruses  jodierose2000 https://padlet.com/jodierose2000/s5bxpoe4snk6/wish/124287852 Life cycle
1. Attachment - a specific binding between viral surface proteins and their receptors (cells)
2. penetration - virus enters host cell
3. uncoating - viral capsid is degraded by viral enzymes or host enzymes
4. replication - assembly of viral proteins and genetic material produced in host cell (create more of the virus)
5. release - viruses escape from host cell by causing cell rupture. viruses typically 'bud' from the host cell

Structure
made up of: 
core - genetic material, either DNA or RNA 
surrounded by - protective coat called capsid which is made of protein
sometimes surrounded by - an additional spiky coat called envelope

Examples of diseases that the virus can cause:
HPV (warts)
MMR
Influenza virus 
Hepatitis A,B +C
Polio 

]]> 2016-09-16 10:08:16 UTC https://padlet.com/jodierose2000/s5bxpoe4snk6/wish/124287852 Bacteria  jodierose2000 https://padlet.com/jodierose2000/s5bxpoe4snk6/wish/124292839 Life cycle
1. Binary fission - method of asexual reproduction in bacteria
2. Sporulation - development of asexual spores
3. Genetic recombination -  a donor bacterium transfers a small segment of DNA to the recipient bacterium
Examples of diseases that bacteria can cause:
Food poisoning
meningitis
boils
cellulitis
pneumonia
ear infections ]]> 2016-09-16 10:41:45 UTC https://padlet.com/jodierose2000/s5bxpoe4snk6/wish/124292839 Structure of a Bacteri jodierose2000 https://padlet.com/jodierose2000/s5bxpoe4snk6/wish/125362848 2016-09-21 12:23:05 UTC https://padlet.com/jodierose2000/s5bxpoe4snk6/wish/125362848 Fungi jodierose2000 https://padlet.com/jodierose2000/s5bxpoe4snk6/wish/125363344 Life cycle
1. Universal veil -  starts life as an egg
2. Emerging cap
3.  Partial veil -  fungi comes out from its egg shell almost complete
4. Ring - visible part of partial veil under the hooded part of fungi
Structure
Main body - fine, colourless threads called hyphae
These create a tangled web called the mycelium
Examples of diseases that fungi can cause:
Athlete's foot
Valley Fever
Ring worm ]]> 2016-09-21 12:24:51 UTC https://padlet.com/jodierose2000/s5bxpoe4snk6/wish/125363344 Protozoa jodierose2000 https://padlet.com/jodierose2000/s5bxpoe4snk6/wish/125369482 Life cycle
1. Trophozoite - active feeding
2.Early cyst wall formation
3. mature cyst - dormant resting stage
4. cyst wall breaks open
Structure
cytoplasm
vacuole
food vacuole
nucleus
cell membrane
Examples of diseases that Protozoa can cause:
Malaria 
Babesiosis - carried by ticks 
African sleeping sickness 


]]> 2016-09-21 12:43:09 UTC https://padlet.com/jodierose2000/s5bxpoe4snk6/wish/125369482