Finding the ________ virus in chickens established the first association between viral infection and cancer
Fill in the blank with correct word.
Answer: Rous sarcoma
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Which of the following is NOT true about
restriction enzymes?
a. Restriction enzymes recognize specific DNA sequences. b. Restriction enzymes cut DNA independently of its origin. c. Restriction enzymes recognize specific nucleotide sequences. d. Restriction enzymes cut RNA or DNA sequences at specific sites. e. More than one of these is NOT true.
In a severe allergic reaction, a person's tongue can swell up, effectively blocking the air passageways. An emergency procedure can be performed to restore airflow
Basically, a hole is cut into the passageways below the blockage to allow air to flow into the lungs. What passageway would be best for the surgical hole?
Do you feel there is any harm in cloning mammals? Why? Why not?
What will be an ideal response?
When bird populations migrate and mix with populations that do not migrate, ________ will occur.
A. gene flow B. gene blending C. genetic drift D. mutation