Please help please help

the actual answer was 160934

you know they are heterozygous for a trait because they have it as jj or jj.

while the heads of the phospholipid structure attract water, the tails are hydrophobic. the model shows how the hydrophilic section folds around the fluid molecules to bring them into the cell so they don’t need to pass through the hydrophobic tails.  

. a balance and a graduated cylinder.