Basepairing, helicase, Okazaki fragments, topoisomerase

Created March 2020, Offline version here

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1. Found in RNA and not in DNA
2. In DNA, this nitrogenous base pairs with cytosine.
3. Alternating molecules of sugar and ____ make up the backbone of a DNA strand.
4. What term is used to describe that one strand of a DNA double helix runs in a 5’ to 3’ direction and the other runs in a
5. The phase of interphase during which DNA replication occurs.
6. That DNA is transcribed to RNA which is translated to an amino acid sequence (a protein) is known as the _____ of biolog
7. A work around that accounts for DNA polymerase only being able to elongate a preexisting nucleotide. . (in one word)
8. What explains that, in a DNA, the amount of adenine present is always equal to the amount of thymine same for guanine an
9. A ___ reaction binds one nucleotide to another when a nucleic acid is formed.
10. One strand of DNA is used as a _____ for the building of a complementary strand.
11. _____ RNA is translated into an amino acid (protein) sequence.
12. The enzyme that “unzips” DNA during replication. (in one word)
13. The enzyme that unwinds DNA during replication.
14. _____ RNA brings amino acids to ribosomes.
15. Attaches DNA fragments together. (in one word)
16. The first stage of DNA replication.
17. This term applies to each new DNA double helix consists of one old and one new strand.
18. _____ is a structural component of ribosomes.
19. These fragments are formed because DNA polymerase can only read DNA is the 5’ to 3’ direction. (in one word)
20. Class of nitrogenous bases that are characterized by a double-ring structure.