The higher the concentration of solute in a solution, the __________ the effective water concentration
and the __________ the osmotic pressure.
a. lower; lower
b. lower; higher
c. higher; higher
d. higher; lower
e. Answer cannot be determined from the information provided.
B
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You are studying a fossilized primate skull and notice that the foramen magnum is located at the center
of the base of the skull. You conclude that:a. the skull belonged to a knuckle walker. b. the skull belonged to a quadruped. c. the skull belonged to a bipedal primate. d. the skull belonged to a brachiator. e. the skull belonged to a gibbon.
The largest virus is bigger than the smallest bacterium.
a. true b. false
Which of the following statements describes how an increase in osmotic pressure could occur in a cell?
A) The concentration of water is higher inside the cell than outside the cell B) The concentration of water is lower inside the cell than outside the cell
Micronutrients function in plants mainly as
A) joining elements in organic molecule carbon skeletons. B) regulators of membrane transport. C) cofactors in chemical reactions. D) food reserves for pollen grains.