I have 10 questions, MCQ and Fill in the blank. biology lab
Which species were tested in your bacterial inhibition lab exercise?
Bacillus cereus | ||
Staphylococcus aureus | ||
Streoptococcus mutans | ||
Balantidium coli | ||
Escherichia coli | ||
Pseudomonas aeruginosa |
Which of the following antimicrobial agents works directly on bacteria by interfering with cellular processes?
disinfectants | ||
antibiotics | ||
antiseptics |
Amoxicillin was less effective on E. coli than S. mutans because (choose all that apply)
amoxicillin targets bacterial ribosomes | ||
amoxicillin targets peptidoglycan | ||
E. coli is gram negative | ||
E. coli is gram positive |
Which antimicrobial compound was the least effective against S. mutans?
antibacterial soap | ||
bleach | ||
erythromycin | ||
mouthwash | ||
amoxicillin | ||
household cleaner |
Which of the following did you observe undergoing conjugation in the "Protists in Motion" video?
Volvox | ||
Spirogyra | ||
Euglena | ||
Trichonympha |