how was EBV-1 discovered?
What will be an ideal response?
Tony Epstein and Yvonne Barr isolated EBV from cell free tumor filtrates in 1964.
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A DNA molecule that enters a bacterium by one of several mechanisms is called a(n)
A. merozygote. B. endogenote. C. exogenote. D. None of the choices are correct.
Roots are capable of which types of growth?
A. primary growth only B. secondary growth only C. both primary and secondary growth D. apical growth only E. lateral growth only
Suppose an organism has an enzyme that repairs changes in its DNA. The result is a decrease in mutations. This trait would definitely influence the organism's ability to
A) evolve. B) obtain energy. C) maintain homeostasis. D) move.
Cleavage occurs after implantation into the lining of the uterus.
Answer the following statement true (T) or false (F)