Test 1 Chapter 3 Flashcards
A single round prokaryotic cell is called a:
Coccus
Which of the following is a spiral shaped prokaryotic cell?
Spirillum
A solution with the same tonicity as the cell is a/n _____ solution
Isotonic
Prokaryotic ribosomes have a _______ structure
30S, 50S, 70S
Cell walls influence morphology. T/F?
Ture
Which of the following is not a membrane transport mechanism in eukaryotes?
Bulk Transport, Movement of large materials across a membrane. Active transport, requires energy
The archaeal cell wall contains NAG and NAM. T/F
False, Bacterial cell wall not archaeal
Which scientists conclusively disproved spontaneous generation?
Louis Pasteur, with the swan neck flask
Who showed the importance of handwashing in disease prevention?
Semmelweis
Where is rRNA synthesized?
Nucleolus
Which of the following solutions would result in no net water
movement into or out of the cell?
Isotonic Solution
Which of the following best describes pinocytosis?
import of small materials and liquids by vesicles
Which of the following plays a role in lipid synthesis and
detoxification?
smooth endoplasmic reticulum (SER)
Which of the following assists in maintaining the position of the
nucleus?
Intermediate Filaments
Endotoxin is associated with ________
Gram-Negative cells only
Which of the following can digest old organelles
Lysosome
Who began using carbolic acid as a disinfectant during surgery?
Lister
Which of the following is found in the cell wall of all bacteria?
Peptidoglycan
Which of the following can form endospores?
Bacillus and Clostridium
Prokaryotic flagella have a whip-like motion. T/F?
False, rotating motion
Which of the following is NOT a response to a stimulus in bacterial cells?
Prophylaxis
Which of the following modifies lipids and proteins for export
from the cell?
Golgi Body
Gram-Positive bacterial cell walls have an outer membrane. T/F
False.
