If a polypeptide contains 10 peptide bonds, how many amino acids does it contain?
A) 12
B) 11
C) 10
D) 0 E) 5
B) 11
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The total solute concentration in the extracellular fluid is mainly dependent upon the concentration of Na+ in the extracellular fluid.
Answer the following statement true (T) or false (F)
Answer the following statements true (T) or false (F)
1. Food is contained in the gastrointestinal tract from the time of ingestion until it is completely digested and the waste prepared for elimination. 2. The circular folds of the small intestine enhance absorption by causing the chyme to spiral, rather than to move in a straight line, as it passes through the small intestine. 3. As food passes through the digestive tract, it becomes less complex and the nutrients are more readily available to the body. 4. Some of the microbes that often invade other organs of the body are rarely found in the stomach. The reason for this is the presence of HCl. 5. Kupffer cells are found in the liver and are responsible for removing bacteria and worn-out cells.
The process of cells specializing during development is
A) embryology. B) implantation. C) differentiation. D) meiosis. E) None of the answers are correct.
The nerves that supply the upper limbs enter or exit from this area of the spinal cord.
A) cervical plexuses B) cervical enlargement C) lumbar enlargement D) sacral plexuses