10/3/2024 9:54 PM
Lecture 1 - Microbiology - Chapter 1 in
Brock Biology Exam Questions With Correct
Answers
3 domains of life - answer✔Bacteria, Archaea, Eukarya
Definition of microorganism - answer✔small organism
Tools for studying microorganisms - answer✔microscopes, cultures, media, growth of visible
colonies
what is a culture - answer✔cells grown in/on nutrient medium
what is a medium - answer✔liquid/solid mixture containing all required nutrients
define cell - answer✔living compartment that interacts with the environment and other cells
plasma membrane function - answer✔controls what comes in and out of the cell
Ribosome(function) - answer✔Site where proteins are made
Cytoplasm consists of... - answer✔cytosol, organelles, cytoskeleton
Prokaryotes vs. Eukaryotes - answer✔- Prokaryotes have no nucleus or membrane bound
organelles
- Eukaryotes have a nucleus and membrane bound organelles
- Both can reproduce and respond to the environment
how many chromosomes do prokaryotes have? - answer✔1 circular chromosome
genetic recombination in prokaryotes vs eukaryotes - answer✔DNA transfer vs meiosis
(TRUE/FALSE) Transcription happens in the nucleus in both eukaryotes and prokaryotes -
answer✔False - cytoplasm in prokaryotes