Free-living bacteria that are capable of fixing nitrogen are aerobic, facultative, or anaerobic. Some of the Aerobic nitrogen-fixing bacteria such as

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#Question id: 7316

#Unit 5. Developmental Biology

Programmed cell death, or apoptosis, is an essential part of animal development. In the nematode, with its invariant cell lineage, particular cell lineages or particular cells within specific lineages are destined to end in programmed cell death, and it was this feature that allowed the identification of the process and the analysis of its genetic control.

Which of the following combination of genes are correct?

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#Question id: 940

#Unit 1. Molecules and their Interaction Relevant to Biology

Transamination reactions require which coenzyme?

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#Question id: 4901

#Unit 8. Inheritance Biology

Assume that the alleles A (dominant) and a (recessive) show a maternal effect mode of inheritance. In a cross between an Aa female and an aa male, what would be the phenotypes of the progeny?

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#Question id: 12740

#Unit 13. Methods in Biology

Choose the incorrect statement for Agglutination.

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#Question id: 4583

#Unit 11. Evolution and Behavior

Prior to the work of Lyell and Darwin, the prevailing belief was that Earth is ________.