The nuclear pore complex

a. is a large complex made of many different proteins.

b. is an octagonal, membrane-embedded structure with long filaments.

c. is required for transport of all molecules in or out of the nucleus.

d. binds to importin via FG-repeats.

e. hydrolyzes bound GTP to GDP

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#Question id: 19122

#Unit 8. Inheritance Biology

Trisomy 18 is one of the most common trisomies observed in human populations. You prepare DNA samples from two unrelated infants, both with trisomy 18, and from their parents. You then type the infants and their parents for four SSRs distributed along chromosome 18:

     

             

                                         

In which division of meiosis did nondisjunction occur in Family 2?

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#Question id: 12814

#General Aptitude

The difference between the length and breadth of a rectangle is 23m. If its perimeter is 206 m, then its area is

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#Question id: 1293

#Unit 4. Cell Communication and Cell Signaling

NCAMs, a group of cell-adhesion proteins belonging to the Ig superfamily. Which of the following is not a property of NCAM?

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#Question id: 14499

#Unit 13. Methods in Biology

Three machines A, B and C produce respectively 60%, 30% and 10% of the total number of items of a factory. The percentages of defective output of these machines are respectively 2%, 3% and 4%. An item is selected at random and found defective. Find the probability that the item was produced by machine C.

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#Question id: 26791

#Unit 8. Inheritance Biology

There are four genes which control the phenotype and assort independently such as A, B, C and D. If the genotype Aa Bb Cc Dd is selfed then what is the probability for progeny which shows the dominant phenotype for AT LEAST ONE of  phenotypes controlled by

genes A, B,  C and D?