A scientist is trying to elucidate why a certain group - id6455095 от hany90 23.04.2021 05:02

Question

Biology: A scientist is trying to elucidate why a certain group of eukaryotic cells died by comparing their proteins to the proteins of similar living cells. Protein sequences show multiple stretches of incorrect amino acid sequences embedded within the polypeptide chain, which are absent in the proteins of the living cells. Which of the following describes a plausible reason for their presence? A.The DNA primers are absent. B. The P site in the ribosomes was damaged. C. The start codons were missing. D.

hany90 · Accepted Answer

penicillin was the first antibiotic discovered. Alexander Fleming discovered it in 1928. It was used widely during World War II. However, the sulfonamides were the first antibiotic class used clinically (in the 1930's). The discovery of antibiotics revolutionized medicine by making once-deadly infections treatable. There are now hundreds of antibiotics, classified into several categories. These antibiotic classes include:

Explanation:

sana makatulong!

A scientist is trying to elucidate why a certain group of eukaryotic cells died

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