Chitin is a chemical component of the cell walls of
A. bacteria.
B. algae.
C. fungi.
D. protozoa.
E. All of these choices are correct.
Answer: C
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The ras proto-oncogene family is a group of related genes that slow or stop the progression of cancer
a. True b. False Indicate whether the statement is true or false
Budding is most common among which of the following?
a. corals b. birds c. lizards d. fish
As the predator population continues to increases, the prey population will eventually begin to _________
a. decrease b. increase c. remain unchanged
Which of the following statements about HER2 is incorrect?
A. A mutation can lead to an overproduction of HER2 on cells. B. It is a protein associated with the receptor for epidermal growth factor (EGF). C. Cells that produce too much HER2 can become cancerous. D. Cells that overproduce HER2 are killed preferentially by the immune system when monoclonal antibodies are given therapeutically. E. Most colon cancers have excess copies of this protein on their cells.