The Answer is B because distance in that question refers to the distance from the object to the center of the earth
Antibiotic resistance happens naturally due to genetic mutation through random selection, however, genetic drift occurs on purpose and tests which genes are stronger and should continue to be passed on to future generations. In most cases, genetic drift is needed and antibiotic resistance isn’t.
Mitochondria and chloroplast are two organelles found in eukaryotic cells. Chloroplast is only found in plants while majority of eukaryotic cells have mitochondria. Even though both organelles are found in eukaryotic cells, both mitochondria and chloroplast have characteristics often found in prokaryotic cells.
The answer is A.the site on an enzyme where the substrate binds
