Determine the correctness or otherwise of the following Assertion (A) and the Reason (R). Assertion : IgM is found in serum as a pentameric protein consisting of five IgM monomers. Reason : The pentameric form of IgM is due to cross-linking of IgM monomers via peptide bond.

both (A) and (R) are true and (R) is the correct reason for (A)

both (A) and (R) are true but (R) is not the correct reason for (A)

Determine the correctness or otherwise of the following Assertion (A)

1.	Determine the correctness or otherwise of the following Assertion (A) and the Reason (R). Assertion : IgM is found in serum as a pentameric protein consisting of five IgM monomers. Reason : The pentameric form of IgM is due to cross-linking of IgM monomers via peptide bond.
A.	both (A) and (R) are true and (R) is the correct reason for (A)
B.	both (A) and (R) are true but (R) is not the correct reason for (A)
C.	(A) is true but (R) is false
D.	(A) is false but (R) is true
Answer» D. (A) is false but (R) is true

Discussion

No Comment Found

Related MCQs

Match the antibioticsinGroup Iwith the targets in Group II.Group IP. Sulfonamide Q. Quinolones R. Erythromycin S. CephalosporinGroup II1. Peptidoglycan synthesis 2. Peptide chain elongation 3. Folic acid biosynthesis4. Topoisomerase
Determine the correctness or otherwise of the following Assertion (A) and the Reason (R). Assertion : IgM is found in serum as a pentameric protein consisting of five IgM monomers. Reason : The pentameric form of IgM is due to cross-linking of IgM monomers via peptide bond.
Match the items on the left column with those on the right LeftP. Programmed cell death at site of infection Q. Hormone upregulated during flooding stress R. Target for herbicide glyphosateS. Pathogen-derived resistance Right1. TMV coat protein2. EPSP synthase3. Hyper-sensitive response4. Ethylene
Determine the correctness or otherwise of the following Assertion[ a] and Reason [r] Assertion: An antigen recognized by one immunoglobulin subtype is not recognized by any other subtype. Reason: Immunoglobulin subtypes differ from each other body in the variable and in the constant regions.
Match the activity spectrum of the following antibiotics P Actinomycin D1. AntifungalQ Daunorubicin2. AntituberculosisR Rifamycin3. AntitumorS Griseofulvin4. Antiprotosoal
Match the recombinant products in group 1 with their therapeutic applications in group 2 Group 1P. Human growth hormoneQ. Platelet growth factorR. Factor VIII S. Erythropoietin Group 2 1. Pituitary dwarfism 2. Chemotherapy inducred thrombocy-topenia3. Haemophilia4. Anaemia associated with chronic renal failure
In a mouse genome, the numbers of functional V , J , V , D , J gene segments are 79, 38, 21, 2 and 11, respectively. The total number of possible combinations for T cell receptors are ___ 106.
Which of the following statement(s) is/are CORRECT for antigen activated effector T cells?P. CD4+ cells make contact with macrophages and stimulate their microbicidal activity Q. CD4+ cells make contact with B cells and stimulate them to differentiate into plasma cells R. CD8+ cells make contact with B cells and stimulate them to differentiate into plasma cellsS. CD8+ cells make contact with virus infected cells and kill them
Match the antibiotics in Group I with their modes of action in Group II.Group IGroup IIP. Chloramphenicol1. Inhibits protein synth-esis by acting on 30S ribosomal subunitQ. Rifampicin2. Interferes with DNA replication by inhibiting DNA gyraseR. Tetracycline3. Inhibits protein synth-esis by acting on 50S ribosomal subunitS. Quinolone4. Interferes with RNA polymerase activity5. Inhibits -lactamase activity
Match the cells in Group I with their corresponding entries in Group II. Group IGroup IIP. Mast cells1. Activation of the comple-ment pathwayQ. Natural killer cells2. Expression of CD 56R. Neutrophils3. Containsazurophilic granulesS. Dendritic cells4. Defense against helminthic infection5. Production of antibodies specific to bacteria6. Contains long membranous projections

Determine the correctness or otherwise of the following Assertion (A) and the Reason (R). Assertion : IgM is found in serum as a pentameric protein consisting of five IgM monomers. Reason : The pentameric form of IgM is due to cross-linking of IgM monomers via peptide bond.

Discussion

No Comment Found

Related MCQs

Reply to Comment