A confidence interval can be constructed for which of the following population parameters?
A. Population standard deviation
B. Population variance
C. Population mean
D. All of the answers are correct.
Answer: D
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Why is green fluorescent protein (GFP) very useful in visualizing fusion proteins in eukaryotes?
A. The reaction is only dependent on the presence of GFP and ATP. B. It is easily cloned and expressed in bacterial cells. C. The presence of just a few molecules of GFP fusion proteins can be sufficient to create fluorescence. D. It is derived from fireflies, which are easy to cultivate in the lab. E. The GFP protein recognizes and binds to fusion proteins, allowing the location of the fusion protein to be determined.
DNA is coiled into a tight spiral and makes up the ____________ that are the genetic material in a cell
a. genes b. amino acids c. enzymes d. nucleus e. chromosomes
Which is the correct arrangement of cytoskeletal components, sorted by increasing width?
a. cilia, microfilament, microtubule, intermediate filament b. microfilament, cilia, intermediate filament, microtubule c. microfilament, intermediate filament, microtubule, cilia d. microtubule, cilia, intermediate filament, microfilament
A protist cell may contain
a. a nucleus. b. a cytoskeleton. c. more than one chromosome. d. Golgi bodies. e. all of these