The incorporation of a single strand of donor DNA into a recipient DNA duplex so that the donor strand replaces one of the strands or the recipient duplex generates ________ DNA.
A. unstable
B. heteroduplex
C. aberrant
D. heterogeneous
Answer: B
Biology & Microbiology
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The covalent bond between a hydrogen atom and the oxygen atom in water is formed when:
a. hydrogen gains an electron from oxygen. b. hydrogen and oxygen share an electron pair. c. hydrogen and oxygen both lose electrons from their outer shells. d. hydrogen and oxygen both gain electrons in their outer shells. e. hydrogen gains an electron from oxygen.
Biology & Microbiology
The fertilization envelope forms during the acrosomal reaction Indicate whether the statement is true or false
Biology & Microbiology
Parasitic and scavenger fish
A) sharks and rays B) lamprey and hagfish C) bony fish D) coelacanths
Biology & Microbiology
The study of algae is referred to as ________.
A. mycology B. phytology C. phycology D. None of the choices are correct.
Biology & Microbiology