Which of the following methods may introduce foreign DNA into a recipient?
A) transformation
B) transduction
C) conjugation
D) transformation, transduction, and conjugation
Answer: D
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Conifer sporophytes are longer-lived, and anatomically and morphologically more complex than other
gymnosperms.
Indicate whether the statement is true or false.The atomic number of an atom refers to its ____
a. mass or weight b. number of protons c. number of protons and neutrons d. number of neutrons e. number of electrons
Which of the following would have the smallest number of hydrogen ions (H+)?
A. A solution with the pH 2 B. A solution with the pH 6 C. A container of acetic acid (vinegar) D. A container of a strong base
Darwin's main tenet of natural selection was
A. that only the oldest live to reproduce. B. only those that are most suited to the conditions at the time survive to reproduce. C. every organism has the potential to produce more offspring than can survive. D. Both A and B are correct. E. Both B and C are correct.