The immediate precursors of DNA and RNA synthesis in the cell all contain:

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#Question id: 4145

#XL - T Zoology

Steriod hormone response elements (HREs) are _ , which, when bound to _, alter gene expression at the level of _.

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#Question id: 15337

#XL - S Microbiology

HSCs express which type of cell-surface molecule, which is the receptor for stem cell factor (SCF). It is a cytokine that exists in both membrane-bound and soluble forms and the SCF-surface molecules interaction is critical for the development, in adult animals, of multipotential progenitor cells (MPPs).  Which type of surface molecules HSCs express?

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#Question id: 4180

#XL - T Zoology

The anticodon of tRNAala can bind to three different codons for alanine (GCU, GCC and GCA) because

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#Question id: 557

#XL - Q Biochemistry

The number of substrate molecules converted to product in a given unit of time by a single enzyme molecule at saturation is referred to as the:

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#Question id: 8920

#XL - R Botany

Almost all of the major animal body plans seen today appeared in the fossil record over 500 million years ago at the beginning of the