Biology Practice Test 9 ANSWER KEY 11/20/08 1 A. mitosis E ...

Biology Practice Test 9 ANSWER KEY 11/20/08 2 Completion Write a word or words to complete the statements below. 18. Cells divide to repair tissues, to grow, and to reproduce. 19. A gene is a piece of DNA that codes for a certain trail such as eye color. 20. ................
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