Which of the following has flagella that wave back and forth?
A. Archaea
B. Eukarya
C. Bacteria
Answer: B
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Many different structures make up a cell and have unique functions. Each cell structure is associated with a critical function in the cell. These pairings include
_____ microfilaments; cytoskeleton. _____ lysosomes; protein synthesis. _____ nucleus; DNA replication. _____cell membrane; barrier between the cell and the external environment _____ Golgi apparatus; modification, processing, and sorting of macromolecules.
In comparing mitosis and meiosis, which of the
following statements is true? a. Meiosis I is more like mitosis than is meiosis II. b. Both processes result in four cells. c. Pairing of homologues occurs in both. d. Chromatids are present only in mitosis. e. Meiosis II resembles mitosis
Groups of related but distinctly different genes that occur together in clusters are called
A. multigene families. B. tandem clusters. C. segmental duplications. D. single-copy genes.
Suppose you have the following regression results from a regression of home prices on house attributes for a random sample of house transactions: CoefficientsStandard ErrorIntercept16310.04114.5Number of Bedrooms7295.31399.9Number of Bathrooms23473.04032.0Given these results which additional condition would be sufficient to ensure number of bathrooms satisfies the "primary criteria" for a good control variable in attempting to identify the causal effect of number of bedrooms on house prices?
A. The number of bathrooms is correlated with the number of bedrooms. B. The number of bathrooms is correlated with house prices. C. The number of bedrooms is correlated with house prices. D. The p-value for the number of bedrooms.