Detailed Answers 2025.
Naked viruses - ANSWER- Have only a nucleocapsid and no envelope
Enveloped viruses - ANSWER- Have a bilayer outside their capsids, allowing them to
hide from hosts immune systems
Protists - ANSWER- Unicellular organisms that typically lack organelles
Halotolerant - ANSWER- Bacteria that grows robustly in low, moderate and high
concentrations of salt
Peptidoglycan - ANSWER- Molecule contained in the cell walls of gram-positive
organisms that plays a role in the attachment of bacteriophages
Gram negative periplasmic space - ANSWER- Distinguished
Endotoxins - ANSWER- Cause fever, inflammation, and even shock when they are
released from gram-negative bacteria
Pilus - ANSWER- Connects bacterial cells during the exchange of genetic material;
helps bacterial cells attach to host blood cells and causes clumping
Hypha - ANSWER- Fungal structure that can form long, extended filaments and can
regrow from fragments that have broken off allowing some fungi to survive and spread
disease readily within a single host
Urease - ANSWER- Produced by helicobacter pylori to survive in the extremely low pH
environment of the human stomach
Positive chemotaxis - ANSWER- Movement of a bacteria in the direction of increasing
concentration of an attractant and the net result is movement towards the attractant
Zygomycota - ANSWER- Bread mold - characteristically displays conjugation
Ascomycota - ANSWER- Sac fungi - characteristically produce asci and ascospores
during sexual reproduction
Basidiomycota - ANSWER- Club fungi - characteristically produce basidia and
basidiospores; examples include Amanita and other mushrooms