The Roman aqueducts were an important advance in public: A) hygiene
Answer:
A. makes more copies of a sample of DNA
Answer:
Which of the following properties describes a direct current system but not an alternating current system?
The current always flows it the same direction.
Explanation:
When current flows in the same direction, it is described to have flow in a direct manner rather than an alternate system
<span>Since there is usually more than one codon for an amino acid, a mutation in the third base of a codon
will most likely not cause the wrong amino acid to be put into the chain. </span>
Diffusion is the random movement of molecules or particles from a region of high concentration to a region of low concentration bringing a natural flow in the system. Diffusion ensures that there is a state of equilibrium in the number of molecules in the system.
