Lab practical study - Antiseptics and Disinfectants
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10 Terms
What are Antiseptics used on?
living tissue
Alcohol, Hydrogen peroxide, Iodine are all examples of what?
Antiseptics
What are disinfectants used on?
Used on nonliving surfaces
Bleach, Lysol are examples of what?
Disinfectants
what is the Zone of Inhibition
the clear area around the antibiotic disk where bacteria cannot grow.
What is Inhibition of Cell Wall Synthesis?
Antibiotic prevents formation of peptidoglycan, weakening the cell wall → cell bursts.
What is Inhibition of Protein Synthesis?
Antibiotic binds to ribosomes and prevents protein production.
What is Inhibition of Nucleic Acid Synthesis?
Stops DNA or RNA replication.
What is Disruption of Cell Membrane?
Damages membrane → cell contents leak out.
What is Metabolic Pathway Inhibition?
Blocks essential biochemical reactions.