What features do male platypuses have in common with other mammals?

Which of the following statements is true of cells

Which of the following statements is true regarding a basic amino acid? a.) the hydrophilic r group of a basic amino acid will be located on the interior of a protein b.) the positively charged r group of a basic amino acid could bind dna c.) the r group of a basic amino acid would only be able to form covalent bonds with other molecules d.) a basic amino acid would be considered both polar and hydrophobic e.) all of the above

Ican construct an argument based on data about the risk and benefits of renewable and nonrenewable energy sources