Explain how ph, temperature, and heavy metals (ie: na+, mg++,k++) affect enzyme activity

Contrast how pollination is different among gymnosperms and angiosperms.

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.

Me the formula cacl2 represents the compound