Scientist 🥼 🔭 And Their Discoveries Flashcards
Bacteria ( microorganisms )
Antony wen Leeuwenhoek ( 1673 )
Discover bacteria 🦠 in rain water 💦
Called these small creatures “ Animalcules “
Germ theory of disease 🦟
Robert Koch
Louis pasteur
Vaccine against rabies ( hydrophobia ) / anthrax / fowl cholera
Who used the term vaccine for the first time ?
Louis pasteur
TMV were called as filterable virus by :
Iwanosky ( 1892 )
Who crystallized TMV ( infectious particle )
Stanley ( 1935 )
Modern system of naming species dates from ?
Linnaeus
In homosapiens , first name is the ?
Generic name
2nd name — specie
Five kingdom system was given by ?
American biologist ( Robert H.whittaker )
Bacteriophage are ??
Tadpole shaped
DNA ( genome)
Herpes virus are of shape ?
Icosahedral ( with 20 faeces )
Rhabdo virus are of shape ?
Bullet 🚅 shaped
Retro virus are ?
Spherical shaped
Paramyxovirus are ?
Button 🔘 shaped virus
Size of electron microscope 🔬
10000000 mU ( millimicron )
Whittaker classification was based on ?
2 _ criteria
∆ Cellular organization ( 3-levels)
- prokaryote
- Eukaryotes
# Unicellular
# Multicellular
∆ Mode of nutrition
-Heterotroph
-Autotroph
#ingestive
#absorptive
The inner core of virus is made up of :
Nucleic acid ( DNA / RNA )
Various protein ( enzyme)
The coat or outer covering of virus is made up of ?
🌟Capsid ✔️ ( compulsory in all )
🌟Envelope ✉️ ( not in all )
What are capsomeres
Repetition of protein subunits of capsid
Define Envelope?
Additional covering made up of host cell ( phospholipid)
How many capsomeres are present in :
@polio virus
@ herpes virus
@Adenovirus
Polio V : 32 capsomeres
Herpes V : 162 capsomere
Adeno V : 252 capsomeres
