Natural selection. Only spiders that were more resistant to the pesticide lived through the first spraying of the pesticide, thus we're the only ones that could reproduce. This in turn made the offspring of the previous generation more resistant as well; thus making the pesticide less effective.
Two amino acids<span> are linked together by the formation of a </span>peptide<span> bond. </span>Amino acids<span> joined by a series of </span>peptide bonds to make<span> a </span>peptide<span> chain. Thus , a protein molecule is a </span>polypeptide chain <span>composed of many </span>amino acid residues<span>.</span>
Answer:
Scientific theories can never be proven true beyond all doubt; they can only be supported by a wide body of evidence. Only one of the statements that follow uses the term theory in its correct, scientific sense.
Explanation: