What did the researchers conclude based on the data in figure (a)?
A. Endostatin shrunk tumors without development of resistance.
B. Endostatin shrunk tumors but resistance developed.
C. Cyclophosphamide delayed the growth of tumors without development of resistance.
D. Cyclophosphamide delayed the growth of tumors but resistance developed.
E. Tumors in untreated cells shrank in size.
A. Endostatin shrunk tumors without development of resistance.
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Lipids are important to biological systems because
A) they are solid at body temperature so they stabilize membranes. B) some lipid types are potentially large sources of energy to perform cellular work. C) most help to buffer aqueous solutions in the body. D) all lipids are very soluble in water. E) they are able to store and transmit genetic information.
three main abdominal accessory organs
What will be an ideal response?
Unfilled positions within an electron orbital tend to make the atom
A. unreactive. B. neutral. C. less reactive. D. more reactive. E. stable.
Some conifers shed their leaves seasonally.
Answer the following statement true (T) or false (F)