A single molecule is the one that is responsible for initiating a signal transduction pathway. The answer in this question is a single molecule. Molecule is defined as an electrically neutral group of two atoms or more held together by a chemical bonds.
Answer:
Plants in the desert are succulent because they need to hold as store a lot of moisture
Answer:
itis responsible for the circulation as wel as purification of blood in the human body
When
the morning announcements call for you to rise to recite the pledge of
allegiance, the signal to stand up on your feet is sent by the somatic nervous system. The somatic nervous system is <span>part of the peripheral nervous system. Its functions are : </span><span>voluntary movement of the muscles and organs and reflex movements. So, the signal to stand up on our feet in the morning is movement of the organs sent by this system. </span>