Answer: Option B) is toxic to red blood cells.
Explanation:
Partial hydrolysis of lecithin by lecithinases (enzyme in black widow spiders and snakes venom) causes the removal of only one fatty acid to yield lysolecithins, which when subjected to the bloodstream by sting as a result of spider bite causes the rupture of red blood cells.
Thus, the mechanism is that it is toxic to red blood cells.
Answer;
-The microscope could be used to see if the specimen has functioning cells and a metabolism.
Explanation;
-Living organisms such as humans which are multicellular organisms and amoeba which are unicellular are similar in that they maintain homeostasis, contain functioning cells, have a metabolism, and are able to reproduce among other characteristics. All these and other characteristics may be observed using a microscope.
