Which of the following sampling techniques is commonly used in quantitative research to ensure a representative sample?

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#Question id: 8842

#SCPH06 I Botany

In terms of the hierarchical organization of life, a bacterium is at the __________ level of organization, whereas a human is at the __________ level of organization

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#Question id: 8288

#SCPH05 I Biotechnology

Some beetles and flies have antler-like structures on their heads, much like male deer. The existence of antlers in beetle, fly, and deer species with strong male-male competition is an example of ________.

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#Question id: 3893

#SCPH28 | Zoology

Protein structural motifs often have general functions in common.  Which one of the following motifs is known to be involved in protein dimer formation, but not in direct protein-DNA interactions?

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#Question id: 4133

#SCPH28 | Zoology

Which of the following statements about aminoacyl-tRNA synthetases is false?

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#Question id: 17278

#SCPH05 I Biotechnology

In DNA isolation, which of the following enzyme remove/digest proteins in presence of SDS or chelating agent