Where is energy stored? A. In the phosphate bonds of ATP
B. In the phosphate bonds of ADP
C. In the phosphate bonds of NADPH
D. In the phosphate bonds of NADP

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.

Which of th following best describes how genes produce traits in an organism?

Which material is commonly used as a culture medium for living cells