During DNA replication, the strands separate by:
Correct answer: C. Unwindase/helicase
- A. DNA polymerase
- B. Topoisomerase
- C. Unwindase/helicase
- D. Gyrase
Explanation
Helicase separates the two DNA strands by breaking hydrogen bonds.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
Practise Cell Structure and Function
2,478 free Cell Structure and Function MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Chromosomes questions
Khorana first deciphered the triplet codons of:
Genetic code consists of:
First step in DNA replication is:
An anticodon is an unpaired triplet of bases in an exposed position of :
If the sequence of bases in DNA is ATTCGATG, then the sequence of bases in its transcript will be:
Which of the following steps of translation does not consume a high energy phosphate bond?