Which factor is most important to keep the same when comparing the hardness of solids?
O A. The intensity of the light
B. The amount of each substance
O C. The temperature of the hot plate
D. The method of making a scratch on the material

C, h, o - elements that are common to biomolecules. if the biomolecule in question is a protein these elements also combine with nitrogen. which molecule below is a protein?

Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.

What is a dendrite and what does it do?