Question 7 0.25 Which of the following is TRUE considering telomeres? (Choose AL

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Question 7 0.25 Which of the following is TRUE considering telomeres? (Choose ALL correct answers) telomeres contain repeated sequences telomeres contain important protein-coding genes telomeres are found on both ends of linear chromosomes telomeres are lengthened in all cells every time they divide in a multicellular organism Question 8 0.25 pts Why do we need topoisomerases? (Choose ONE best answer) to relieve ''twisting'' in the DNA helix caused by the separation of template strands to add short primers to template DNA strands to synthesize the leading strand of DNA to copy the ends of chromosomes

Explanation / Answer

Telomeres are a region of repititive nucleotide sequence, these are found on both ends of linear chromosomes. They do not contain protein coding genes and each time a cell divides the telomeres get shorter.

Topoisomerases are needed to relieve twisting in the DNA helix caused by the separation of template strands

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