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EcoR1 creates sticky ends with a sequence of 5'-GAATTC-3'. This results in protruding ends with a 5' overhang on both strands of the DNA.

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Q: What sticky ends does EcoR1 create?
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Would it be easier for DNA ligase to reconnect two fragments cut by EcoR1 or one fragment cut by EcoR1 with one cut by Hind111?

It would be easier for DNA ligase to reconnect two fragments cut by EcoR1, as both fragments would have compatible overhangs that can anneal together. In the case of one fragment cut by EcoR1 and one cut by HindIII, the overhangs produced by the two enzymes are incompatible, making it more challenging for DNA ligase to join them together.


Which protein creates DNA fragments with sticky ends?

Restriction enzymes are proteins that can create DNA fragments with sticky ends by cleaving DNA at specific recognition sequences. The sticky ends refer to single-stranded overhangs that are complementary to each other, allowing for the fragments to easily anneal to each other during DNA recombination.


What kind of molecule is EcoR1?

EcoR1 is a restriction enzyme (endonuclease), which splits the phosphodiester bonds of the backbone of DNA.


What happens when a restriction enzyme leaves blunt ends?

The restriction enzymes have ability to cut on a specific sequences that are knwon as palandreomic sequences now they cut in two way i.e. blunt and sticky for e.g. if we have a sequece of ATTCGTAAGC it will be cutted in two way as ...................................................TAAGCATTCG 1. ATTCG......... TAAGC i.e., blunt or straight form all ends ....TAAGC .........ATTCG 2. ATT .................CGTAAGC ....TAAGCAT .................TCG i.e., sticky or uneven ends The reason for this phenomena is still not clear or knwon


Why do sticky ends have to be complementary?

Sticky ends need to be complementary in order to form hydrogen bonds between the bases of the nucleotides, which allows the two DNA fragments to anneal together and be ligated by DNA ligase. Without complementarity, the sticky ends would not be able to hybridize and join together efficiently.

Related questions

Would it be easier for DNA ligase to reconnect two fragments cut by EcoR1 or one fragment cut by EcoR1 with one cut by Hind111?

It would be easier for DNA ligase to reconnect two fragments cut by EcoR1, as both fragments would have compatible overhangs that can anneal together. In the case of one fragment cut by EcoR1 and one cut by HindIII, the overhangs produced by the two enzymes are incompatible, making it more challenging for DNA ligase to join them together.


Which enzymes does not make sticky ends?

Enzymes that do not create sticky ends include blunt-end cutting enzymes such as SmaI and PvuII. These enzymes produce blunt-ended DNA molecules with no overhangs, making them unsuitable for creating cohesive ends for ligation.


Which protein creates DNA fragments with sticky ends?

Restriction enzymes are proteins that can create DNA fragments with sticky ends by cleaving DNA at specific recognition sequences. The sticky ends refer to single-stranded overhangs that are complementary to each other, allowing for the fragments to easily anneal to each other during DNA recombination.


What is a sticky end?

A Sticky End, referring to Biology is recombinant DNA. After DNA has been cut by a restriction enzyme it has "sticky ends" or recombinant DNA at the ends.


What kind of molecule is EcoR1?

EcoR1 is a restriction enzyme (endonuclease), which splits the phosphodiester bonds of the backbone of DNA.


Why are sticky ends called sticky?

Sticky ends are called "sticky" because the single-stranded overhangs created by certain restriction enzymes can bind to another DNA molecule with a complementary overhang, leading to the joining of the two DNA molecules. The complementary pairing between the sticky ends creates a temporary connection, similar to how something sticky adheres to another surface.


Do cdnas have sticky ends?

Generally, cDNA's do not have sticky ends - also known as overhangs. However, if the research requires it, they can be engineered to have overhangs


What are stick ends?

Stick ends are the tips or ends of sticks or rods. They are often pointed or shaped in a way to help secure objects, provide stability, or facilitate manipulation. Stick ends can vary in design depending on their intended use.


What happens when a restriction enzyme leaves blunt ends?

The restriction enzymes have ability to cut on a specific sequences that are knwon as palandreomic sequences now they cut in two way i.e. blunt and sticky for e.g. if we have a sequece of ATTCGTAAGC it will be cutted in two way as ...................................................TAAGCATTCG 1. ATTCG......... TAAGC i.e., blunt or straight form all ends ....TAAGC .........ATTCG 2. ATT .................CGTAAGC ....TAAGCAT .................TCG i.e., sticky or uneven ends The reason for this phenomena is still not clear or knwon


Why there are sticky and blunt end produced in DNA?

sticky ends are more specific and easier to ligate


What does the term sticky ends refer to in gene splicing?

Sticky ends are produced by cutting the DNA in a staggered manner within the recognition site producing single-stranded DNA ends. These ends have identical nucleotide sequence and are sticky because they can hydrogen-bond to complementary tails of other DNA fragments cut by the same restriction enzyme.


Why do sticky ends have to be complementary?

Sticky ends need to be complementary in order to form hydrogen bonds between the bases of the nucleotides, which allows the two DNA fragments to anneal together and be ligated by DNA ligase. Without complementarity, the sticky ends would not be able to hybridize and join together efficiently.