Genetic drift is the _____ in allele frequencies from generation to generation and is especially important in _____ populations
A. random change; small
B. random change; large
C. change due to selection; small
D. change due to selection; large
E. none of these
A
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Which of the following tissue types are attached to a basal lamina or basement membrane?
A. nervous B. muscular C. epithelial D. connective E. cartilaginous
A common larval form of barnacles is the cyprid larva
Indicate whether the statement is true or false
If tyrosine and isoleucine undergo condensation, where does the new bond form?
a. Between carbon of the R group and the nitrogen of the amino group b. Between oxygen of the R group and the hydrogen of the amino group c. Between carbon of the carboxyl group and the hydrogen of the R group d. Between carbon of the carboxyl group and the hydrogen of the amino group e. Between carbon of the carboxyl group and the nitrogen of the amino group
The circulatory fluid in echinoderms is _____.
a) blood b) mesohyl c) water d) saline