Earth's crustal bedrock at the Mid-Atlantic Ridge is. composed mostly of
1. Basalt with a density of 2.7 g/cm3

2. basalt, with a density of 3.0 g/cm

3. granite, with a density of 2.7 g/cm3

4.granite, with a density of 3.0 g/cm

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