Podcast
Questions and Answers
What is the enzyme responsible for the final cross-linking reaction in the cell wall biosynthesis?
What is the enzyme responsible for the final cross-linking reaction in the cell wall biosynthesis?
Transpeptidase enzyme
What inhibits the final cross-linking reaction in the cell wall, leading to a leaky wall and cell lysis?
What inhibits the final cross-linking reaction in the cell wall, leading to a leaky wall and cell lysis?
Penicillins and cephalosporins
What is the salt concentration like inside the cell compared to outside?
What is the salt concentration like inside the cell compared to outside?
Greater inside the cell
What is the structure of the enzyme that catalyzes the final cross-linking reaction in the cell wall biosynthesis?
What is the structure of the enzyme that catalyzes the final cross-linking reaction in the cell wall biosynthesis?
Signup and view all the answers
What is the chemical structure of penicillin G?
What is the chemical structure of penicillin G?
Signup and view all the answers
What is the trivial nomenclature used for penicillins?
What is the trivial nomenclature used for penicillins?
Signup and view all the answers
What is the mechanism by which penicillins and cephalosporins inhibit cell wall biosynthesis?
What is the mechanism by which penicillins and cephalosporins inhibit cell wall biosynthesis?
Signup and view all the answers
What is the consequence of inhibiting the final cross-linking reaction in the cell wall?
What is the consequence of inhibiting the final cross-linking reaction in the cell wall?
Signup and view all the answers
How do penicillins and cephalosporins cause cell lysis?
How do penicillins and cephalosporins cause cell lysis?
Signup and view all the answers
What is the role of D-alanine and glycine in the final step of cell wall biosynthesis?
What is the role of D-alanine and glycine in the final step of cell wall biosynthesis?
Signup and view all the answers