Which organelle aids in the maintenance of cell homeostasis by selectively regulating The passage of materials into and out of the cell? A. Plasma membrane
B. Lysosome
C. Ribosome
D. Nuclear membrane

Substances effect: partially blocks (h+)/pyruvate symporter, interfering with the transport of pyruvate into the mitochondria. will this make the body lose or gain weight?

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.

Select the correct answer. for their summer holiday, jane and her family are visiting places surrounding the mediterranean sea. which type of biome is jane and her family visiting? a. rainforest b. shrubland c. tundra d. coniferous forest reset next