How is the field of bioinformatics indispensable for genomic research? What will be an ideal response?
ANSWER: The sheer size of most eukaryotic genomes required the development of new technologies,
including automated methods of DNA sequencing; advances in software to collect, analyze,
and store the information derived from sequencing; and the creation of Web-based databases
and research tools to access genome sequence information. Once a genome sequence has
been deciphered, it must be stored in a database so that it can be assembled and analyzed to
identify genes. A new field called bioinformatics was developed to use computer hardware
and software to store, analyze, visualize, and access genome sequence data.
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The prokaryotic chromosome is
A. held within a membrane-bound nucleus. B. localized to a nucleoid region. C. circular and loosely packed. D. composed of single-stranded DNA. E. linear and tightly wrapped around histone proteins.
Mitosis is a process of cell division that results in __________
A) two unique daughter cells B) four unique daughter cells C) two identical daughter cells D) three identical daughter cells E) four identical daughter cells
Increased sebum secretion can fuel the overgrowth of the opportunistic pathogen ________ in its normal habitat, leading to disease.
A. Propionibacterium acnes B. Streptococcus agalactiae C. viridians streptococci D. Mycoplasma pneumoniae E. Actinomyces
According to the phylogenetic tree above, fungi are more related to:
a. land plants. b. ambozoa. c. red algae. d. metazoans. e. bacteria.