Which of the following statements about the differences between prokaryotic and eukaryotic genomes is FALSE?
A. Prokaryotic genomes are less complex than eukaryotic genomes.
B. Prokaryotic genomes have centromeres, whereas eukaryotic genomes do not.
C. Eukaryotic genomes have telomeres, whereas prokaryotic genomes do not.
D. Prokaryotic genomes have one origin of replication, whereas eukaryotic genomes have multiple origins of replication.
E. Chromosomes of prokaryotes have little repetitive DNA compared with chromosomes of eukaryotes.
B. Prokaryotic genomes have centromeres, whereas eukaryotic genomes do not.
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Wastewater plants are usually constructed to handle both domestic and industrial wastes
Indicate whether the statement is true or false.
A friend who is not a biologist tells you that she grows irises from iris roots. You explain to her that the "root" she is planting is not a root, but instead is called a rhizome. "Why?" she asked. You explain:
A. "A root grows vertically, not horizontally." B. "A rhizome has nodes and internodes and is really a modified stem that can exist underground." C. "A root stores nutrients, but rhizomes are underground stems that do not store nutrients." D. "A rhizome, although a modified stem, acts as a root does. In other words a rhizome is a stem-root combination." E. "A rhizome is a modified root that is able to grow leaves."
It is difficult to decide whether many behaviors should be considered abnormal behaviors or just
variants. Indicate whether the statement is true or false.
Which of the following form conidiospores?
A) endospore-forming gram-positive rods and cocci B) actinomycetes and related organisms C) rickettsias D) anaerobic gram-negative cocci E) spiral and curved bacteria