Listeria is a food-borne pathogen that causes mild gastrointestinal symptoms. It enters animal cells and divides in the cytoplasm. Listeria has on its surface a protein called ActA, which mimics:

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#Question id: 12239

#Unit 10. Ecological Principles

The figures above show the results of an experiment in which two microbial species, A and B, were grown in three treatments. In treatment I, species A was grown alone. In treatment II, species B was grown alone. In treatment III, both species were grown together at the same starting densities as in (I) and (II). The results suggest the interaction is best described as

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#Question id: 14981

#Unit 2. Cellular Organization

The endoplasmic reticulum has many important functions. It transports proteins, lipids, and probably other materials through the cell. The ER is also a major site of 

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#Question id: 12631

#Unit 6. System Physiology – Plant

The receptor  of brassinosteroid are the  largest class of plant receptor kinases, which is localize to the plasma membrane as transmembrane protein;

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#Question id: 23688

#Unit 13. Methods in Biology

Bacteria containing a plasmid into which the eukaryotic gene has integrated would grow in

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#Question id: 12616

#Unit 10. Ecological Principles

In the logistic equation

  

is a measure of the population's intrinsic rate of   increase. It is determined by which of the following?