A microbial population is reduced from 1 × 10⁶ CFU/mL to 1 × 10³ CFU/mL after 9 minutes at 121°C. Assume first-order kinetics. What is the D-value (in minutes) at 121°C?

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#Question id: 16481

#XL - R Botany

The evolution of continuous cell lines from primary cultures occurs due to which reason

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#Question id: 5566

#XL - T Zoology

In some rare salamander species, all individuals are females. Reproduction relies on those females having access to sperm from males of another species. However, the resulting embryos receive no genetic contribution from the males. Why do you think sperm are necessary for reproduction?

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#Question id: 15709

#XL - S Microbiology

Anti browning compounds helps to reduce toxicity by removing toxic substances produced during the culture and permits unhindered cell growth.

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#Question id: 10704

#XL - T Zoology

Imagine five forest communities, each with one hundred individuals distributed among four different tree species (W, X, Y, and Z). Which forest community would be most diverse?

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#Question id: 18542

#XL - R Botany

Which of the following oils are called fixed oils