Which of the following enzymes is involved in extending the ends of linear chromosomal DNA?
a. telomerase
b. ligase
c. primase
d. RNA polymerase
e. DNA polymerase a
Answer --- A---- Telomerase
Telomerase extends end of chromosomes by adding repeat sequences..
Which of the following enzymes is involved in extending the ends of linear chromosomal DNA? a....
16. Which of the following enzymes adds DNA to the ends or material with duplication? a. Telomerase b. Polymerase d. Primase e. Ligase 1. Which of the following structures indicates where DNA replication begins a. DNA polymerase III b. Replication fork C. Helicase d. Origin of replication e. Centromeres 18. A select mutation is causing a cell lineape to be unable to replicate DNA SUccessfully NA successfully. When observed under a microscope, researchers observe that the DNA is able to...
of chromosomes to avoid loss of gene 16. Which of the following enzymes adds DNA to the ends of chromos material with duplication? a. Telomerase b. Polymerase c. Helicase d. Primase e. Ligase " Which of the following structures indicates where DNA replication ructures indicates where DNA replication begins?
Which of the following enzymes joins the paired sticky ends of DNA fragments? a. reverse transcriptase b. restriction enzymes c. DNA ligase d. DNA polymerase e. helicase
1)Repairing damaged DNA is essential to maintaining the integrity of the genome. One type of repair is known as nucleotide excision repair. In this system, which order do the necessary enzymes act? A) exonuclease, DNA polymerase III, RNA primase B) helicase, DNA polymerase I, DNA ligase C) DNA ligase, nuclease, helicase D) DNA polymerase I, DNA polymerase III, DNA ligase E) endonuclease, DNA polymerase II, DNA ligase 2) What might be the result if all cells had functioning telomerase? A)...
4. Telomerases... a) are RNA-containing enzymes involved in replicating the ends of linear chromosomes b) cause aging in cells c) are structures located at the ends of eukaryotic chromosomes d) are needed by bacteria to complete synthesis of their chromosome ends e) are needed by bacteria to supercoil DNA 5. DNA methylation a) Modifies bases of tRNA molecules, allowing wobble b) Alters the activity of DNA polymerase by affecting access to the DNA c) Is a modification of histone tails...
49. Which one of these enzymes is involved in the process of transcription? helicase primase gyrase DNA polymerase RNA polymerase nearumning genes have at their terminals
QUESTION 4 Which of the following provides the free 3'-OH group for DNA polymerase to fill in the ends of telomere DNA? O A. The end of the previous Okazaki fragment. O 0 The RNA primers laid down by primase. o O C. The RNA bound to telomerase. OD. The ends are filled in by RNA polymerase which does not require a free 3'-OH group.
15. The term that describes the directionality of the two strands in DNA Is A antidirectional B polydirectional Csemiparallel D. antiparallel E ntisequencial 16. Which of the following enzymes synthesis new DNA during DNA replication? ADNA primase B. RNA polymerase CONA polymerase D Helicase E DNA ligase 17. Which of the following enzymes generates a covalent bond between Okazaki fragments? A DNA primase B. RNA polymerase C DNA polymerase D Helicase E. DNA ligase strand. 18. During DNA replication Okazaki...
The short stretches of new DNA called Okazaki fragments produced on the lagging strand have the phosphodiester bonds between individual fragments catalyzed by a) ligase b) RNA polymerase c) telomerase d) primase e) ribosomes
1. A DNA base pair is _____ forming_____ hydrogen bonds a. C with T : two b. G with T : three c. A with C : three d. G with C : two e. A with T : two 2. the correct order of action of these enzymes in DNA replication is a. Helicase, primase, DNA polymerase, Ligase. b. transferase, primase, DNA polymerase , helicase c. DNA polymerase , ligase , helicase, primase d. ligase, primase , helicase ,...