I would say D. <span>Proteins are made from DNA, which is created from RNA.
I hope I was of assistance to you</span>
Answer:
Allows to reabsorb water.
Explanation:
The kidney uses energy to generate an osmotic gradient (that is the difference in the concentration of two spaces separated by a membrane). This gradient allows the kidney to reabsorb water, and so create more concentrated urine or less concentrated, depending on how hydrated the body is.
Answer:
I don't know I'm sorry I will tell you another answer asks me
Antigens: Antigens are substances that cause an immune response in the body by identifying substances in or markers on cells. Your body produces antibodies to fight antigens, or harmful substances, and tries to eliminate them.
Antibodies: Antibodies are proteins which belong to a class known as immunoglobulins. They are made up of chains of amino acids joined by peptide bonds.
Cellular immunity: Lymphocytes act against target cell,Acts directly by killing infected cells,Acts indirectly by releasing chemicals that enhance inflammatory response; or activating other lymphocytes or macrophages.
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