In what way will the discipline called metagenomics contribute to human health and welfare?
What will be an ideal response?
Metagenomics, also called environmental genomics, is the discipline that seeks to sequence genomes from ecosystems of microbes in samples of water, air, and soil. Such initiatives should aid in protecting our environment.
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Consider the phylogeny (Fig. 34.15) below. The group Dikarya has more species than all other taxa on the tree combined
Using only the information conveyed by the labeled phylogeny below, indicate which one of the following statements is a plausible explanation why this is so. A. The amount of available habitat is greater for members of the Dikarya. B. There hasn't been enough research done on the Chytrids, so there may be many more undescribed species. C. The evolution of hyphae allowed for rapid speciation of four of the five major groups of fungi. D. The Dikaryotic condition provides more genetic variation and opportunities for evolution of new species.
Differentiation is characterized by
A. cellular division and growth. B. body parts being shaped and patterned into a specific form. C. cells becoming specialized in structure and function. D. All of the choices are correct. E. None of the choices are correct.
Which part of an antibody molecule contains the variable regions of a heavy and light chain that fold into a groove that will interact directly with and bind to a specific antigen?
A. disulfide bonds B. Fc end C. Fab ends D. light chains E. heavy chains
Each codon on a DNA strand codes for:
A) a single amino acid. B) a protein. C) multiple amino acids. D) a single gene. E) multiple genes.