A nucleotide is made up of one sugar molecule, one phosphate molecule and one of the four bases. Here is the structural formula for the four nucleotides of DNA. Note that the purine bases (adenine and guanine) have a double ring structure while the pyrimidine bases (thymine and cytosine) have only a single ring
Biomedical Sciences major. You will learn about anatomy and physiology. As well as human microbiology and about the chemical systems in the human body.
You can also major in Clinical Sciences. <span>Medical professionals who work with patients,</span>
Answer:
the second choice is incorrect
Explanation:
plz give me brainliest i only need one more to increase my level!
<span>species A might branch into two or more species</span>