22) which hormone increases osteoclast activity to release more calcium ions into the
bloodstream?
a) calcitonin
b) thyroxine
c) parathyroid hormone
d) estrogen

In what part of a chloroplast does glucose production occur? a. atp synthase b. photosystem ii c. photosystem d. stroma

Which mechanism of transport takes place when solute particles move from a region of high concentration to a region of low concentration? active diffusion isotonic osmosis

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above