Answer:
it runs down the moutain and is reused
Explanation:
i got it right hope this helps :)
The appropriate response is Homo sapiens. This is the binomial classification for the main surviving human species. Homo is the human sort, which likewise incorporates Neanderthals and numerous other wiped out types of primate; H. sapiens is the main surviving types of the sort Homo.
<h2>Competitive inhibition</h2>
Explanation:
If the strategy of using a drug that binds to the active site of the enzyme and block it proves successful, then the phenomenon taking place is :
D. Competitive inhibition.
A competitive inhibitor of an enzyme is a molecule that closely resembles the substrate and binds to the active site of the enzyme and blocks its . Competitive inhibition is a reversible phenomena and it can be reversed by increasing the substrate concentration.
Answer:
it was only 90 percent effective
Explanation:
In 1954 a massive controlled field trial was launched, sponsored by the National Foundation for Infantile Paralysis. Almost two million U.S. children between the ages of six and nine participated. In some areas of the country half of these “Polio Pioneers” received the vaccine, while half received a placebo. In other areas of the country children who did not receive any vaccine were carefully observed. On April 12, 1955, Thomas Francis, Salk’s mentor and the director of the trial, reported that the vaccine was safe, potent, and 90% effective in protecting against paralytic poliomyelitis.
