Correct
matching nucleotide sequence for gatac

satellites are frequently used to make observations of the orbit on earth

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

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.