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OmpF (outer membrane protein)
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∙ 15y ago
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What materials are used in powder coating?
Powder coating is commonly used on metals to give a smooth finish. The materials used in it include thermoplastic or thermoset polymers.
Is egg a complete protein?
Sorry! - beans are a source of protein but they are not pure protein...
What do ribosomes attract?
ribosomes is where protein is synthesised so i suppose they attract mrna for the code to make the protein and the amino acid to build the protein. ribosomes is where protein is synthesised so i suppose they attract mrna for the code to make the protein and the amino acid to build the protein.
This protein is produced by a regulatory gene?
a repressor protein
Is the sodium potassium pump a carrier protein?
the carrier protein of Na-k pump is an ion carrier protein and the pump cannot be termed as the carrier protein its a biochemical phenomenon
What is the bacterium attacked by T2 phages?
Bacteriophage
What feature of the physical organization of bacteriophage t2 made it suitable for use in the hershey chase experiments?
The virus had a protein coating which remained outside of the cell when the DNA from the virus was injected into the cell. So they were able to see that DNA was carrier of inheritance due to the fact that the protein never entered the cell that produced new viruses.
What virus is like T2 and infects bacteria?
This virus is a bacteriophage. The word means bacteria eater.
Why did Alfred Hershey and Martha Chase chose bacteriophage as their virus?
Because it infects bacteria and uses it as a factory to replicate and create more bacteriophage. T2 Bacteriophage undergoes lytic life cycle and NOT lysogenic life cycle
Describe the contributions of hershey and chase to the understanding that DNA is the genetic material?
Hershey and Chase radioactively labelled T2 bacteriophage with P (DNA) and S (protein) to determine if protein or DNA carried the genetic material. They let the bacteriophage infect E.coli. The radioactive material found in the host E.coli contained the radioactive P (found in DNA) as the bacteriophage had multiplied inside the cell, but the radioactive S was not found inside the cell. Therefore DNA is the hereditary molecule resorce - some other guy off the internet
When a T2 bacteriophage infects an E. coli cell what part of the phage enters the bacterial cytoplasm?
the whole phage
What is the bacteriophage used by hershy and chase consisted of two types of molecules?
protein and DNA
What makes up bacteriophage?
DNA and RNA core and a protein coat.
What did Hershey and Chase show the genetic material of the t2 bacteriophage was?
DNA is the genetic material. However, Hershey-Chase also stated that some little sulfur containing material also entered the bacterial cell. Looking at these two conclusions, Hershey-Chase could not reach a definite conclusion as to whether DNA or Protein contains the genetic material. The conclusion came from Watson-Crick who stated that the sulfur containing material could have entered the cell due to the fact that DNA replication and subsequently translation of the mRNA leads to the synthesis of sulfur containing protein which were found in the bacterial cell.
The bacteriophage used by Hershey and chase consisted of 2 types of molecules?
DNA and protein
What result did Hershey and chase observe?
they concluded that the genetic material of the bacteriophage was DNA, not protein
Is a virus that infects bacteria called bacteriophage?
bacteriophage
