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1
The chemical NaCl(s) is often called
A)sodium chlorine
B)chlorine sodium
C)table sugar
D)table salt
2
The chemical NaCl(s) is
A)molecular
B)acidic
C)ionic
D)basic
3
The processes that do not require energy provided by the cell are
A)diffusion and active transport
B)facilitated diffusion and osmosis
C)osmosis and endocytosis
D)active transport and exocytosis
4
A plant cell absorbed calcium ions, and at the same time, the concentration of ATP decreased. The process most likely used was
A)active transport
B)osmosis
C)diffusion
D)facilitated diffusion
5
As the hydrogen ion concentration increases, the pH
A)goes up too
B)goes down
C)stays the same
D)doesn't matter since pH doesn't measure hydrogen ion concentration
6
If ATP is used up to pump iron ions out of a cell, the process is
A)endothermic
B)neither endo- nor exothermic
C)exothermic
D)both endo- and exothermic
7
A solution of water and salt is placed in a beaker. 1.00 g of salt is added and dissolved. You can correctly describe the changes in the solution by saying
A)the concentration of solute had decreased
B)the concentration of solvent has increased
C)the concentration of both solvent and solute have increased
D)the concentration of solvent has decreased
8
A dog pees 430 mL of water a day. The number of moles of water peed in a day are
A)23.9 mol
B)0.0419 mol
C)26.8 mol
D)7749 mol
9
During cellular respiration, carbon dioxide and water are produced. The cell usually gets rid of excess water and carbon dioxide by
A)active transport and diffusion
B)facilitated diffusion and exocytosis
C)osmosis and diffusion
D)osmosis and active transport
10
During cellular respiration, glucose and oxygen are used. The cell usually obtains these molecules by
A)active transport and osmosis
B)osmosis and diffusion
C)endocytosis and diffusion
D)diffusion only





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