Which cell organelle is responsible for a plant’s shape/structure and can be found in a piece of lumber (tree bark) that was cut from a tree last year? chloroplast

cell wall

cell membrane

nucleus

Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.

What would most likely happen if green plants were exposed to longer days of sunlight? a. the mitochondria would produce less energy . b. the chloroplasts would produce more energy. c. the cell wall would become thicker. d. the vacuoles would quickly shrink. b. the chloroplasts would produce more energy.

Why were the results whit just water so much different than the trials with the detergent ?