If cells are placed in a hypertonic solution containing a solute to which the membrane is impermeable, what could happen?
A) The cells will lose water and shrink.
B) The cells will show no change due to diffusion of both solute and solvent.
C) The cells will swell and ultimately burst.
D) The cells will shrink at first, but will later reach equilibrium with the surrounding solution and return to their original condition.
A
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Which of the following is false?
A) The rotator cuff functions to limit the range of movements of the shoulder joint. B) The shapes of the articulating surfaces within the joint help prevent movement in a particular direction and strengthen and stabilize the joint. C) The tighter two bones are held together within a joint, the stronger the joint. D) The more movement a joint allows, the stronger the joint. E) The tension produced by muscle tendons surrounding a joint help stabilize the joint.
Insects prevent water loss and disturbance in the osmotic balance in cells by
a. having a water-proof cell wall around each cell. b. having a cuticle that makes the body water-proof. c. having an outer epidermis made of keratinized cells. d. having equal concentration of molecules in ECF and ICF.
Essential nutrients are nutrients a person must obtain from food because the body cannot manufacture them in sufficient amounts to meet its physiological needs
a. True b. False Indicate whether the statement is true or false
________ are the interconnected bony plates in spongy bone.
A. Trabeculae B. Lamellae C. Canaliculi D. Lacunae