please can you explain the right answers?
QUESTIONS 5) Xochilt following media will be a better option for her to use? A) selective media C) selective and differential media wants to discover a microbe capable of degrading an environmental contaminant. Which of the B) enrichment media D) chemically defined media 1S) Which of the following methods would be best to sterilize a liquid growth media containing antibioties? A) filtration B) addition of alcoholC) autoclaving D) boiling 30) A microbiologist inoculates a growth medium with 100 bacterial cells/ml. If the generation time of the species is 1 hour, and there is no lag phase, how long will it be before the culture contains more than 10,000 cells/ml? A) 24 hours в) 3 hours C) 7 hours D) 2 hours 31) Which of the following is NOT a target of drugs that inhibit protein synthesis? A) interference with peptide bridges in peptidoglycan B) movement of the ribosome from one codon to the next C) the enzymatic site of the 50S ribosomal subunit D) the shape of the 30S ribosomal subunit 36) Aseptic means A) clean B) sterile. C) free of pathogens D) sanitized.