Which cellular shape is seen among members of domain Bacteria that is not found among the domain Archaea?
A. Comma shaped
B. Spiral or corkscrew shapes
C. Cocci
D. Bacilli
Answer: B
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___________ and ___________ are structures formed in the fruiting bodies of dikaryotic (n+n) fungi that produce spores
A. Basidia; asci B. Basidia; septa C. Septa; asci D. Basidia; chitins E. Chitins; asci
HeLa cells proved particularly useful to biologists because they ________
a. divide continuously in contrast to the limited number of divisions seen with typical cells b. differentiate into virtually any cell type when stimulated with the proper hormone c. are multinucleated d. are among the largest cells known
What is the most common population density pattern in habitats?
1.dispersed 2.random 3.migratory 4.clumped
DNA polymerases
a. are enzymes. b. add new nucleotides to a strand. c. catalyze hydrogen bonding. d. assemble new strands in a specific direction. e. are all of these.