The majority of signal molecules are peptides and small proteins. Both are made of a chain of amino acids, the difference being the number of amino acids that make up the molecule. Generally, if the signal molecules has fewer than 50 amino acids it is considered a peptide. If it has more it is considered a protein.
Both bees would have to be heterozygous. This meaning that they are still long winged but is a carrier of the trait to have a short wing off spring
False, because if it is air pollution, the polluted particles diffuse in the air and then travels. In addition, for noise pollution, sound waves travel!
Definitely decompose dead organisms, otherwise there would be no oil for us.
