Answer:
In molecules of RNA, uracil takes the place of the DNA base thymine . 4. Build: Continue building the strand of mRNA until you have used all of the RNA nucleotides. ... Every group of three bases of mRNA is called a codon .
Before the dna could be found was necessary <span>the
microscope. </span><span>This invention was
the starting point of a great variety of advances in the world of science,
which started from the world of Microscopy and also changed the way of seeing
the world, from the possibility of studying Bacteria and Microbes (what that
led to the Bacteriology) until the analysis of our own blood with the discovery
of the Red and White Globules, which supposed a strong advance in the world of
medicine.</span>
Answer:It was both toxic and regulare
Explanation:
Toxicity depended on the area.
They all have chromosome disorders (irregular number, extra or missing chromosomes)
