Oncogenes are often ____
a. mutant forms of cell cycle genes
b. normal forms of cell cycle genes
c. needed for normal cells to metastasize
d. required for normal contact inhibition of cells
e. not involved in cell division
ANSWER: a
Biology & Microbiology
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Interbreeding groups of organisms of the same species living in the same geographical area are called ____
Fill in the blank with the appropriate word.
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The enzyme that catalyzes the initial processing of miRNAs in the nucleus is:
A. Drosha. B. Dicer. C. Argonaute. D. RNase A.
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Which of the following is NOT a primary taste?
a. sour b. creamy c. umami d. sweet e. bitter
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The Calvin Cycle can only produce sugar if ______can enter through the pores of the leaves.
A. O2 B. CO2 C. water D. potassium E. N2
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