Lampreys and salmon share a common behavior of being catadromous, meaning they migrate to freshwater to spawn
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false
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Which of the following amino acids is a target for phosphorylation by a protein kinase?
A. Tyr B. Ala C. Arg D. Gly
What are the reactants of the Calvin cycle?
a. CO2, H2O, and ATP b. CO2, ADP, and NADP+ c. CO2, ATP, and NADPH d. H2O, ATP, and NADPH e. H2O, ATP, and NADPH
Which go these observations gives the most support to the endosymbiotic theory for the origin of eukaryotic cells?
a. the existence of structural and molecular differences between the plasma membranes of prokaryotic and the internal membranes of mitochondria and chloroplasts b. the similarity in size between the cytosolic ribosomes of prokaryotes and the ribosomes within mitochondria and chloroplasts c. the size disparity between most prokaryotic cells and most eukaryotic cells d. the observation that some eukaryotic cells lack mitochondria
Premating isolation mechanisms occur when two species have different and incompatible mating behaviors
Indicate whether the statement is true or false