Micro Biology 220 Lecture 2 Quiz
Microbiology 220 Lecture Quiz
Test your knowledge of microbiology with this engaging quiz designed for students of Microbiology 220. Covering key topics from cell structures and fun
You'll answer a variety of multiple-choice questions, including:
- Active transport mechanisms
- Ribosome composition in prokaryotes
- Characteristics of bacterial cell walls
- Different types of cellular locomotion
Water can be actively transported
True
False
What is the ribosome composition for prokaryotes?
50s + 30s = 80s
60s + 40s = 80s
50s + 30s + 70s
60 + 40s = 100s
Germination is the process by which an endospore returns to a vegetative state.
True
False
What does the 9 + 2 arrangement of microtubules, typical of cilia and eukaryotic flagella, refer to?
9 pairs of central microtubules with 2 doublet microtubules
2 pairs of doublet mircotubules with 9 central microtubules
9 pairs of doublet microtubules with 2 central microtubules
None of the above
Fimbriae are made of fimbrin subunits.
True
False
Which organelle carries enzymes that inactivate hydrogen peroxide?
Vacuoles
Lysosomes
Golgi apparatus
Peroxisomes
None of the above
Run and Tumble is a locomotor mechanism in prokaryotes only, due to flagellae (based on flagellin subunits)
True
False
Glide and Twitch
Locomotor mechanism in eukaryotes, due to flagellae (based on flagellin subunits)
Locomotor mechanism in prokaryotes, due to fimbriae (based on fimbrin subunits)
Locomotor mechanism in prokaryotes and eukaryotes, due to pili (based on pilin)
None of the above
Periplasm is a characteristic of gram positive bacteria and is antigenic
True
False
Which is NOT a characteristic of a gram negative cell wall?
4 rings in a basal body
Produces only exotoxins
Low susceptibility to penicillin
None of the above
Plasmids produce oxygen and provide antibiotic resistance
True
False
Which of the following is TRUE regarding life 4 billion years ago?
Life arose as eukaryotes
Oxygenated atmosphere
Mulicellular organisms were present
Organisms were originally heterotrophs
Pinocytosis is "cell drinking" while phagocytosis is "cell eating"
True
False
What is active transport?
A movement of substances from high to low concentration using ATP
A movement of substances from low to high concentration without using ATP.
A movement of substances from high to low concentration without using ATP
A movement of substances from low to high concentration using ATP.
Protoplast is a gram positive cell that lost its cell wall
True
False
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