The answer for 21 I think is false
The word that best fits the statement is the term "superolateral." The vastus medialis is located at the quadriceps muscles wherein it is the most medial among the muscle groups. It is specifically placed at the top portion of the muscle just above the knee.
The answer would be B, because they have subcellular organelles.
Semipermeable means the cell membrane can pick and choose what goes out of it and into it. At least, that's what I believe it is.
The answer is B and D i learned this in biology last week