Related Questions

MHC class II molecules are expressed on
A Dendritic cell
B Macrophage
C Fibroblast
D Platelet
E Red blood cell
Regarding MHC molecules
A They are cell surface glycoproteins
B Play critical role in self and non-self-recognition
C MHC genes are located on short arm of chromosome 6
D MHC I molecules present only on antigen presenting cells surface
E Highest level of MHC molecules are expressed on hepatocytes
Class II MHC protein
A Have high degree of polymorphism
B Involved in the presentation of antigen by macrophage
C Have binding sites for CD4 proteins
D Found on the surface of both T cell and B cells
E Composed of one polypeptide chain
The ratio of boys to girls in class A is 3 to 4 . The ratio of boys to girls in class B is 4 to 5 . If the two classes were combined, the ratio of boys to girls in class B is two less than the number of girls in class A. How many girls are in class A?
A 87
B 11
C 12
D 15
Three maths classes: X, Y, and Z take an algebra test. The average score of class X is 83. The average score of class Y is 76. The average score of class Z is 85. The average score of class X and Y is 79 and the average score of class Y and Z is 81. What is the average score of the combined classes X, Y, and Z?
A 81
B 81.5
C 82
D 84.5
MHC restriction is experienced by
A Helper T lymphocytes
B B-Lymphocytes
C Macrophages
D Lymphokine activated killer cell(LA
E NK cell
The major histocompatibility complex MHC in man
A Is situated on chromosome 6
B Is involved in antigen presentation
C The genes are grouped into two types class I and class II
D Has positive association with renal failure
E Is tested on a serum sample
দুটি এক-পরমাণুক আদর্শ গ্যাস পরস্পরের সাথে তাপীয় সাম্যাবস্থায় আছে। A গ্যাস m ভরের অণু দ্বারা গঠিত, এবং B গ্যাস 4m ভরের অণু দ্বারা গঠিত। A গ্যাসের আয়তন ৪ গ্যাসের আয়তনের দ্বিগুণ। এদের চাপের অনুপাত PA / PB কত? (Two monoatomic ideal gases are in thermal equilibrium with each other. Gas A is composed of molecules with mass m while gas B is composed of molecules with mass 4m. The volume of gas A is twice that of gas B. What it the ratio of their pressures PA / PB ?)
A 1/4
B 1/2
C 1
D 2
Half the graduating class of a college was accepted by a business school. One-third of the class was accepted by a law school. It one-fifth of the class was accepted by both types of school, what fraction of the class was accepted only by a law school?
A 2/15
B 1/6
C 1/3
D 1/2
At the beginning of a class period, half of the students in a class go to the library. Later in the period, half of the remaining students go to the computer lab. If there are 5 students remaining in the class, how many students were originally in the class?
A 12
B 16
C 24
D 32

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