what must happen before meiosis can begin?
a. the cell must split into four sections.
b. chromosomes must duplicate four times.
c. dna replicates and forms tetrads.
d. four haploid cells are produced.

Construct an explanation about the function of mitosis for multicellular organisms

What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid

Time ! for a smell to begin the process of registering in your brain, first you must a) inhale odor molecules into the nasal cavity b)transduce scent chemicals c)have a scent to inhale d)all answers can work