Viruses and Bacteria (Grade 11 NSC Matric Life Sciences): Flashcards
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Practise the cards
10 cards from this deck
Capsid
Capsid
Protein shell surrounding virus genetic material
Obligate parasite
Obligate parasite
Organism that must live inside a host to complete life cycle
Bacteriophage
Bacteriophage
Virus that specifically attacks bacterial cells
Virus genetic material composition
Virus genetic material composition
Either DNA or RNA, but never both
Prokaryotic
Prokaryotic
Genetic material not enclosed in membrane-bound nucleus
Binary fission
Binary fission
Asexual reproduction: one cell divides into two identical cells
Endospore
Endospore
Protective structure bacteria form to survive harsh conditions
Coccus bacteria shape
Coccus bacteria shape
Round or spherical
Bacillus bacteria shape
Bacillus bacteria shape
Rod-shaped
Saprophytic bacteria role
Saprophytic bacteria role
Decomposers feeding on dead organic matter