By mutation over time of RNA chains
Adenine and guanine have a fused-ring skeletal structure derived of purine, hence they are called purine bases. ... Similarly, the simple-ring structure of cytosine, uracil, and thymine is derived of pyrimidine, so those three bases are called the pyrimidine bases.
Answer:
Diffusion
Explanation:
Diffusion is a passive process of transport. A single substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across the space.
Answer:
the set of non genetic traits, qualities, or features that characterize a person or thing
Explanation:
humility is just not her DNA
Answer:d. law of universal gravitation
Explanation:
