EBK CAMPBELL BIOLOGY IN FOCUS
2nd Edition
ISBN: 8220101459299
Author: Reece
Publisher: PEARSON
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Chapter 1, Problem 11TYU
FOCUS ON INFORMATION
A typical prokaryotic cell has about 3,000 genes in its DNA while a human cell has almost 21,000 genes About 1000 of these genes are present in both types of cells. (a) Based on your understanding of evolution explain how such different organisms could have this same subset of 1,000 genes. (b) What sorts of functions might these shared genes have? Justify your choices
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Chapter 1 Solutions
EBK CAMPBELL BIOLOGY IN FOCUS
Ch. 1.1 - Starting with the molecular level in Figure 1.3,...Ch. 1.1 - Identify me theme or themes exemplified by (a) the...Ch. 1.1 - WHAT IF? For each theme discussed in this section...Ch. 1.2 - How is a mailing address analogous to biologys...Ch. 1.2 - Explain why editing is an appropriate metaphor for...Ch. 1.2 - DRAW IT Recent evidence indicates that fungi and...Ch. 1.3 - Contrast inductive reasoning with deductive...Ch. 1.3 - What qualitative observation led to the...Ch. 1.3 - Why is natural selection called a theory?Ch. 1.3 - How does science differ from technology?
Ch. 1 - All the organisms on your campus make up A. an...Ch. 1 - Which of the following best demonstrates the unity...Ch. 1 - Prob. 3TYUCh. 1 - Prob. 4TYUCh. 1 - Prob. 5TYUCh. 1 - DRAW IT With rough sketches, draw a biological...Ch. 1 - SCIENTIFIC INQUIRY Based on the results of the...Ch. 1 - Prob. 9TYUCh. 1 - FOCUS ON EVOLUTION In a short essay (100-150),...Ch. 1 - FOCUS ON INFORMATION A typical prokaryotic cell...Ch. 1 - SYNTHESI7F YOUR KNOWLEDGE Can you pick out the...
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