Question

24. Perhaps Anfinson was inspired by the chemical treatments used in shampoos. There are always two chemical solutions that are applied during a shampoo: an oxidizing agent and a reducing agent. What is the order in which they are applied to the hair? a. Oxidizer first, shape the hair onto curlers, then apply the Reducing agent. b. Reducing agent first, shape the hair onto curlers, then apply the oxidizing agent. C. It doesn't matter the order, as long as both are applied at different times. d. Only the oxidizer is applied; no reducing agent is needed. e. Only the reducing agent is applied; no oxidizer is needed. 25. Which of the following antibiotics does NOT act on bacterial ribosomes? a. Tetracycline b. Erythromycin C. Streptomycin d. Penicillin e. All of the above antibiotics interfere with normal ribosomal function.

Answer 1

Question 24. Option B

Explanation: The reducing agent makes the S-S bond of Keratin into SH, to shape the hair onto curlers, then the oxidizing agent forms back the S-S bond to straighten the hair.

Question 25. Option D

Explanation: No harm comes to the human host because penicillin does not inhibit any biochemical process that goes on within us.