As Carter was hammering a nail, he accidentally hit his thumb with the hammer. His response to this is due to a special sensory receptor called a . A) chemoreceptor B) mechanoreceptor C) photoreceptor D) thermoreceptor

Ryan rears sheep for their wool. recently the quantity of wool that ryan gets has diminished. this is because the new sheep are not that wooly. ryan should add which nutrient to their feed so that the sheep becomes more wooly? a.cornb.ironc.cottonseedd. vitamin a

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger