BIO 205 Sample Midterm Fall 2025

Flashcard
•
Biology
•
University
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Thin peptidoglycan in cell wall
Back
Gram negative bacteria have a thin layer of peptidoglycan in their cell wall, which is surrounded by an outer membrane.
2.
FLASHCARD QUESTION
Front
Ticks, fleas, lice, tapeworms
Back
These organisms are classified as parasites, which live on or in a host and benefit at the host's expense.
3.
FLASHCARD QUESTION
Front
pH where most bacteria that infect humans grow
Back
Most bacteria that infect humans thrive in a pH range of 6.5 to 7.5, which is close to neutral.
4.
FLASHCARD QUESTION
Front
Type of microorganism classified as a eukaryotic cell
Back
Fungi are classified as eukaryotic cells, which have a defined nucleus and organelles.
5.
FLASHCARD QUESTION
Front
Protective structure formed by some bacteria to survive harsh conditions
Back
An endospore is a protective structure formed by some bacteria, allowing them to survive extreme conditions.
6.
FLASHCARD QUESTION
Front
Definition of Gram positive bacteria
Back
Gram positive bacteria have a thick peptidoglycan layer in their cell wall and retain the crystal violet stain used in the Gram staining procedure.
7.
FLASHCARD QUESTION
Front
Role of biofilms in microbial communities
Back
Biofilms are structured communities of microorganisms that adhere to surfaces, providing protection and enhanced survival.
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