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In an experiment you develop immune response in mice against salmonella flagellar antigen. However, you observe the infection still persisted. Which if a likely possibility if immune system is functioning properly?

Correct Answer: The flagella antigen changed
In salmonella, the flagellar antigen is target for immune response. His antigen’s phase can vary with presence of insertion sequence within the gene. In this case change of antigen could lead to a loss of specificity by the immune system.

A certain lab experiments with white and brown mice only. IN one experiment, 2/3 of the mice are white. If there are 13 brown mice in the experiment how many mice in total are in the experiment?

A certain lab experiments with white and brown mice only. In one experiment , 2/3 of the mice are how many mice in total are in the experiment?

Which of the following is not a feature of secondary immune respone to an antigen when compared to the first immune response to the same antigen?

As an immune response to antigen: Salmonella typhimurium, heterogenous populations of memory B cells retain which antibody isotype linked with BCR (B cell receptor) on cell surface?

When compared to the first immune response to the same antigen, which of the following is not a hallmark of the secondary immune response?

In an experiment you mutate the consensus sequence at the -10 box. You observe the rate of transcription reduces. Now you make complementary mutation to the sigma factor. What will you observe?

Which of the following are dependent variable conditioning experiment?
1. Latency of response
2. Rate of response
3. Amplitude of response
4. Direction of response
Select the correct answer

S1: If you want to do well in your examinations you need to be able to think for yourself which means not just following the guide-books but write what you think yourself.
P: That will not help much.
Q: Few if any students do this.
R: By discussing things with other students, with your teachers, and with any intelligent people you meet you will find you can pick up a lot of new ideas but it is not good first accepting these ideas, swallowing them undigested and then repeating them in the examination.
S: At first you will find it difficult but if you go on trying you will find clear independent thought becomes easier.
S6: If however you turn these ideas over in our mind accepting those which you agree with and fitting them into your stock of knowledge and rejecting the others you may get somewhere.

The Proper sequence should be:

Read the passage carefully and select the best answer to each question out of the given four alternatives. One should consciously engage in activities that will nourish your soul. Just as we nourish the body, we need to nurture the soul to connect to the creative power ofthe universe and to manifest joy in our lives. Often, we forget to address the soul, lost as we are in a jungle of material and sensual pleasures. But the more youembrace what feeds your soul, the happier you become. So if you want to enjoy the abundance of life, engage in what enriches your soul. Nurturing the soul is allabout finding calm amidst chaos. There are a number of practices that empower people towards this end including silent contemplation, various forms of meditation,yoga and tai chi However, the rigor and discipline involved in the pursuit of such practices often seems to discourage people. Add to this, the temptations of thematerial world that leave little time and motivation for anyone to pursue the spiritual path. Poet Walt Whitman declared: “Whatever satisfies the soul is truth”. Thegood news is that simple, everyday activities can also nutrify the soul — like spending time in the midst of nature, dancing in the rain or just putting thoughts onpaper. Do whatever is calming and pleases you. Creative pursuits are particularly appealing as inside each one of us, there is an artist craving for release andawaiting an opportunity for expression. One of the ways to indulge the artist within is to get started with the practice of any one or more of the creative art formssuch as music, singing, dancing, acting, drawing, painting, sculpting, poetry, fiction or essay writing. When you engage in such soul nourishing activities, all thought and energy gets focused toward goal accomplishment. At this point, you will find that even unknownforces of the universe are conniving to assist you in your amateurish but sincere attempts. As you progress, you are motivated to do better. You touch and access afaculty, a part of you that you never knew existed. Your inner artist is unleashed, baring the beauty of your soul that has found a fond medium of expression. Forinstance, a sculptors soul is seen in his artwork; a musicians in his compositions; an actors in his acting, a painters in his paintings and so on. It is immaterialwhether your effort is an immaculate artwork or just a clumsy attempt by a layperson. The idea is to try, be inspired and to create giving free rein to the mind. AsMichelangelo remarked: “I saw the angel in the marble and carved until I set him free”! What can you infer from Michelangelos statement - "I saw the angel in the marble and carved until I set him free"?

In an experiment you perform the following- you attach a flag epitope to HDAC, you over express a mutated Mad1-pro gene within the experimental cell, you immunoprecipitate the protein complex using flag epitope and run that on a non-denaturing SDS PAGE and western blot. Now you add antibodies for HDAC, MAD1 and SIN3A stripping after each addition. What will you observe?