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Which enzymes joints 2 ends of DNA?
DNA ligase
At the DNA synthesis G2 checkpoint DNA replication is checked by 1 receptor proteins 2 Repair enzymes 3 electron transport chains 4 cell surface markers?
2 Repair enzymes. At the DNA synthesis G2 checkpoint, DNA replication is checked by repair enzymes that detect and repair any mistakes in the replicated DNA before the cell progresses to mitosis. Receptor proteins, electron transport chains, and cell surface markers are not directly involved in checking DNA replication at this checkpoint.
What is the difference between DNA polymerase I II and III?
DNA polymerase I, II, and III are enzymes involved in DNA replication in prokaryotes. DNA polymerase I is responsible for removing RNA primers during DNA replication and filling the gaps with DNA nucleotides. DNA polymerase II is involved in DNA repair pathways, particularly in response to DNA damage. DNA polymerase III is the main enzyme responsible for synthesizing a new DNA strand during replication. It has a high processivity and is the primary enzyme involved in synthesizing the leading and lagging strands of DNA.
What enzymes are involved in the seven characteristics of life?
Enzymes involved in the seven characteristics of life include: 1. Catalase for metabolism, 2. DNA polymerase for growth and reproduction, 3. ATP synthase for energy processing, 4. Lipase for homeostasis, 5. Ribonuclease for response to stimuli, 6. Protease for cellular organization, and 7. Telomerase for adaptation.
What cuts DNA into fragments?
Enzymes called restriction endonucleases, also known as restriction enzymes, are used to cut DNA into fragments at specific nucleotide sequences. These enzymes recognize and cut DNA at specific recognition sites, creating DNA fragments of different sizes. This process is commonly used in molecular biology for genetic engineering and DNA analysis.
Which enzymes joints 2 ends of DNA?
DNA ligase
At the DNA synthesis G2 checkpoint DNA replication is checked by 1 receptor proteins 2 Repair enzymes 3 electron transport chains 4 cell surface markers?
2 Repair enzymes. At the DNA synthesis G2 checkpoint, DNA replication is checked by repair enzymes that detect and repair any mistakes in the replicated DNA before the cell progresses to mitosis. Receptor proteins, electron transport chains, and cell surface markers are not directly involved in checking DNA replication at this checkpoint.
What enzymes help separarte the 2 strands of nucleotides on DNA?
DNA helicase
What is the principle enzyme involved in DNA replication?
Two of the enzymes involved in DNA replication are helicase and DNA polymerase. Helicase unwinds the DNA strand and DNA polymerase makes a copy.
What is the difference between DNA polymerase I II and III?
DNA polymerase I, II, and III are enzymes involved in DNA replication in prokaryotes. DNA polymerase I is responsible for removing RNA primers during DNA replication and filling the gaps with DNA nucleotides. DNA polymerase II is involved in DNA repair pathways, particularly in response to DNA damage. DNA polymerase III is the main enzyme responsible for synthesizing a new DNA strand during replication. It has a high processivity and is the primary enzyme involved in synthesizing the leading and lagging strands of DNA.
Why must DNA duplicate before mitosis began?
Because mitosis is the process of duplicating a cell. Creating 2 daughter cells out of 1 parents cell. And the duplication of the DNA is just the first step.
What enzymes are involved in the seven characteristics of life?
Enzymes involved in the seven characteristics of life include: 1. Catalase for metabolism, 2. DNA polymerase for growth and reproduction, 3. ATP synthase for energy processing, 4. Lipase for homeostasis, 5. Ribonuclease for response to stimuli, 6. Protease for cellular organization, and 7. Telomerase for adaptation.
What cuts DNA into fragments?
Enzymes called restriction endonucleases, also known as restriction enzymes, are used to cut DNA into fragments at specific nucleotide sequences. These enzymes recognize and cut DNA at specific recognition sites, creating DNA fragments of different sizes. This process is commonly used in molecular biology for genetic engineering and DNA analysis.
What is it called when DNA separate into two strands?
DNA Replication by enzymes that copy DNA for chromosomes in the new cell after cell division (mitosis)
DNA strands can be clipped crosswise at selected positions by using enzymes called?
DNA can be cut into smaller fragments by enzymes (which are proteins) known as restriction endonucleases (REN's). These enzymes are sequence specific - meaning they produce a cut only at a particular site on the DNA strand. This site where the cut is produced is called the restriction site. Restriction sites are 4 - 6 nucleotides in length. Every restriction enzyme has a different restriction site. This property allows researchers to treat two different DNA samples with the same set of restriction enzymes and then analyze the resulting fragments.A. DNA finger printing
Describe the difference between a single digest and a double digest?
Restriction enzymes (endonucleases) are used for a variety of reasons in molecular genetics, including obtaining a "map" and cloning DNA. Single digests consitute DNA being treated with one restriction endonuclease, whereas double digests contain 2 enzymes. At times, it is difficult (or not possible) to perform double digests ... especially when the 2 enzymes have very different requirements for their activities (e.g. salt concentration, temperature optimums, ...). If a DNA restriction map is known for a particular enzyme, and if the DNA is treated with this enzyme, then one can ascertain whether the digest was complete or not. However, if a restrictioin map is just being compiled, and if the DNA is treated with 2 enzymes in a double digest, at times difficulties may arise in determining the map if either (or both) enzymes did not completely digest the DNA.
What have been present in Earth's living organisms for the least amount of evolutionary time a. photosystems I and II b. genes composed of DNA c. enzymes that catalyze glycolysis?
enzymes that catalyze glycolysis photosystems 1 and 2 cell walls nuclei genes composed of DNA
