MCQs of Biochemistry – Protein Metabolism

Tertiary structure of protein is maintained by all except:

Which of the following is a derived a derived protein:

Albumins and globulins are ____ proteins

Quaternary structure of protein is:

Biuret test is confirmatory test for:

Glycine is present in:

Indole ring is present in:

Which of the following amino acid is involved in gluconeogenesis:

Amino acid carrier defect is found in:

The following is false about tryptophan:

In maple syrup urine disease the amino acids excreted in the urine are:

Non essential amino acids are not:

Aromatic ring is present in:

The major fuel for the brain after several weeds of starvation:

One of the following is nonessential amino acid:

The process by which a base sequence of messenger RNA is synthesized (by a RNA polymerase) on a template of complementary DNA is called:

Following is non-essential amino acid:

Hydroxylation of proline require the following except:

The process of transfer of information from the RNA to the proteins is called:

The amino acid from which niacin is synthesized is:

Following are the essential amino acid:

The amino acid, which is used is the estimation of collagen is:

The reducing end of glutathione, the amino acid is:

Which of the following is present in the plasma but absent in the serum?

Precursor of melanin is:

Synthesis of protein occurs on:

One of the following is not an amino acid

Which of the following amino acids is quickly converted to tyrosine?

Alkaptonuria, an inherited metabolic disorder of L0tyrosine metabolism is due to lack of:

ALbumin is synthesized by:

The nitrogen of the body is supplied by:

Proteins are absorbed from GIT as:

Digestion of proteins is initiated by:

Histidine is converted to histamine by:

Collagen is rich in:

A mutation that converts an amino acid codon to a stop codon is a:

Which one of the following amino acids is purely ketogenic?

Decarboxylation of which of the following amino acids results in formation of a vasodilator?

All of the following are globular proteins except:

A small Ca⁺² binding protein that modifies the activity of many enzymes and other proteins in response to changes of Ca⁺²  concentration is known as:

Albinism is a genetic disease that results in incomplete metabolism of:

Ammonia is detoxified in liver to form:

Amino acids excreted in the urine in cystinosis:

Key enzyme in urea synthesis is:

Which is the by product of the urea cycle:

Major source of ammonia in the kidney is:

Urinary protein is detected by:

Creatine is formed metabolically from:

Urea is produced by the enzyme:

Which of the following is correct about breakdown of hemoglobin (Hb):

Iron is complexed in haemoglobin to:

Heme in haemoglobin is:

At PH 7 the binding of 2,3 DPG to hemoglobin occurs at which site?

Cytochromes are:

False statement about haemoglobin structure:

Which of the following is a precursor of protoporphyrin:

Which of the following is not a part of hemoglobin molecule:

The following is not a carrier protein:

In Hartnup’s disease ____ is excreted in the urine:

Urea is formed in:

Thyroxine and catecholamines are derived from:

Argentaffinoma is characterized by excess excretion of:

Which of the following is not a post transcriptional modification of RNA?

The primary role of chaperones is to help in:

The protein rich in basic amino acids, which functions in the packaging of DNA is chromosomes is:

The amino acid residue having animino side chain is:

Proteins are linear polymers of amino acids, They fold into compact structures Sometimes these folded structures associate to form homo or hetero dimers Which one of the following refers to this associated form?

The number of essential amino acid are:

Most common non protein nitrogenous fraction of blood:

The nitrogen content in 50 gm of a typical dietary protein is most likely to be:

The fastest moving fraction of protein in serum When subjected to paper electrophoresis is:

The class of amino acids that contains only non essential amino acids is:

The daily requirement of protein for the adults is:

All are true about glutathione except?

Colloidal osmotic pressure of plasma is by:

Glutamine replaced by valine in sckle cell anaemia is characterized:

Alkaptonuria an inherited metabolic disorder is due to the deficiency of:

Mannose 6 phosphate containing freshly synthesized proteins are directed to:

In the body, metabolism of 10 g of protein would produce approximately

All are genetic amino acid deficiency disease except: