Sister chromatids separate during _____ of mitosis and _____ of meiosis
a. anaphase; anaphase I
b. anaphase; anaphase II
c. anaphase II; anaphase II
d. metaphase; metaphase I
e. metaphase; metaphase II
ANSWER: b
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Which of the following can control mRNA stability?
A. The stop codon that is used to terminate translation in the mRNA B. AU rich elements in the mRNA C. distance of the stop codon to the polyA tail D. number of A's in polyA tail
Evidence for the endosymbiotic theory includes ____
a. RNA in prokaryotes, mitochondria, and chloroplasts arranged in a single, circular genome b. endocytosed cells observed to survive in the cytoplasm of the host cell c. endocytosed organelles observed to survive free in the environment d. fossils of prokaryotic cells in the process of endocytosing cyanobacteria e. rRNA sequences that are unique to prokaryotes, mitochondria, and chloroplasts
DNA microarrays are used when studying the
a. genome b. transcriptome c. proteome d. interactome e. ribosome
A somatic cell from a garden pea normally contains 14 chromosomes. How many sister chromatids would that cell contain during G1 of the cell cycle?
A. 7 B. 14 C. 0 D. 28