What did the researchers conclude based on the data in figure (b)?

A. Cyclophosphamide slowed the growth of tumors but resistance developed.
B. Endostatin shrunk tumors but resistance developed.
C. Cyclophosphamide slowed the growth of tumors without development of resistance.
D. Tumors in untreated cells shrank in size.
E. Endostatin shrunk tumors without development of resistance.


A. Cyclophosphamide slowed the growth of tumors but resistance developed.

Biology & Microbiology

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Indicate whether the statement is true or false

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What is the smallest number of genes present in any known organism?

What will be an ideal response?

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