The carrier protein responsible for absorption of vitamin B12 is:
1. pepsin.
2. intrinsic factor.
3. hydrochloric acid.
4. gastrin.
2
Active transport requires the input of energy for the movement of particles across a mem-brane against an energy gradient. This movement requires a carrier protein. The best-known carrier protein is the intrinsic factor, which is responsible for the absorption of vitamin B12.
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A) Apply cool or warm cloth to head or eyes. B) Eliminate use of bright lights when working. C) Avoid certain foods. D) Perform stretching exercises and frequent position change.
The nurse explains that the urge to void occurs when the bladder contain as little as ______ mL of urine
Fill in the blank(s) with correct word