It is safe to cut veges and raw meat on the same cutting board without washing it t/f

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic

Identify the area on the image where the force of attraction is the strongest.

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