Identify the elemental makeup of proteins.
carbon, hydrogen, and oxygen
carbon, hydrogen, and oxygen in a 1: 2: 1 ratio
carbon, hydrogen, oxygen, and nitrogen
carbon, hydrogen, oxygen, nitrogen, and phosphorus

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

One function of the immune system is to attack the foreign cells to protect the body. in organ translate , the body recongnizes that the new organ is made of foreign cells. wha kind of medicine would you give a patient to increase the chances of transplate success

Which of the following forest management practices is best for reestablishing areas of forest?