"the best explanation for why the onion cells do not burst, while red blood cells often do, is that
(1)the red blood cells have only a cell membrane, which does not protect them from bursting
(2)the onion cells do not have a cell wall that could protect them from bursting
(3)the onion cells have a cell membrane, which can protect them from bursting
(4)the red blood cells have a cell wall, which does not protect them from bursting"

After seeing the attached picture represented above, it has become more clear and I think that the best explanation for why the onion cells do not burst, while red blood cells often do, is that the red blood cells have only a cell membrane, which does not protect them from bursting. The main point which makes difference between two parts of picture is that one of the cells has protective membrane.
Hope you will find it helpful.
Regards.

If these are the missing choices: a. to determine skin temperature, place the back of your hand against the patient's skin.b. determine body temperature by touching the patient's hands and feet.c. skin temperature will tell you very little about this patient's condition or well-being.d. the patient's skin temperature and color will likely be warm and red.my answer is: a. to determine skin temperature, place the back of your hand against the patient's skin. using the back of the hand to check for temperature rather than the palm is more effective because the back of the hand has more nerves that can feel and transmit the temperature than the palm.

Iwolud you, but i dont know what you are asking.