A culture has a cell concentration of 1 × 10⁹ cells/mL and a biomass yield coefficient (Y_x/s) of 0.5 g biomass/g substrate. If 2 grams of substrate are consumed, calculate the biomass produced (in grams).

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#Question id: 14885

#XL - S Microbiology

Mature T cell is found in thymus in

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#Question id: 12677

#XL - R Botany

Aquatic ecosystems that are most readily damaged by acid are those that lack an important buffer that dissolves into the runoff after a precipitation event. What is this buffer?

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#Question id: 14831

#XL - S Microbiology

A spirochete is a member of the phylum Spirochaetota, which contains distinctive diderm gram-negative bacteria, most of which have long, helically coiled cells. Movement of spirochetes occurs by means of structures called 

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#Question id: 407

#XL - S Microbiology

The reaction A + B -> C has a DG'° of –20 kJ/mol at 25° C.  Starting under standard conditions, one can predict that:

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#Question id: 2119

#XL - T Zoology

A sodium-potassium pump: