Groups of the same cell type that serve a particular purpose are called:
a. colonies.
b. organs.
c. organ systems.
d. tissues.
e. functional clusters.
D
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The major advantage of immunofluorescent microscopy assays is that:
a. extensive training is not necessary. b. it serves as an excellent way to preserve the reaction for referral and archiving. c. visual assessment of the adequacy of a specimen is possible. d. fluorescent microscopes are easily ac-cessible to most laboratories.
If an E. coli strain typically has 50 loop domains, how many total base pairs might this bacteria have in its chromosome?
A. 500-2,000 B. 5,000-20,000 C. 50,000-80,000 D. 200,000-450,000 E. 5 billion
What are the differences between archaea and bacteria?
What will be an ideal response?
The transfer of electrons from one compound to another is equivalent to ____ transfer
a. heat b. energy c. oxygen d. enzymatic e. phosphorus