Abiology student sketched the following cell during a lab as he observed it in the last stage of mitosis. the cell lacked a cell wall. what type of cell did he observe? a. bacterium cell b. animal cell c. fungal cell d. plant cell

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

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.

Asegment id dna that is artificially created from two or more organism through use of dna enzymes in a laboratory is called a segment of dna that is artificially created from two or more organisms through use of dna enzymes in a laboratory is called