B cells migrate to the lymphoid follicles, they are directed by chemokine interaction_________, which is secreted by follicular dendritic cells (FDCs)

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#Question id: 3479

#XL - T Zoology

Which of the following could be classified as habituation?

A) You enter a room and hear a fan motor. After a period of time, you are no longer aware of the motorʹs noise.

B) You hear a horn while driving your car. You step on the brakes but notice the sound came from a side street. You resume your previous speed.

C) One morning you awake to a beep-beep-beep from a garbage truck working on a new early morning schedule. The next week the garbage truck arrives at the same time and makes the same noise, but does not wake you up.

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#Question id: 19595

#XL - P Chemistry

For the reaction C(s) + O2(g) → CO2(g)

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#Question id: 12703

#XL - R Botany

In the plants, due to mutation in the mitochondrial genome causing cytoplasmic male sterility can be influenced by the nuclear gene (Rf),  which is dominant over the cytoplasmic mitochondrial genome. If a male sterile plant  is pollinated by the fertile male plant with homozygous (Rf)condition, the progeny obtained in F1 will have

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#Question id: 11004

#XL - T Zoology

Which of the following is most likely to cause the heart to go into spastic contraction?

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#Question id: 11265

#XL - R Botany

Approximately how many kg of carnivore production can be supported by a field plot containing 2000 kg of plant material?