Restriction endonucleases are especially useful if they generate "sticky" ends. What makes an end sticky?
A) blunt ends
B) 5' cap
C) single-stranded complementary tails
D) 3' cap
E) poly-A sequences
C
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Bacteria that live attached to surfaces are described as ________, whereas bacteria that are free-living, floating with a fluid environment are described as ________.
Fill in the blank(s) with the appropriate word(s).
ALL viral particles
A) are metabolically inert. B) are smaller than bacterial cells. C) contain an envelope to prevent its degradation outside of a host. D) exhibit cell lysis under a particular condition.
Deoxyribonucleic acid is used for: (choose all that apply)
A. transmission of information. B. storage of information. C. biological catalysis. D. energy storage. E. cell-to-cell communication.
cPlasmodesmata of plant cells are functionally equivalent to __________ of animal cells
a. gap junctions b. dermatomes c. tight junctions d. cell surface receptors e. microvillus