A grouping that includes an ancestor and some, but not all, of the descendants of that ancestor is described as:
A. paraphyletic.
B. polyphyletic.
C. monophyletic.
D. convergent.
E. analogous.
A
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The primary drug of choice for infections caused by S. maltophilia is:
a. a <-lactam agent in combination with an aminoglycoside antibiotic. b. trimethoprim-sulfamethoxazole. c. ticarcillin and clavulanic acid. d. chloramphenicol.
The primary component making up the cell walls of bacteria is
A. peptidoglycan. B. glucose. C. All answers are correct. D. cellulose. E. chitin.
What is a syndrome?
A) a characteristic facial appearance B) a trait that leads to cancer at some stage in life C) a group of traits typically found in conjunction with a particular chromosomal aberration or gene mutation D) a specific characteristic that appears in conjunction with one specific aneuploidy
Unlike members of domain Bacteria, most archaeans have linear chromosomes.
Answer the following statement true (T) or false (F)