Richard Caton used electrodes . A. on the inside of a person's body
B. on the outside of a person's body

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

Which enzymes break down carbohydrates?

What is one reason why transpiration is important in plants? question 19 options: it produces food from the sugar in the plant cells. it enables the flow of water out of the plant. it produces carbon dioxide in the leaves of the plant.