__________ type of biosensors exist to measure the concentration and location of Ca2+ and the activation state of GTPase switch proteins.

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#Question id: 14565

#Section 2: General Biology

The Gram stain and the endospore stain both use

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#Question id: 14566

#Section 2: General Biology

A pure culture in exponential growth phase has a bacterial concentration of 6.4 x 10⁸ cells/ml. If the bacterium has a generation time of 1 h, how long ago was the cell

concentration 8.0 x 10⁷ cells/ml?

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#Question id: 14567

#Section 2: General Biology

In a rapidly multiplying bacterial population, cell numbers increase

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#Question id: 14568

#Section 2: General Biology

Generally the proteins of thermophiles

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#Question id: 14569

#Section 2: General Biology

A hot tub (approx. 104°F or 40°C) would most likely contain

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#Question id: 14570

#Section 2: General Biology

MacConkey agar is