Valine is an amino acid used to make proteins. it is an essential amino acid meaning the body cannot synthesize it and thus, it must be obtained from food sources. its side chain is an isopropyl group. what property of valine would you expect from this side chain?

Describe speciation of the galapagos island finches in terms of geographic isolation

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.

5. what might happen if you were to remove all light from the setup after the discs have all become buoyant? describe what you would see. explain why this would occur with relation to cellular processes like respiration. [referring to an ap biology lab in which spinach discs are placed in a sodium bicarbonate solution and exposed to light.]