Answer:
Underneath both the soil and the ocean, Earth's outer layer is made of sand and water. Underneath both the soil and the ocean, Earth's outer layer is made of hard, solid rock.
Proteins differ from one another primarily in their sequence of amino acids
Answer: Medication can be tested on the cancer culture before being injected into the patient.
Technically, the black widow spider is the deadliest spider despite it's size, due to it's overwhelmingly potent venom, which can and will kill a human if no medical attention is sought out for the person bit.
Answer:
The correct option is C: antigen-binding sites
Explanation:
The antibody is shaped much like the letter Y in the English alphabet. It has two antigen binding sites that are identical in nature. The specificity of these sites is determined by the amino acid sequence that makes it up. Antibodies are complementary to these antigen binding sites, and the antibodies have an incredible ability to recognize a great variety of antigens.
Hope that answers the question, have a great day!