Choose the correct statement regarding the structure of the plasma membrane.
The hydrophobic center of the plasma membrane will restrict the movement of fat-soluble substances through the membrane.
The membrane is composed of water-soluble molecules, to allow movement of water between the fluid compartments.
Carbohydrates in the plasma membrane can serve as a source of immediate energy for the cell.
The movement of proteins in the plasma membrane allows for cellular adaptations to the extracellular environment.
The movement of proteins in the plasma membrane allows for cellular adaptations to the extracellular environment.
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The glucose concentration in the plasma when glucose first starts to appear in the urine is about____ mg per 100 ml
a. 30 b. 60 c. 100 d. 150 e. none of the above
One of the nutrients active in the synthesis of proteins and antibodies is ________.
A. B2 B. pantothenic acid C. biotin D. B6
Which layer of the digestive tract is in direct contact with the food consumed?
A. mucosa B. muscularis C. submucosa D. serosa E. peritoneum
A pituitary tumor interferes with FSH secretion. How would this effect a male?
A. He would develop a feminine body contour. B. He would not produce sperm. C. He would have an erection. D. There would be no effect as FSH is found only in females. E. He would produce too many sperm.