What are two systems that send messages around your body

Types of scientific inquiry that biologist engage in that cannot be completely controlled

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

What are the measures taken by the uae government to protect the national tree (ghaf tree)