Nearly all viruses are constructed of
A. DNA with a protein wrapping, called a capsid.
B. RNA with a protein wrapping, called a capsid.
C. either DNA or RNA with a protein wrapping, called a capsid.
D. either DNA or RNA, however many do not have the capsid.
C. either DNA or RNA with a protein wrapping, called a capsid.
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Molecular homology can be compared by analyzing the
A. sequences of amino acids of various proteins in different species. B. elemental makeup of different species. C. positions of genes on the chromosomes of different species. D. vestigial structures of different species. E. protein structure during development.
Genomic ________ are collections of isolated genes maintained in cloning hosts.
A. books B. clones C. libraries D. digests E. DNA
How do fossils support the theory of common descent?
A) They are a record of some intermediate types of organisms that document the process of evolution. B) They can be easily and precisely dated by comparing the rock layers where they are found. C) They are found equally all over the world, so they explain all our questions about biogeography. D) They contain complete DNA genomes, so they can be compared to modern organisms.
Work with Staphylococcus aureus is supposed to be conducted in a BSL-3 lab.
Answer the following statement true (T) or false (F)