The square denotes male. One parent is recessive, so X must have at least one recessive allele. B is the right answer.
Hacer que resbale más y que sea menos doloroso.
Mesenteries attach parts of the digestive tract to the dorsal body wall
well usually cell wall helps to maintain the shape of the plant cell which plasma can't do.
both of them controls movement of substances into in and out of the cell.
<h3>sturuture:</h3>
plasma membrane contain outer membrane that surrounds the entire contents of cell and made of protein and phospholids.
cell wall are strong n rigid, made from celllouse fibre and fully permeable