A rifampicin-sensitive bacterium with the b-subunit from a rifampicin-resistant bacterium, the resulting polymerase was antibiotic-resistant.

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#Id: 3312

#Unit 6. System Physiology – Plant

Redox function is also used to remove toxic peroxides formed in the normal course of growth and metabolism under aerobic conditions, catalyzed by glutathione peroxidase.

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#Id: 2256

#Unit 11. Evolution and Behavior

Overdominance, the heterozygote has higher fitness than the  fitness of the two homozygotes.

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#Id: 7378

#Unit 5. Developmental Biology

Par-1 protein organizes microtubules specifically with their minus and plus ends at the anterior and posterior ends of the oocyte, respectively

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#Id: 5723

#Unit 10. Ecological Principles

Species-Time Hypothesis 

Communities diversify, that is, gain species, with time

Temperate regions are less species-rich than tropical regions because they are younger and have only more recently recovered from glaciations and severe climatic disruption

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#Id: 6613

#Unit 7. System Physiology – Animal

In humans,

Only one of the follicles in one ovary starts to grow rapidly and becomes the dominant follicle, while the others regress, forming atretic follicles.