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تفضلي
True & False:

1.Primary structure is defined as identity of amino acids & their amounts
2.Primary structure is the sequence of amino acids in the protein.
3.Secondary structure spatial arrangement of amino acids that are near each other
4.Tertiary structure refers to the three-dimensional arrangement of all amino acids in the polypeptide chain
5.Quaternary structure is the amino acid sequence of a protein
6.Amino acid composition is the identity of amino acid & their amounts.
7. Regular patterns of relatively small segments of a protein held together mainly by H-bonds
7.Essential amino acids are synthesized in the body
8.Non.essential amino acids are synthesized in the body.
9.Essential & non essential both type of amino acids are required for the synthesis of protein.
10.Quaternary structure refers the spatial arrangement of the polypeptide subunits

11. Hemoglobin has a higher oxygen binding affinity than Myoglobin.
12. Mb curve is hyperbolic
13. Hb curve is sigmoidal
14.Myoglobin has higher oxygen binding affinity than hemoglobin.
15.Myoglobin is good oxygen transporter.
16.Hemoglobin is good oxygen transporter.
17.Arginine is essential amino acid
18.Phenyl -alanine is essential amino acid
19.Tyrosine is non essential amino acid.

Fillup the blanks:

1.Regular patterns of relatively small segments of a protein held together mainly by H-bonds
2.Cystein is ……..containig amino acid
3.Methionine is also ……containig compound.
4.……….is hydrophilic amino acid
5.………is acidic amino acid.
6.……….is basic amino acid.
7.………..is hydrophobic amino acid
8.Hemoglobin…….. Protein.
9.Collagen is an example of………protein.
10.Defensive protein is………

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