This is an animal cell. What is the structure that the arrow is pointing to? A. nucleus

B. cell wall

C. cell membrane

D. mitochondria

Most enzyme names end in the

Which example best describes a reflex action? a. eating food when hungry b. coughing when the throat is irritated c. bending down to lift a heavy object d. going for a walk outside

Just a quick question. will give pointswhat is the root word of "blood."it is written in my homework as hemat(o) : blood.so, should i write that the root word as hemat or hemato or hemat(o). i'm really confused.