ToxA is produced by both nodorum and tritici‐repentis, which cause disease such as__

a) chlorosis

b) bronze spot

c) glume blotch

d) tan spot

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#Question id: 19335

#Unit 12. Applied Biology

Which one of the following nanotubes cannot be easily twisted?

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#Question id: 10331

#Unit 9. Diversity of Life Forms

When using a cladistic approach to systematics, which of the following is considered most important for classification?

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#Question id: 31158

#Unit 7. System Physiology – Animal

In neurons, the concentration of K⁺ is much higher inside than outside the cell, while the reverse is the case for Na⁺. This concentration difference  is established by:

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#Question id: 5603

#Unit 5. Developmental Biology

During capacitation, the pathway is modulated by the removal of cholesterol from the sperm cell membrane, which allows 

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#Question id: 685

#Unit 1. Molecules and their Interaction Relevant to Biology

A protein has a molecular weight of 5600 daltons; its subunits are about 1960 daltons. There are ________ protein chains per oligomer.