A bivalent contains how many chromatids?
A. 2
B. 4
C. 8
D. Depends on the cell
B
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Which region of DNA contains the coding information for a protein in a eukaryote?
A. Exons B. Introns C. Enhancers D. Promoters
In a simple laboratory experiment, a researcher maintained two different species of single celled protists, Paramecium caudatum and Paramecium aurelia
He recorded population growth of each species individually and then mixed a similar number of individuals from each population and recorded their growth rates when living together. The graphs below represent the results of this experiment.
Turgor pressure in plant cells is
A. due in part to osmosis. B. a result of the walled cell being in a hypotonic environment. C. All of the answer choices are correct. D. the force of water against the inside of the cell wall. E. necessary to keep plants from wilting.
An organism with a haploid number of 10 will produce 1024 combinations of chromosomes at the end of meiosis
Indicate whether the statement is true or false