Exotoxins can be denatured by iodine to form ________, which are useful in vaccines.
Fill in the blank(s) with the appropriate word(s).
toxoids
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Barnacles on the bellies of whales or on the shells of mollusks are examples of:
A. mutualism B. predation C. commensalism D. amensalism E. parasitism
Which of the following is true about the chemical bonds found in proteins and nucleic acids?
A. Covalent bonds result when an electron is completely transferred to another atom such that the atoms are drawn together by electrostatic charges. B. Ionic bonds result when two atoms share electrons equally. C. Atoms having a small difference between their electronegativities are more likely to form covalent bonds. D. Ionic bonds are most likely to form between two metal atoms. E. The strength of a covalent bond can vary with the salt concentration of the environment.
True jellyfish belong to the class Scyphozoa of the phylum Cnidaria
Indicate whether the statement is true or false
If interference is complete, what would be the frequency of double crossovers?
A) 0.75 B) 2 C) 0.25 D) 0 E) 1