Exam 1: BIOS 242 / BIOS242 Review (Latest 2024/ 2025 Update) Fundamentals of Microbiology with Lab| Questions and Verified Answers| 100% Correct| Grade A- Chamberlain

Exam 1: BIOS 242 / BIOS242 Review (Latest 2024/ 2025 Update)
Fundamentals of Microbiology with Lab| Questions and Verified
Answers| 100% Correct| Grade A- Chamberlain


DNA is replicated in the
nucleus
RNA is replicated in the
cytoplasm
What is the first step in viral replication?
Penetration/adhesion (attaches to membrane using spikes)
What is the second step in viral replication?
Uncoating
What is the third step in viral replication?
Replication
What is the fourth step in viral replication?
Assembly
What is the fifth step in viral replication?
Maturation
What is the sixth step in viral replication?
Release (releases the protein that has the viral components so it
infects more cells)
What are the four types of archaea?
Methanogens, hyperthermophile, psychrophile, halophiles

, What are characteristics of a methanogen?
CO₂ with methane
Where are methanogens found?
Swamps, landfill
What are characteristics of a hyperthermophile?
Loves high temperature
Where are hyperthermophiles found?
Volcano
What are characteristics of a psychrophile?
Survives in cold temperatures
Where are psychrophiles found?
Ice caps
What are characteristics of a halophile?
Survives in salt environments
Where are halophiles found?
Salt lake
This type of archaea live in swamps and marshes and produce
methane, what is it?
Methanogen
This type of archaea requires hot, acidic environments
Hyperthermophile
During a gram stain, the presence of peptidoglycan gives a purple
stain
Gram-positive bacteria retain the crystal violet stain due to thick
peptidoglycan.