Multiple choice

Directions: For the following question, select the option that best replaces the parenthesis in the given paragraph.

The new system has been developed by a Canadian company, Inex pharmaceuticals of Vancouver and uses artificial packages to carry the new genes to the disease site. The packages, called transmembrane carrier system, are made up essentially of fat droplets and are injected into the blood stream. (.) In lnex's trial, these were tumor suppressor genes, which carry the code to make proteins which stop cells from reproducing wildly. The trials found that the genes proteins were being produced in secondary tumors.

  1. But these packages are no more useful.

  2. They contain a package of genes.

  3. But the trials never took place.

  4. The Canadians now are not willing to extend their support

  5. This direct 'import' into the blood stream does not have any side effects.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

'These were tumor suppressor genes' in the succeeding sentence means that the filler should contain some reference to genes. 'These genes' in the statement succeeding the blank can connect only with (2). 

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