Do you always have to replicate a piece of dna before transcribing it

Time ! for a smell to begin the process of registering in your brain, first you must a) inhale odor molecules into the nasal cavity b)transduce scent chemicals c)have a scent to inhale d)all answers can work

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm