Which of these cell parts contain instructions for the passage of traits from one generation to the next

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

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.

Has magnification ability of hundreds of thousands of times