A special type of endoplasmic reticulum of muscle cells that involved in increasing the cytosolic Ca2+ concentration for skeletal muscle contraction ? 

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#Question id: 33697

#Unit 2. Cellular Organization

Hb Kenya, another fused hemoglobin. The fusion must have resulted from unequal crossing over between 

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#Question id: 11897

#General Aptitude

Which least number should be subtracted from the number 36798 so that the new number is completely divisible by 78?

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#Question id: 10899

#Unit 6. System Physiology – Plant

Companion cells transport of photosynthetic products from producing cells in mature leaves to the sieve elements in the minor veins of the leaf. There are at least three different types of companion cells in the minor veins of mature, exporting leaves, All three cell types have dense cytoplasm and abundant mitochondria;

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#Question id: 198

#Unit 1. Molecules and their Interaction Relevant to Biology

NAD and NADP dependent dehydrogenases catalyze substrates by transferring ________ to  C-4 of NAD+ and NADP+.

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#Question id: 20002

#Unit 12. Applied Biology

proBA and proC in E. coli