Briefly describe three key differences between prokaryote genomes and the genomes of multicellular eukaryotes
What will be an ideal response?
Multicellular eukaryote genomes have large intergenic regions (or lots of mobile genetic elements) and the genes include introns, whereas prokaryote genomes have small intergenic regions (few mobile elements) and no introns. Finally, multicellular eukaryote genomes are larger than prokaryote genomes.
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This class of macromolecules serves as important energy stores and is a major component of plasma membranes.
A. lipids B. carbohydrates C. nucleic acids D. proteins E. ions
Which of the following is produced during the hydrogenation of vegetable oils?
a. HDLs b. LDLs c. trans fatty acids d. free radicals e. neuropeptide Y
Which statement about the domain Archaea is true?
A) Genetic prospecting has recently revealed the existence of many previously unknown archaean species. B) The genomes of archaeans are unique, containing no genes that originated within bacteria. C) No archaeans can inhabit solutions that are nearly 30% salt. D) No archaeans are adapted to waters with temperatures above the boiling point.
Suppose that a DNA change results in the substitution of one codon for another, and the new codon specifies a different amino acid from the original. What type of mutation has occurred?
a. a chromosomal mutation b. a missense mutation c. a frameshift mutation d. a silent mutation