HRW BIO CRF Ch 01_p01-52
HRW BIO CRF Ch 01_p01-52
HRW BIO CRF Ch 01_p01-52
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Name Class Date<br />
Test Prep Pretest continued<br />
24. Why do scientists think that introns and exons contribute to evolutionary<br />
flexibility<br />
25. Describe the three ways that mutation can alter genetic material.<br />
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Holt Biology 20 How Proteins Are Made