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Helicase uses free energy from ATP to break the hydrogen bonds between the double helix of the DNA. It breaks the bonds between adenine and thymine, and guanine and cytosine. This unzips the double helix structure.
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∙ 13y ago
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What is responsible for unwinding and unzipping the double helix?
To 'unwind' the double helix for protein synthesis, enzymes called DNA Helicases cause the two parent DNA strands to unwind and separate from one another in both directions. And im only 15
Explain the replication of DNA Include the role of helicase?
1. Helicases unwind the double helix at the replication fork and single strand binding proteins (SSBs) stablilize unwound DNA ahead of the fork.
Why important of helicase?
To unwind the DNA double helix
How do DNA gyrases and helicases differ in their respective functions and modes of action?
Helicases are involved in the unwinding of DNA double helix at the replication fork. When one part of the DNA is unwound the other part is overwound which exerts strain. DNA gyrases introduces negative supercoiling to reduce the strain.
What is the shape of the DNA molecule known as?
Double Helix :D
True or false Helicases unwind the double helix of DNA by breaking the nitrogen bonds that link the hydrogen bases?
Hydrogen bonds.
What is responsible for unwinding and unzipping the double helix?
To 'unwind' the double helix for protein synthesis, enzymes called DNA Helicases cause the two parent DNA strands to unwind and separate from one another in both directions. And im only 15
Explain the replication of DNA Include the role of helicase?
1. Helicases unwind the double helix at the replication fork and single strand binding proteins (SSBs) stablilize unwound DNA ahead of the fork.
Why important of helicase?
To unwind the DNA double helix
What must occur before replication can?
the double helix must unwind
How do DNA gyrases and helicases differ in their respective functions and modes of action?
Helicases are involved in the unwinding of DNA double helix at the replication fork. When one part of the DNA is unwound the other part is overwound which exerts strain. DNA gyrases introduces negative supercoiling to reduce the strain.
What is the enzyme that unwinds DNA prior to replication?
DNA Helicase unwinds the DNA strand in the specific location for it to be transcribed.
what is the shape of a DNA?
double helix
What is the shape of the DNA molecule known as?
Double Helix :D
What type of structure is the DNA?
Double Helix
What molecule has the shape of a double strand helix?
DNA, and the shape is also known as a double helix.
What is a double helix DNA or RNA?
Both DNA and RNA can exist in the double helix form, but only DNA is completely stable as a double helix. The double helix RNA is usually only short "hairpin" sections folding back on itself, never the long essentially linear form of double helix DNA.
