23., 24., 25, 26, and 27. Matching Section: Match each of the following enzymes

Question

23., 24., 25, 26, and 27. Matching Section: Match each of the following enzymes utilized in DNA synthesis with its correct function. 23. Ligase 24. Topoisomerase 25. Polymerase 26. Primase 27. Helicase a. relaxes the supercoil of the paternal DNA helical strands b. unwinds the paternal DNA helical strands c. produces RNA primers that add in part of DNA replication d. glues Okazaki fragments together e. adds the nucleotides bases to unwound maternal DNA to create the other half 28. In DNA_nitrogen base always binds tonitrogen base, while nitrogen base always to nitrogen base. ?. ?, G, ?, ? b. G, T, C,A c, A, T, G, C d. two of the above e. all of the above 29. The leading strand of the maternal DNA, makes its other half discontinuously, in Okazaki fragments while the lagging strand of the maternal DNA makes its other half continuously. a. True b. False 30. In eukaryotic cells, replication occurs in the_ while transcription occurs in the translation occurs in the and a. nucleus, cytoplasm, ribosome b. nucleus, ribosome, ribosome c. nucleus, cytoplasm, ribosome d. nucleus, nucleus, ribosome e. none of the above answers are correct 31., 32., and 33. Multiple Matching Section: Match the 3 parts of the gene expression up with their correct definition a. DNADNA b. RNA> Proteins C. DNA>RNA 31. Transcription 33. Translation

Explanation / Answer

23 ] Ligase -- [d] glues the okazaki fragments together

24 ] Topoisomerase--[a] relaxes the supercoil of the paternal DNA strands

25] Polymerase- [e] adds nucleotide bases to unwound maternal DNA to creat the other half.

26] Primase- [c] produces RNA primers that add in part of DNA replication

27] Helicase- [b] unwinds the paternal DNA strand

28] Option C-- A, T, G, C

29] True- because leading strand is made continuously and the lagging strand is discontinuous.Okazaki fragments are generated on the lagging strand.

30] Option [d] nucleus, nucleus , ribosome

Replication means the copying of the DNA strand in the nucleus

Transcription is the process of copying genetic information from one strand of DNA into RNA .

Translation is the process of synthesis of protein from the mRNA with the help of ribosomes.

31] Transcription-- [c] DNA --> RNA

32] Replication -- [a] DNA --> DNA

32] Transcription -- [b] RNA ---> Proteins

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