Your question is rather unclear but from what I can tell either there were not an even amount of Petri dishes or some of them were left open while others were not.
answer:
During prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses. The chromatin coils and becomes increasingly compact, resulting in the formation of visible chromosomes. ... The replicated chromosomes have an X shape and are called sister chromatids
Explanation:
Answer: the weight of a object
Explanation:
A testable question is something you need data for, ex: if i bounce a bouncy ball from larger heights, how high will it fly? it can't be just a regular yes or no question
Answer:
Both DNA and RNA are made up of monomers called nucleotides.
Both RNA and DNA both have 3 nitrogenous bases: Adenine, Cytosine and Guanine.
They are both necessary for the cell to produce proteins.
DNA and RNA both contain pentose sugars.
DNA makes mRNA which then is translated into protein.
Explanation:
