Human DNA and chimpanzee DNA differ by
A) about 1%.
B) about 3%.
C) more than 10%.
D) the same amount that human DNA differs from orangutan DNA.
Answer: A
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Drug therapies that target only cancer cells rather than all dividing cells in the body stop the growth of cancer by blocking the action of ____________________ proteins on the growth and division on malignant cells
Fill in the blank(s) with correct word
Laboratory strains of E. coli are desirable hosts because
A. it is easy to grow. B. its genetics is well known. C. it is especially able to express foreign genes. D. it has known phenotypic characteristics. E. All of the choices are correct.
The Hardy–Weinberg principle specifies the conditions under which a population of diploid organisms achieves ____
a. progressive evolution b. allopatric speciation c. adaptive radiation d. punctuated equilibrium e. genetic equilibrium
As radiation strikes molecules in cells, it creates ____
a. charged atoms called isotopes b. charged atoms called ions c. excess storage of tRNA d. excess copies of mRNA e. excess DNA polymerase