What is the purpose for blanching (immersing food in hot water) vegetables during canning?

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#Question id: 349

#XL - S Microbiology

Increased atmospheric CO2 concentrations might have what effect on seawater?

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#Question id: 15212

#XL - Q Biochemistry

Sieving effect that contributes to the separation of proteins according to their size, in techniques such as SDS–gel electrophoresis, the concentration of gel used

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#Question id: 12920

#XL - S Microbiology

The development of isothermal systems such as the ____ DNA amplification system do away with the need for a thermal cycler and have the advantage of being able to be used outside the laboratory.

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#Question id: 4606

#XL - S Microbiology

Which of the following evidence most strongly supports the common origin of all life on Earth? All organisms ________.

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#Question id: 5242

#XL - T Zoology

Auxotrohic bacteria plating on different medium, it is observed that colonies grow on minimal plus threonine only, no colony on minimal plus leucine and no colonies grow on minimal medium cystein only. What are the actual genotypes of auxotroph?