Which of the following compounds has the greatest potential energy?
A. Water
B. Sodium chloride
C. Cholesterol
D. Glucose
E. Alanine
Answer: D. Glucose
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Which statement best describes active transport?
A. A substance goes from an area of high concentration to an area of low concentration, and this releases energy. B. A substance goes from an area of low concentration to an area of high concentration, and this releases energy. C. A substance goes from an area of high concentration to an area of low concentration, and this requires energy. D. A substance goes from an area of low concentration to an area of high concentration, and this requires energy.
Compared to blood capillaries, lymphatic capillaries__________.
What will be an ideal response?
Anaphase
a. involves the lining up of the chromosomes across the equatorial plate. b. is the same in mitosis and meiosis I and II. c. is initiated when the chromosomes begin to move apart. d. results in an unequal distribution of chromosomes to the resulting cells. e. does all of these.
The best definition of osmotic pressure is
A) The movement of solute molecules from a higher to a lower concentration. B) The force with which a solvent moves across a semipermeable membrane from a higher to a lower concentration. C) The movement of a substance across a semipermeable membrane from a higher to a lower concentration. D) The active transport of a substance out of a cell to maintain equilibrium. E) The movement of solute molecules from a lower to a higher concentration across a semipermeable membrane.