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What are repetitive DNA sequences in the ends of chromosomes called?
Telomeres
The ends of DNA molecules form structures called what?
Chromatin Threads
Single stranded pieces of DNA left on both margins of a ristriction fragment of DNA that has been cut with a restriction enzyemare called?
sticky ends
An enzyme called what is added to attach the DNA backbone between vector and foreign DNA that have formed base pairs at the sticky ends during the formation of recombinant dna?
D ligase
Fragments of DNA that have complementary sticky ends?
These fragments are called cohesive ends. They have short, single-stranded overhangs that can base pair with complementary overhangs on another DNA fragment. This allows for the fragments to be easily ligated together to form a larger DNA molecule.
What are the unpaired nucleotides produced by the action of restriction enzymes referred to as?
The unpaired nucleotides produced by the action of restriction enzymes are referred to as sticky ends due to their single-stranded overhangs that can base pair with complementary sequences. These sticky ends are useful for facilitating the insertion of a piece of DNA into a plasmid during molecular cloning.
What are repetitive DNA sequences in the ends of chromosomes called?
Telomeres
The ends of DNA molecules form structures called what?
Chromatin Threads
How many unpaired electrons does Lutetium have?
Lutetium (Lu) has no unpaired electrons because it is a transition metal and its electron configuration ends in a fully-filled d subshell.
What are stick ends?
the enzymes cause sticky ends to form------------------------------------------------the question is WHAT ARE STICKY ENDS, not how are sticky ends formed.the answer is "single stranded pieces of DNA left at the ends of restriction fragmants"-simone :)The actual answer is: single-stranded ends of fragments of double-stranded DNA
How are the cleaved DNA fragments from two sources able to recombine?
Sometimes, when the cleaved DNA fragments both have sticky ends, they naturally anneal due to complementary base pairing. However, an enzyme called DNA Ligase is used for joining cut strands of DNA together. There is a ligase called t4 Ligase that joins blunt ends because it is stronger.
Single stranded pieces of DNA left on both margins of a ristriction fragment of DNA that has been cut with a restriction enzyemare called?
sticky ends
An enzyme called what is added to attach the DNA backbone between vector and foreign DNA that have formed base pairs at the sticky ends during the formation of recombinant dna?
D ligase
Fragments of DNA that have complementary sticky ends?
These fragments are called cohesive ends. They have short, single-stranded overhangs that can base pair with complementary overhangs on another DNA fragment. This allows for the fragments to be easily ligated together to form a larger DNA molecule.
Which enzymes joints 2 ends of DNA?
DNA ligase
In the replication of DNA what kind of molecule bonds with an unpaired cytosine mucleotide?
In DNA replication, an unpaired cytosine nucleotide can bond with a guanine nucleotide due to complementary base pairing. This interaction forms a hydrogen bond between the cytosine and guanine bases, helping ensure accurate duplication of genetic information.
A restriction enzyme is likely to cut which kind of molecules?
DNA molecules. A strand of DNA molecules can be cut to have blunted ends or jagged ends (sticky ends).
