Am not sure can any one help me Which is a function of a protein macromolecule?
O A. Providing leaves with waterproofing
B. Transporting other molecules in the body
O C. Insulating organs in the body from harm
O D. Providing codes for building organs

a

Explanation:

macromolecules are lipids which keep out water basically

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)