The correct answer is c. Genetic Variation. Bacteria are very numerous, ad random mutation of bacterial DNA generates a wide variety of change, including resistance.
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The heat from hotter object goes to the cooler object. when they reach the same temperature the heat flow will stop.
The strategy is to look for unique processes that occur in virus infected cells but not uninfected cells. Look at some of the enzymes encoded by viruses, and the processes they catalyze to find ideas for inhibiting virus replication.Antiviral drug<span>, </span><span>any agent that is used in the </span>treatment<span> of an </span>infectious disease<span> caused by a </span>virus. Viruses are responsible for illnesses such as HIV/AIDS<span>, </span>influenza<span>, </span>herpes simplex<span> type I (cold sores of the mouth) and type II (genital herpes), </span>herpes zoster<span> (shingles), viral </span>hepatitis<span>, </span>encephalitis<span>, infectious </span>mononucleosis<span>, and the </span>common cold<span>.</span>
Answer;
Endosymbiotic theory is important as it explains the origin of the chroloplast and mitochondria. It also explains the formation of the eukaryotic cells.
Explanation;
Endosymbiotic theory explains the origins of eukaryotic cell organelles such as mitochondria in animals and fungi and chloroplasts in plants.
Mitochondria and chloroplasts are believed to have developed from symbiotic bacteria, specifically alpha-proteobacteria and cyanobacteria, respectively.
