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What are the three enzymes involved in DNA transcription?
There are 4, Helicase, Primase, DNA ligase and DNA polymerase.
Difference between DNA replication and transcription?
1. Replication is the duplication of two-strands of DNA. Transcription is the formation of single, identical RNA from the two-stranded DNA. 2. There are different proteins involved in replication and transcription. 3. In replication, the end result is two daughter cells, while in transcription, the end result is a protein molecule. 4. In transcription, DNA serves as the template for RNA synthesis.
What are the 4 enzymes in DNA replication?
DNA Helicase - responsible for separating the two stands DNA Polymerase - responsible for catalyzing the addition of bases to the new strand DNA Ligase - responsible for sealing fragments
The life cycle of a typical DNA virus consists of 4 steps?
The life cycle of a typical DNA virus consists of 7 steps. The steps are entry, uncoating, early transcription, viral DNA replication, late transcription, viral assembly, and the virus exits.
The DNA of a human cell can be cut and rearranged by using?
The answer as of Castle Learning was choice 4, Enzymes.
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
The following steps must be performed to make a bacterium produce human protein X?
1 is translation. 2 is restriction enzyme. 3 is prokaryotic transcription. 4 is DNA ligase. 5 is transformation. 6 is eukaryotic transcription. 7 is reverse transcription. So the order of the steps based off of the numbers are 6,7,2,4,5,3,1.
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?
receptor proteins
Describe the 5 steps in protein synthesis?
1. The DNA unzips 2. The mRNA reads the code (codon) of the DNA (Transcription) 3. The mRNA moves out of the nucleus and enters the cytoplasm to attach to the ribosomes 4.tRNA brings amino acids to the ribosomes according to the original DNA 5. The amino acids bind together and are released into the cytoplasm as a protein
Why you freeze the pellet during DNA isolation?
PEllet is freezed approximately at 4 degree celsius this is done because the enzymes remain inactive at this temperature and is activated only when needed so that it doesnt degrade the solution containing DNA.
Name the 4 bases involved in DNA replication?
The four bases are: Adenine (A) Thymine (T) Guanine (G) Cytosine (C)
Where are enzymes active in the body at pH 4 and 5?
Liver enzymes- Transaminase
