The difference between benign and malignant tumors is that
A) benign tumors have not lost growth control.
B) benign tumors do not stimulate angiogenesis.
C) benign tumors have not spread to other sites.
D) malignant tumors are adherent.
E) benign tumors are cancers, while malignant tumors are not.
C) benign tumors have not spread to other sites.
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Which one of the following are muscles that can contract, making the lens rounder to focus on close objects, and can relax to flatten the lens, enabling focus on distant objects?
A. iris B. lens muscles C. ciliary muscles D. lateral rectus muscle
A covalent bond is likely to be polar when _____
A) one of the atoms sharing electrons is more electronegative than the other atom B) the two atoms sharing electrons are equally electronegative C) carbon is one of the two atoms sharing electrons D) the two atoms sharing electrons are the same elements
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Figure 34.4A
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Use the posterior pituitary function illustration above to answer the following question.
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The synthesis site for the hormones of this figure is indicated by the letter ____.
A. A B. B C. C D. D E. E
The pancreas does not secrete ________.
A. bile B. lipase C. glucagon D. bicarbonate E. chymotrypsin F. amylase