Here are the answers to the given questions above.
1. Since the Duffy antigen can be found in most individuals residing in Western Africa and that recently, this can be already found in many white European populations, the process the explains this is what we call gene flow. The answer is option A.
2. The physical factors that are considered mostly influences the Antarctic ecosystem are weather, ice, and ocean currents. The answer would be option C. Hope this helps.
Answer:
the is a- the cell membrane surrounds particles outside the cell
Answer:
Carboxyl functional group.
Explanation:
Carboxyl functional group is the feature or characteristic which us absent in the monosaccharide. The carboxyl group is an organic, functional group comprising of a carbon atom which is double-bonded to an oxygen atom and have singly bond with a hydroxyl group. In other words we can say that it is a carbonyl group (C=O) that has a hydroxyl group (O-H) which is attached to the carbon atom.