Topoisomerase: – A. Separates the DNA strands at the origin – B. Keeps the single-stranded DNA regions from coming back together – C. Re-coils the DNA into a helix after replication is complete – D. Breaks DNA backbone to remove tension produced by the helicase – E. Breaks hydrogen bonds between DNA and the RNA … Read more
1 Answer
What kind of cells need cell replication of their telomeres?
1 Answer
If the problem of the telomeres were not solved, what would happen?
1 Answer
What percent of all human cancers have high levels of telomerase?
1 Answer
A repeating DNA sequence at the end of chromosomes that prevents them from losing base pair sequences at their ends and from fusing together is— – A telomere – A telomerase – A replicon – A primer – A promoter
1 Answer
All are part of a nucleotide except— – Pentose sugar – Nitrogenous base – Phosphate group – Fatty acid tail – All of the above are parts of a nucleotide
1 Answer
A DNA strand has the sequence 5′ ATCGTTATGCAA 3′. What would be the sequence of the complementary strand?
1 Answer
The enzyme that stitches Okazaki fragments together on the lagging strand is— – DNA polymerase II – DNA polymerase III – Topoisomerase – DNA ligase – DNA helicase
1 Answer
You synthesized a new peptide in your lab, which is permeable to the cell membrane. When you added it to eukaryotic cells, you noticed that the cells do not divide and eventually die. Upon further analysis, you discovered that a small replication bubble forms but does not last long, and the strands come back together. … Read more
1 Answer
BNO Team