Answer:
Hey! The answer is B
Explanation:
Cell walls only belong to plants, and chloroplasts also only belong to plants. Besides that everything else belongs to both, and that means that B is the only right answer
I would say Cone cells are responsible for this
Answer:they make useful substances, including: wax, honey, laquer, and silk
Explanation:
Answer: The answer is D; The speed of neural transmission is measurable
Explanation:
Helmholtz constructed an apparatus specially to measure short time intervals of the order of ten-thousandths of a second, Helmholtz was able, in an elegant experiment published in 1850, to measure precisely the speed of conduction of the nerve signals in the motor nerve of the frog's leg.