Explain what happens when a neuron is at rest?

Which of these is not a nucleotide base found in dna?

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast

Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.