Consist of large molecules on the surface of cells where neurotransmitters attach.

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

How many cells are our body made of ? ♡

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.