In therapeutic cloning, why are the embryonic cells used to treat an individual not rejected by that individual?
A. Because the individual's immune system is suppressed with drugs.
B. Because the embryonic cells are cloned from the same individual they are injected into.
C. They are rejected, and that is why this has not worked yet.
D. Because the cells are embryonic.
Answer: B
You might also like to view...
Answer the following statements true (T) or false (F)
1. Nitrogen is one of the most abundantly applied fertilizers worldwide. 2. Aluminum is not an essential mineral for plants and therefore may cause toxicity. 3. When a mycorrhizal fungus associates with the roots of a plant, the fungus usually causes harm to the plant. 4. Inexpensive sources of phosphorus fertilizers are nearly exhausted.
Nitrogen fixation and nitrification are directly important processes for:
a. heterotrophic animals. b. heterotrophic bacteria. c. autotrophic organisms. d. fungi. e. viruses.
Prions cause disease by changing the way proteins ____________________. Fill in the blank(s) with the appropriate word(s)
In the lac operon, the product of structural gene lacZ is capable of ________
A) forming ATP from pyruvate B) forming lactose from two glucose molecules C) splitting the ?-linkage of lactose D) nonautonomous replication E) replacing hexokinase in the early steps of glycolysis