If the alcohol concentration in PEA agar was increased, it would inhibit both Gram - and Gram + bacteria by breaking down membrane absorbency barrier, tolerating influx of substances that are generally blocked and leakage of cellular potassium. High alcohol concentrations would lead to disruption or halting of DNA synthesis in both Gram + and Gram - bacteria
Answer:
★ C. fossils of marine organisms are found at the top of some mountains
Explanation:
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Answer: A change in the sequence of amino acids determined by the gene
Plasmids are small DNA fragments that occur in many bacterial cells.
