What is the difference between a benign and a malignant tumor?
A) Benign tumors are composed of cancer cells; malignant tumors are not.
B) Benign tumors are not the result of a failure of a cell cycle control system; malignant tumors are.
C) Benign tumors do not metastasize; malignant tumors do.
D) Benign tumors do not form lumps; malignant tumors do form lumps.
C
You might also like to view...
The first colonizers of bare rock are often:
a. angiosperms b. lichens c. mycorrhizae d. sac fungi e. zygote fungi
In the light-independent reactions, _____
a. carbon dioxide is fixed b. ATP forms c. sugars form d. CO2 accepts electrons e. [ATP forms] and [sugars form ] f. [carbon dioxide is fixed ] and [sugars form ]
Which of the following are biotic components?
A. trees, birds, insects, rainfall, and sunlight B. trees, birds, and insects only C. birds and insects only D. rainfall and sunlight only E. trees only
An elderly woman is experiencing fever, chest pain, difficulty breathing, and a cough that occasionally brings up mucus containing blood. She reports having visited family in rural New Mexico over the Labor Day weekend. A GMS-stained sample from her lungs shows the presence of large spherules. Which of the following is the most likely infecting agent?
A) Coccidioides immitis B) Blastomyces dermatitidis C) Histoplasma capsulatum D) Paracoccidioides brasiliensis E) Trichophyton rubrum