Results from the study of globin variants indicate that
A. all amino acid substitutions cause severe phenotypic effects.
B. the alteration of one amino acid can cause a genetic disease.
C. extended chains do not function to carry oxygen.
D. all mutations in globin are caused by changes in amino acids.
E. none of these is indicated.
B
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Which structures are unique to chitons?
a. planospiral shells b. pallium c. esthetes d. operculum
In order to facilitate polymerization, monomers must be ________
Fill in the blank with correct word.
Scientists believe that mitochondria may have evolved from bacteria because ____
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