Need with biology hw : water(h2o) and hydrogen peroxide(h2o2) both consists of hydrogen and oxygen atoms. explain why they have different chemical and physical properties.

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

Which of the following is a responsibility of a scientist

Protein and polypeptide sequences can be determined by first partially hydrolyzing the protein or polypeptide followed by amino acid sequencing of the fragment pieces using the chemical degradation process known as edman degradation. determine the sequence of the initial (18-amino acid) polypeptide that produces the following five partial sequences after hydrolysis and edman degradation.