In the context of the 7-step reflex control pathway (Stimulus --> --> Response), which of the following neurons or groups of neurons is NOT considered to be a part of an output signal? a. Parasympathetic neurons b. Sympathetic neurons c. Somatic motor neurons d. Sensory Neurons and Interneurons

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

The first amino acid of a new polypeptide chain is

Which of the following statements about protists are true? a.they are typically found in moist environments. b.they are all unicellular. c.they have a nucleus. d.they are all multicellular.