Biochemistry - Mock Test 55

Question 541

Abnormal chain of amino acids in sickle cells anaemia is?

A) Alpha chain B) Beta chain C) Gama chain D) Delta chain

---

No Details

Question 542

Albuminoids are similar to?

A) Albumin B) Globulin C) Both A and B D) None of these

---

No Details

Question 543

Isoelectric pH of an amino acid is that pH at which it has a?

A) Positive charge B) Negative charge C) No net charge D) All of these

---

No Details

Question 544

Optical isomers that are mirror images and non superimposable are called?

A) Diastereomers B) Euantiomers C) dl isomers D) Stereomers

---

No Details

Question 545

The role of complement proteins?

A) Defense B) Helps immunity of the body C) Not predicatable D) None of these

---

No Details

Question 546

All the standard amino acids except the following have one chiral ‘c’ atom?

A) Threonine, Isoleucine B) Isoleucine, Alanine C) Threonine, Alanine D) Alanine, Glutamine

---

No Details

Question 547

The reference compound for absolute configuration of optically active compound is?

A) Alanine B) Lactic acid C) Glyceraldehyde D) Dihydroxy acetone

---

No Details

Question 548

Optically active compounds are capable of?

A) Different reactions B) Rotating plane of polarized light C) Showing same chemical properties D) None of these

---

No Details

Question 549

The amino acid which is not optically active is?

A) Alanine B) Glycine C) Glutamine D) Lysine

---

No Details

Question 550

The lone pair of electrons at one of the ring nitrogens in the given amino acid makes a potential ligand, which is important in binding the iron atoms in hemoglobin?

A) Tryptophan B) Threonine C) Histidine D) Serine

---

No Details