Which of the following is true regarding the cell theory? a. cells are non-living entities. b. cells can be formed from living or non-living things. c. cells are the basic units of life. d. all living organisms are made of one or more cells.

What must happen before meiosis can begin? a. four gametes must be produced b. the four tetrads must be pulled apart c. dna doubles and produces sister chromatids d. the cell membrane pinches together

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto

Someone me with this: a mineral' is determined by its actomic structure.