Actinomycetes characteristically form long multinucleate filaments or hyphae that may branch to produce a network called a 

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#Question id: 15525

#XL - S Microbiology

In the instructive model, TCR/CD4 and TCR/CD8 coengagement generates unique signals, if a thymocyte randomly generated a TCR with an affinity for MHC Class I. which thymocyte would bind with MHC class I?

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#Question id: 11079

#XL - T Zoology

The diffusing capacity of a gas is the volume of gas that will diffuse through a membrane each minute for a pressure difference of 1 mm Hg. Which of the following gases is often used to estimate the oxygen diffusing capacity of the lungs?

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#Question id: 5839

#XL - T Zoology

During recombination in E. coli, ________ recognize(s) regions of sequence similarity and promote(s) strand invasion, while ________ bind(s) to a Holliday junction promoting strand migration.

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#Question id: 2118

#XL - T Zoology

Which of the following statements correctly describes the normal tonicity conditions for typical plant and animal cells? The animal cell is in:

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#Question id: 20036

#XL - P Chemistry

The energy required to dislodge electron from excited isolated H atom (IE1 = 13.6eV) is