Normal cellular genes that can be mutated into cancer-causing genes are known as
A) oncogenes.
B) growth factors.
C) proto-oncogenes.
D) viral proteins.
Ans: C) proto-oncogenes.
You might also like to view...
Biological fitness is best defined as
A) A heritable trait that increases the match of an individual to its environment. B) Variability in the population for a trait that increases survival. C) Relative the ability of an individual to produce offspring that survive and reproduce. D) Competition among individuals for resources that allow them to have more offspring. E) Similar reproductive success among individuals in a population.
How do the muscles in your arm extend your arm outward?
A. The muscles in your arm push on the bones, causing your arm to extend. B. The muscles in your arm relax, and the tendons pull the arm straight. C. The top half of your bicep wraps around underneath the elbow like a rope over a pulley. When it contracts, the arm is pulled out straight. D. Some muscles in your arm relax, and others contract, pulling the arm straight.
The Casparian strip is associated with the
a. epidermis. b. vascular tissue. c. cortex. d. root hairs. e. endodermis
There is significantly more genetic variation between human populations than within them
a. True b. False