Which of the following groups is most closely related to the tracheophytes?
A. Bryophytes
B. Charophytes
C. Rhodophytes
D. Chlorophytes
A. Bryophytes
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Nonfermenting gram-negative rods isolated from respiratory samples from cystic fibrosis patients are difficult to identify using commercial systems. Thus, other testing platforms are being used to aid in accurate species identification. Which of the following systems has the advantage of a large curated database of proteomic profiles representative of many microorganisms and can give definitive
organism identification within minutes? a. Cellular fatty acid analysis b. MALDI-TOF mass spectrometry c. Multilocus sequence typing d. Ribotyping of 16S rRNA gene
The organism in the above photograph has
which of the following structural systems? a. cartilaginous b. bone c. hydrostatic d. chitinous e. endoskeletal
Cells become progressively committed to specific patterns of gene activity and developmental fate
through a process known as: a. morphogenesis. b. determination. c. cell differentiation. d. nonspecific differentiation. e. growth.
Parapodia are characteristic of oligochaetes. Indicate whether the statement is true or false