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The process of replicating a DNA strand involves the separation of the two strands of the DNA double helix, followed by the synthesis of new complementary strands using the existing strands as templates. This process is carried out by enzymes called DNA polymerases, which add nucleotides to the growing strands in a specific order based on the sequence of the original DNA. The end result is two identical copies of the original DNA molecule.
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What was Watson and cricks hypothesis for DNA replicating?
Watson and Crick proposed that DNA replicates by unwinding the double helix structure, with each strand serving as a template for the creation of a new complementary strand. This process results in two identical DNA molecules, each containing one original strand and one newly synthesized strand.
What DNA is found in the cell nucleus?
there is no DNA in the cell nucleus however the cell nucleus is important to replicating a cell in DNA strand. (it supprots the chromatin that replicates the DNA)
Why is there a problem replicating the ends of linear DNA?
The problem with replicating the ends of linear DNA is due to the inability of DNA polymerase to complete replication all the way to the end of the DNA strand. This results in the loss of genetic information at the ends, known as telomeres, which can lead to issues such as cell aging and potential genetic instability.
Does the process of DNA replication result in a copy of the original strand of DNA?
The process of DNA replication is semi-conservative. Which means, in the new (daughter) DNA double helices that are formed, one strand belongs to the parent strand (also referred to as the template strand) and the other is a newly synthesized strand. Subsequently, every new DNA molecule that is formed as a result of the replication process has one original parent strand and one newly synthesized complimentary strand.
What is the semi-conservative process?
The semi-conservative process refers to DNA replication, where each newly synthesized DNA strand contains one original (parental) strand and one newly synthesized strand. This process ensures that each daughter cell receives a complete set of genetic information during cell division.
What was Watson and cricks hypothesis for DNA replicating?
Watson and Crick proposed that DNA replicates by unwinding the double helix structure, with each strand serving as a template for the creation of a new complementary strand. This process results in two identical DNA molecules, each containing one original strand and one newly synthesized strand.
What is replicating the lagging strand of DNA that is adding bases in the 3-5 direction utilizes what?
The lagging strand of DNA is replicated using a process called Okazaki fragments. These are short DNA fragments synthesized in the 5' to 3' direction by DNA polymerase, and are subsequently joined together by DNA ligase to form a continuous strand.
What DNA is found in the cell nucleus?
there is no DNA in the cell nucleus however the cell nucleus is important to replicating a cell in DNA strand. (it supprots the chromatin that replicates the DNA)
What cell is the nucleus found in?
there is no DNA in the cell nucleus however the cell nucleus is important to replicating a cell in DNA strand. (it supprots the chromatin that replicates the DNA)
What is the polarity problem in DNA replication?
The polarity problem in DNA replication arises from the antiparallel nature of the DNA strands, which means that one strand runs in the 5' to 3' direction while the complementary strand runs in the 3' to 5' direction. DNA polymerases can only synthesize new DNA in the 5' to 3' direction, leading to a challenge in replicating the lagging strand. This strand is synthesized discontinuously in short fragments called Okazaki fragments, which are later joined together. Thus, the polarity problem necessitates distinct mechanisms for replicating the leading and lagging strands.
Why is there a problem replicating the ends of linear DNA?
The problem with replicating the ends of linear DNA is due to the inability of DNA polymerase to complete replication all the way to the end of the DNA strand. This results in the loss of genetic information at the ends, known as telomeres, which can lead to issues such as cell aging and potential genetic instability.
Does the process of DNA replication result in a copy of the original strand of DNA?
The process of DNA replication is semi-conservative. Which means, in the new (daughter) DNA double helices that are formed, one strand belongs to the parent strand (also referred to as the template strand) and the other is a newly synthesized strand. Subsequently, every new DNA molecule that is formed as a result of the replication process has one original parent strand and one newly synthesized complimentary strand.
The location where DNA polymerase attaches to the DNA strand?
DNA polymerase attaches to the DNA strand at a specific region called the origin of replication. This is where the double-stranded DNA is unwound, creating two template strands for DNA synthesis to occur. DNA polymerase then begins replicating the DNA in a 5' to 3' direction.
What is the semi-conservative process?
The semi-conservative process refers to DNA replication, where each newly synthesized DNA strand contains one original (parental) strand and one newly synthesized strand. This process ensures that each daughter cell receives a complete set of genetic information during cell division.
What is used to make a new complementary strand of DNA?
The process of DNA replication.
What Replicates DNA by making a complementary copy of the original?
DNA replicates itself. What happens is, with the help of enzymes, the nitrogenous bases of DNA break away from each other, then copy themselves and re-attach. This process forms 2 strands of identical DNA.
Name of the DNA strand which is copied to make mRNA?
The DNA strand that is copied to make mRNA is the template strand of the gene. This strand serves as a template for the RNA polymerase enzyme to synthesize a complementary mRNA strand during the process of transcription.
