Phosphorus, one of the most important elements in life, is found in

a. dna
b. sugars
c. proteins
d. all organic compounds

Which system revise and send electrical signals throughout the body

Which of the following statements are true chromosomes make up genes

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer