The most recent common ancestor of all land plants was probably similar to modern-day members of which group? 

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#Question id: 7221

#Unit 5. Developmental Biology

The cells of the neural plate are characterized by expression of the Sox family of transcription factors (Sox1, 2, and 3). These factors-

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#Question id: 89

#Unit 1. Molecules and their Interaction Relevant to Biology

In solution α-D-glucopyranose and β-D-glucopyranose ________.

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#Question id: 18982

#Unit 13. Methods in Biology

A number of convenient vector systems that incorporate both transcriptional and translational signals for the expression of cloned eukaryotic genes in E. coli have been developed. One such system is called expression vector is 

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#Question id: 809

#Unit 1. Molecules and their Interaction Relevant to Biology

A single-stranded DNA molecule contains 40 nucleotides with equal amounts of A, C, G, and T. This DNA strand can combine with a complementary DNA strand to form a double-stranded DNA molecule. Which of the following double-stranded DNA molecules would denature at a lower temperature than the 40 base-pair double-stranded molecule described above?

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#Question id: 11120

#Unit 7. System Physiology – Animal

The release of neurotransmitter at a chemical synapse in the central nervous system is dependent upon which of the following?