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DNA Polymerase
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WHAT IS THE OLD STRAND OF DNA REPLICATION?
The old strand of DNA replication, often referred to as the "template strand," serves as the guide for synthesizing a new complementary strand during DNA replication. In this semi-conservative process, each new DNA double helix consists of one original (old) strand and one newly synthesized strand. This ensures that genetic information is accurately preserved and passed on during cell division. The replication occurs at specific sites called origins of replication, where various enzymes, including DNA polymerase, facilitate the process.
What enzymes assembles the complementary nucleotides bases during replication?
During DNA replication, the enzyme DNA polymerase assembles complementary nucleotide bases. It adds nucleotides to the growing DNA strand by matching them with their complementary bases on the template strand. Additionally, RNA primase synthesizes a short RNA primer that provides a starting point for DNA polymerase to begin replication.
What are the enzymes that are responisble for adding nucleotides to the exposed DNA bases during replication?
The enzymes responsible for adding nucleotides to the exposed DNA bases during replication are DNA polymerases. These enzymes catalyze the formation of phosphodiester bonds between adjacent nucleotides in the growing DNA strand based on the complementary base-pairing rule. Multiple types of DNA polymerases work together during DNA replication to ensure accurate and efficient synthesis of the new DNA strands.
During DNA replicationthe parental strand serves as a?
During DNA replication, the parental strand serves as a template for the synthesis of new daughter strands. Each parental strand guides the formation of a complementary new strand, ensuring that the genetic information is accurately copied. This process is facilitated by enzymes such as DNA polymerase, which add nucleotides to the growing strand based on the sequence of the template. As a result, two identical DNA molecules are produced, each containing one parental and one newly synthesized strand.
What enzymes is correctly paired with its role in DNA replication?
DNA ligase--> adds bases in the remaining gaps of sugar-phosphate backbone
What is the function of the single strand binding protein in DNA replication?
The single strand binding protein in DNA replication helps to stabilize and protect the single-stranded DNA during the replication process, preventing it from forming secondary structures and allowing enzymes to access the DNA for replication.
During dna replication each double helix produced consists of?
During DNA replication, each double helix produced consists of one original parental strand and one newly synthesized daughter strand. The parental strand serves as a template for the synthesis of the complementary daughter strand, resulting in two identical double helices.
Enzymes that move along each of the DNA strands during replication adding nucleotides to the exposed bases of what?
Enzymes such as DNA polymerase move along each DNA strand during replication, adding complementary nucleotides to the exposed bases of the template strand. This process ensures the accurate replication of the genetic information from one generation to the next.
WHAT IS THE OLD STRAND OF DNA REPLICATION?
The old strand of DNA replication, often referred to as the "template strand," serves as the guide for synthesizing a new complementary strand during DNA replication. In this semi-conservative process, each new DNA double helix consists of one original (old) strand and one newly synthesized strand. This ensures that genetic information is accurately preserved and passed on during cell division. The replication occurs at specific sites called origins of replication, where various enzymes, including DNA polymerase, facilitate the process.
How does DNA go from 3' to 5' during the process of replication?
During DNA replication, the new strand is synthesized in the 5' to 3' direction. The original DNA strand is read in the 3' to 5' direction, and the new strand is built by adding nucleotides in the 5' to 3' direction. This process is carried out by enzymes called DNA polymerases.
How do single strand binding proteins contribute to the process of DNA replication?
Single strand binding proteins stabilize the unwound DNA strands during replication by preventing them from re-forming into a double helix. This allows other enzymes and proteins involved in replication to access the single-stranded DNA and carry out the replication process efficiently.
What is the enzyme that correctly attaches new nucleotides to the open strand of the DNA called?
The enzyme responsible for attaching new nucleotides to the open strand of DNA is called DNA polymerase. It catalyzes the formation of phosphodiester bonds between adjacent nucleotides on the growing DNA strand during DNA replication.
What is the DNA strand that is synthesized continuously during DNA replication?
The leading strand is the DNA strand that is synthesized continuously during DNA replication. This is because the polymerase enzyme can add nucleotides in the 5' to 3' direction without interruption as the replication fork opens.
What causes DNA to split during the process of replication?
During the process of DNA replication, the DNA splits due to the action of enzymes called helicases. These helicases unwind the double helix structure of the DNA, allowing it to separate into two strands. This separation is necessary for the replication process to occur, as each strand serves as a template for the creation of a new complementary strand.
What enzymes assembles the complementary nucleotides bases during replication?
During DNA replication, the enzyme DNA polymerase assembles complementary nucleotide bases. It adds nucleotides to the growing DNA strand by matching them with their complementary bases on the template strand. Additionally, RNA primase synthesizes a short RNA primer that provides a starting point for DNA polymerase to begin replication.
True or False Enzymes known as DNA polymerase assemble new DNA strands into a proper base sequence during replication?
True. DNA polymerase enzymes are responsible for adding nucleotides to synthesize a new DNA strand during replication, ensuring that the correct base sequence is maintained.
What are the differences between the template and coding strands in DNA replication?
During DNA replication, the template strand is used as a guide to create a complementary copy, while the coding strand is not directly involved in the copying process. The template strand determines the sequence of nucleotides in the new DNA strand, while the coding strand has the same sequence as the RNA transcript that will be produced from the new DNA strand.
