Which of the following carbon compounds provides an important building block for cell membranes?

a. nucleic acids
b. lipids
c. proteins
d. carbohydrates

Look at the picture below . what does this picture represent ?

Afisherman is dragging his boat from the shore out into the ocean. match the following lists of areas he will move over in the correct order. continental rise continental slope continental shelf [tex]1.[/tex] [tex]2.[/tex] [tex]3.[/tex]

Me with biology endocrine system crossword also image left i need with hw