Medical term:
helicases
helicase
(hel-ĭ-kāz),A general term describing enzymes capable of unwinding the DNA double helix beginning at the replication fork.
See also: Werner syndrome.
See also: Werner syndrome.
Farlex Partner Medical Dictionary © Farlex 2012
helicase
An enzyme that breaks the hydrogen bonds between the BASE PAIRS in DNA thus separating the two strands of the double helix in the process of replication. Helicase works in conjunction with single-strand binding proteins that attach to the outer side of each single strand preventing the two from rebonding so that two rows of free-ended bases are left as templates on which new complementary strands can be formed.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
helicase
an ENZYME that can unwind a NUCLEIC ACID DUPLEX. It disrupts the hydrogen bonds and requires ATP to function.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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