A freshwater plant is placed in a container of saltwater. What will most likely happen to the cells of the plant?

Which would be the best evidence that a cell is using active transport to move a substance across its cell membrane?

What is (are) the main difference(s) between passive transport and active transport?

All of the following are types of passive transport except

What is the role of ATP in the process of active transport?

Which of the following is an example of osmosis?

Which statement is true regarding active transport?

In general, in what direction does a diffusing substance move?

Why might heating an enzyme slow the rate at which the rate occurs

Enzymes influence chemical reactions in living systems by

The valence shell of a neutral atom loses two electrons. Which of the following ions might result?

Which of the following elements is a nonmetal?

Which best explains why water dissolves most salts?

Which element is an alkaline earth metal?

Which type of bond is responsible for atoms of pure gold to be bonded togther?

Carbon atoms can link themselves together into long chains and rings to form a vast number of highly complicated molecules. Which of the following statements BEST explains why carbon atoms behave this way?

Aluminum oxide, Al2O3, is produced by combining Al3+ and O2- particles. What type of compound has been formed?

Which group in the periodic table forms ions that have a valence of 1+?

Which of the following atoms has the largest atomic radius?

Which of the following atoms has six valence electrons?

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