The tension that holds the chromosomes at the metaphase plate during meiosis II results from

There is/are ______ microtubule(s) attached per pair of sister chromatids during meiosis I, and ______ microtubule(s) attached per pair of sister chromatids during meiosis II.

In the figure below, the green rings represent

After replication, the primer is removed by 

Mitotic CDKs regulate and activate

Incorrectly incorporated nucleotides have a higher affinity for DNA polymerase’s exonuclease domain because

Which of the following is an advantage of sexual reproduction?

The core DNA that wraps around the nucleosome in eukaryotes is ______, and the DNA wraps around the nucleosome ______.

Repeat expansion and contraction

Which RNA is complementary to dsRNA viruses, and is a response to infection?