If the allele frequency of a population of ducks
changes from one generation to the next, the
population is undergoing
a. genetic equilibrium.
b. upheaval.
c. macroevolution.
d. transition.
e. microevolution
E
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Even the replication of DNA and the expression of genes depend on the action of ____________________
Fill in the blank(s) with correct word
Fungi and animals have which of the following similarities in biochemical pathways?
a. pathways for producing chitin b. pathways for making hydroxyproline c. pathways for making the protein ferritin d. pathways for producing chitin and making cell walls e. pathways for producing chitin and for making hydroxyproline and the protein ferritin
Based on current knowledge about the conditions of early Earth, the first organisms were most likely
A) anaerobic eukaryotes. B) photosynthetic eukaryotes. C) anaerobic prokaryotes. D) photosynthetic prokaryotes. E) multicellular eukaryotes.
Mitochondria transfer ________ energy from ________ to ATP; chloroplasts transform ________ energy into the chemical energy of ATP.
A) chemical . . . food . . . light B) nuclear . . . light . . . food C) food . . . light . . . chemical D) food . . . light . . . nuclear E) light . . . food . . . kinetic