Which activity do all living things do to survive

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.

What’s a example of extrusive rock that cooled to quickly for grains to form

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