Transposons can be found on many genetic elements, including plasmids, chromosomes, and viral genomes
Indicate whether the statement is true or false.
Answer: TRUE
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In ____________________ membranes, layers secrete fluid that fills the space between the two surfaces. Fill in the blank(s) with the appropriate word(s)
People who interpret stress as challenging and interesting rather than threatening or frustrating are exhibiting _____.
A. Type B thinking B. Type A thinking C. hardiness D. foolishness
An insect population that becomes resistant to a commonly used insecticide is an example of ________.
A. natural selection B. a founder effect C. disruptive selection D. genetic drift E. gene flow
For each of the following sentences, choose one of the options enclosed in square brackets to make a correct statement
Starting with a single diploid cell, mitosis produces [two/four] [identical/different] [haploid/diploid] cells, whereas meiosis yields [two/four] [identical/different] [haploid/diploid] cells. This is accomplished in meiosis because a single round of chromosome [replication/segregation] is followed by two sequential rounds of [replication/segregation]. Mitosis is more like meiosis [I/II] than meiosis [I/II]. In meiosis I, the kinetochores on sister chromatids behave [independently/coordinately] and thus attach to microtubules from the [same/opposite] spindle. The cohesin-mediated glue between [chromatids/homologs] is regulated differently near the centromeres than along the chromosome arms. Cohesion is lost first at the [centromeres/arms] to allow segregation of [chromatids/homologs] and is lost later at the [centromeres/arms] to trigger segregation of [chromatids/homologs].