Lecture : Bio Notes 207 - Asparagine

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azaillia

30 Mar 2023

School

UCF

Department

Biology

Course

BSC 2010C

Professor

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Document Summary

Asparagine is one of the 20 amino acids that make up proteins, and is classified as a non-essential amino acid, meaning that it can be synthesized in the body. It has a carboxamide (-conh2) group in its side chain, which makes it a polar, uncharged amino acid. Asparagine plays several important roles in the body. It is involved in the biosynthesis of glycoproteins, which are proteins that have carbohydrate chains attached to them. These glycoproteins are important for cell-to-cell recognition, cell adhesion, and other cellular processes. In addition to its role in glycoprotein biosynthesis, asparagine is also involved in the formation of aspartate, another important amino acid. Asparagine can be converted to aspartate by the enzyme asparaginase, which is used in the treatment of certain types of cancer. Asparagine can be obtained from a variety of dietary sources, including asparagus, poultry, eggs, and dairy products. It can also be synthesized in the body from other amino acids, such as glutamine.

Related Questions

Which two amino acids are normally used in negative feedback molecules of aspartate kinase?

A. leucine and tyrosine	C. lysine and threonine
B. tryptophan and proline	D. valine and asparagine

cyanotter925

Below is a partial mRNA sequence from a mutant gene in E. coli. used to answer the following questions.
5'... ACCCGCCACGCC... 3'

If a mutant synthetase gene was introduced into the E. coli, which one could produce the normal version of the encoded protein? answer :synthetase that charges a histidine tRNA with asparagine

Part C

While the introduction of the mutant synthetase gene restored some of the growth characteristics, this strain still does not grow as fast as wild-type E. coli.

Which of the statements support this observation?

Select all that apply.

The normal synthetase that charges histidine tRNA with histidine is still present resulting in the mutant variant of the protein. Not having enough of the normal protein may still limit growth.

The mutant synthetase gene allows histidine tRNA to be charged with asparagine, therefore histidine could not be present in any protein. If the the histidine residue was important to the function of various other proteins growth may not be completely restored.

The codon for histidine has not changed in the mutant variant, therefore only the mutant variant of the protein is produced resulting in slow growth.

The mutant synthetase gene allows histidine tRNA to be charged with asparagine, but sometimes this tRNA could deliver asparagine in the place of histidine to other proteins where the histidine residue was important to the function of the protein and growth.

harlequingrasshopper250

20. All nucleotides are synthesized as mononucleotides. Whichamino acid is not used for the synthesis of purinebases?

A. glycine B. asparagine C. glutamine D. aspartate E. All of theabove.

22. The enzymes involved in thesynthesis of pyrimidine nucleoside monophosphates are undermultiple regulations. Which is not involved in theregulation?

A. UTP B. ATP C. GTP D. CTP E.None of the above.

50. Which is not related to regulation of geneactivity?

A. Transcription factor binding close to the promoterregions.

B. SAM binding to mRNA.

C. Alterations in mRNA conformations by Trp availability.

D. All of these.

E. None of these.

Please explain your answers.

champagneraccoon18

Lecture : Bio Notes 207 - Asparagine

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