Which of the following generalities about genomes is true?
(a) All vertebrate genomes contain roughly the same number of genes.
(b) All unicellular organisms contain roughly the same number of genes.
(c) The larger an organism, the more genes it has.
(d) The more types of cell an organism has, the more genes it has.
(a)
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What aspect of cellular respiration occurs in the cytoplasm in eukaryotic cells?
A. Glycolysis B. Pyruvate oxidation C. The Krebs cycle D. The electron transport chain E. ATP synthesis
A researcher wants to determine if a unicellular organism he discovered is an autotroph or a heterotroph
He radioactively labels the carbon in CO2 and C6H12O6, and exposes one culture of his organism to the labeled CO2 and another culture to the labeled C6H12O6. What would happen if his organism is an autotroph? A. Labeled carbon would be seen in the carbohydrates of CO2-exposed organisms. B. Labeled carbon would be seen in the carbohydrates of C6H12O6-exposed organisms. C. Labeled carbon would not be seen in the carbohydrates of either culture. D. Labeled carbon would be seen in carbohydrates of both cultures.
True or False: It is thought that some forms of communication have evolved from a behavioral process called ritualization
A. true B. false
What enzyme phosphorylates MAP kinase kinase?
A. MAP kinase B. MAP kinase kinase C. MAP kinase kinase kinase D. MAP phosphatase