When caught early, breast cancer is often treated by

1.lumpectomy.
2.modified radical mastectomy.
3.radical mastectomy.
4.chemotherapy, alone.
5.radiation therapy, alone.


1

Biology & Microbiology

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Echinoderms can be best described as ________.

A. eukaryotic autotrophs that lack tissue, but have bilateral symmetry as larva, and a water vascular system B. eukaryotic heterotrophs with tissue, bilateral symmetry as larva, and a water vascular system C. eukaryotic autotrophs with tissue, bilateral symmetry as larva, and a water vascular system D. eukaryotic heterotrophs with tissue, bilateral symmetry as larva, and a blood vascular system

Biology & Microbiology

Four of the five structures listed below participate in

a common function. Select the exception. a. sensory neuron b. medulla c. interneuron d. effector e. receptor

Biology & Microbiology

What drives the process of transpiration?

a. upward pressure as sugar is forced into the roots b. evaporation c. pumping by the xylem cells d. passive transport

Biology & Microbiology

Which of the following is one method in which a change in the DNA leads to genetic changes in a population?

A) mutation B) founder effect C) genetic drift D) bottleneck effect

Biology & Microbiology