A nucleophilic addition-elimination reaction between the carboxylic group and the amino group bonds the amino acids together.
Nitrogen is fixed or combined, in nature as nitric oxide by lightning and ultraviolet rays, but more significant amounts of nitrogen are fixed as ammonia, nitrites, and nitrates by soil microorganisms.
Answer:
The moths with darker coloring lived long enough to reproduce and passed the trait on. The light peppered moths were easier for predators to spot on the dark soot covered trees so they died first.
Explanation:
Cloning and stem cell harvesting. I just had a question like that in my biology class
Answer:
As statements are not provided, let's have a look at scientific knowledge generally.
Explanation:
A piece of scientific knowledge will be considered to be true and authentic if it is supported by a number of testable experiments which gave the same supporting result again and again. Experiments performed by such scientists will be viable and will contribute to the current body of scientific knowledge.
On the other hand, scientific knowledge that is not supported by experiments that are correct will not be of much importance.
