Prentice Hall Biology Page 199 (1-9)

Animal cells have all of the following EXCEPT

chloroplast

Which of the following is an example of active transport?

endocytosis

Which process always involves the movement of materials from insie the cell to outside the cell?

endocytosis

The nucleus includes includes all of the following structures EXCEPT

cytoplasm

Which cell structures are sometimes found attached to the endoplasmic reticulum?

ribosomes

The graph shows that as the concentration of sucrose increases from 10 to 30 mmol/L, the plant cells

take in sucrose more slowly

Which statement is best supported by information in the graph?

the rate of sucrose uptake is constant between 30 and 40 mmol/L

Which statement best describes the expected result when a typical cell is placed into fresh water?

there would be a net movement of water into the cell

In this experiment, there was a positive sucrose uptake. Sucrose probably entered the cell by means of

active transport