Which phrase is not an example of intercellular communication? 1. chemical signal from pituitary gland to adrenal gland
2. electrical signals pass between heart cells
3. chemical messengers dock onto receptors of adrenal gland
4. a vesicle encloses over a nutrient molecule

Why would a drug the damages capsids treat a viral infection

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.) chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?