Acellular & cellular microbes WK3 L4 Flashcards
(45 cards)
WHAT IS MICROBIOLOGY?
REFERS TO ANY WHOLE ORGANISIM WHICH IS NOT VISIBLE TO ANKED EYE
ARE ORGANISIMS LIVING OR NON LIVING
BOTH
WHERE ARE MICRO-ORGANISIMS?
UBIQUITOS
EVERYWHERE
WHAT ARE THE FUNCTIONS OF MICRO ORGANISIMS?
DECOMPOSITION - ANTIBIOTIC PRODUCTION - FOOD PRODUCTION - GENETIC ENGINEERING
WHAT ARE THE CATEGORIES OF MICROBES?
ACCELULAR - CELLULAR
WHAT ARE ACELLULAR MICROBES?
INFECTIOUS PARTICLES WHICH NEED TO ENTER A CELL HOST - ARE NOT ALIVE - CAN NOT REPRODUCE
WHAT ARE THE TYPES OF ACELLULAR MICROBES?
VIRODS - VIRUSES - PRISONS
WHAR ARE VIRODS?
INFECTIOUS PARTICLES CONSISTING OF SHORT PIECES OR RNA THAT INTERFERES WITH PLANT CELLS
WHAT ARE PRIONS?
INFECTIOUS PARTICLES CONSISTING OF SMALL PROTEINS THAT CAUSE NEUROLOGICAL CONDITIONS IN HUMANS AND ANIMALS
WHAT ARE VIRUSES?
A SECTION OF DNA OR RNA WITH. PROTEIN COAT
WHAT CAN VIRUSES INFECT?
ALL TYPES OF ORGANISIMS
WHAT ARE CELLULAR MICROBES?
LIVING MICROBES
WHAT ARE THE TYPES OF CELLULAR MICROBES?
PROKARYOTES - EUKARYOTES
WHAT ARE PROKARYOTES?
BACTERIA - ARCHAEA
WHAT ARE EUKARYOTES?
ALGAE - FUNGI - YEAST - PROTOZA
WHAT IS A GRAM STAIN?
TEST USED TO STAIN BACTERIA T DETERMINE ITS TYPE
WHAT IS GRAM POSITIVE?
THICK LAYER OF PEPTIDOGLYCAN ON OUTSIDE SURFACE OF CELL THAT STAINS PURPLE
WHAT IS GRAM NEGATIVE?
THIN LAYER OF PEPTIDOGLYCAN SANDWICHED BETWEEN LAYERS OF COMPLEX MOLECULES - NO STAIN
HOW DO BACTERIUM BUILD A RESITATNCE?
BY EXCHANGING PLASMINDS RESULTING IN MULTI DRUG RESISTANT STRAINS OF BACTERIUM
DO SOME BACTERIA PRODUCE ENDOSPORES?
YES
WHAT ARE ENDOSPORES?
THICK WALLED STRUCTURES THAT CONTAIN A COPY OF THE CHROMOSONE CYTOPLASAM
WHAT DO ENDOSPORES DO?
ALLOW BACTERIA TO TO SURVIVE IN ADVERSE ENVIRONMENTS
HOW DO ENDOSPORES WORK?
WHEN THEY LAND IN A SUITABLE ENVIRONMENT THEY GERMINATE TO PRODUCE NEW BACTERIUM
WHAT IS ALGAE?
PHOTOSYNTHETIC EUKARYOTIC ORGANISIMS