How are the two DNA strands oriented relative to each other?
A. Parallel to each other
B. Perpendicular to each other
C. Antiparallel to each other
D. In a random fashion
Select your answer:
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Nutrition › ViewWhich nutrient helps to fill your cells, dissolve materials, digest food, dilute wastes, and main body temperature?
A. Water
B. Vitamins
C. Minerals
D. Proteins
Urinary System › View
Which of the following describes the role of urinary systems in maintaining cellular homeostasis?
A. Urinary systems regulate water balance, pH, and the concentrations of ions in body fluids for cells.
B. Urinary systems are important for the generation of urea, which cells can use as an energy source when carbohydrates become scarce.
C. Urinary systems ensure the delivery of the proper amount of nitrogen to the cells.
D. Urinary systems filter out diseased and damaged cells that can be excreted from the body.