During this phase, chromosomes coil tightly, the nuclear membrane begins to breakdown, and the spindles begin to form. a. anaphase b. telophase c. prophase d. metaphase

I believe it is prophase as it the first stage of mitosis where this happens.

anaphase is when chromosomes are pulled away and metaphase is when they are lined up, telophase is when the cell seperates.

The answer is C

thymine. in rna, thymine is replace by uracil

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.