What is the definition of a carcinoma?
A. A cancer that is derived from skin or epithelial linings of internal organs or glands
B. A cancer that is derived from muscle, fat, and soft tissues
C. A cancer that is derived from blood and lymphatic systems
D. A cancer that is derived from brain and spinal tissue
Ans: A. A cancer that is derived from skin or epithelial linings of internal organs or glands
You might also like to view...
Mutation in a B group gene in Arabidopsis thaliana affects development in its flower's
a. first whorl only. b. second whorl only. c. third whorl only. d. first and second whorls. e. second and third whorls.
How is the HIV provirus different from a lambda-phage prophage?
A) The HIV provirus is integrated permanently into the host cell's DNA. B) All subsequent generations of HIV-infected cells carry the provirus. C) All the offspring of a cell infected with a prophage will contain the virus. D) The HIV provirus is inactive inside the host cell. E) Lambda phage-infected cells produce virus slowly over time.
Which of the following bonds is weakest?
a. ionic b. single covalent c. polar covalent d. nonpolar covalent e. hydrogen
A __________ (fungus-root) is a symbiotic
interaction between a fungus and a plant. Fill in the blank(s) with the appropriate word(s).