Bacteria & Microbial Life
Curated Microbiology deck. Add it to your library and study with spaced repetition.
Study this deck free in PlanexAI
Add it in one tap and PlanexAI schedules every card with spaced repetition around your real classes and exams.
Start studying freeSample cards
Are bacteria prokaryotic or eukaryotic?
Prokaryotic: they lack a membrane-bound nucleus.
What are the three main bacterial shapes?
Cocci (spheres), bacilli (rods), and spirilla (spirals).
What molecule makes up the bacterial cell wall?
Peptidoglycan.
What does the Gram stain distinguish?
Gram-positive (thick peptidoglycan, purple) from Gram-negative (thin wall plus outer membrane, pink) bacteria.
How do most bacteria reproduce?
By binary fission, an asexual split into two identical cells.
What is a bacterial endospore?
A dormant, tough structure some bacteria form to survive harsh conditions.
What is a plasmid?
A small circular DNA molecule separate from the chromosome, often carrying extra genes.
What is conjugation in bacteria?
Transfer of DNA (often a plasmid) between cells through direct contact.
Plus 8 more cards in the app.