Because of steric constraints, purines in purine nucleotides are restricted to two stable conformations with respect to deoxyribose, called syn and anti.

            

The two molecules shown in the figures are best described as

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#Question id: 4932

#XL - S Microbiology

Which of the following is the best hypothesis regarding origins of nucleic acids?

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#Question id: 27441

#XL - R Botany

Which of the following is against the rules of ICBN?

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#Question id: 155

#XL - T Zoology

Which amino acids are linked in phenylalanylglycine?

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#Question id: 10532

#XL - Q Biochemistry

A  closed, self-sealing solvent-filled vesicles that are bounded by only a single bilayer, known as:

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#Question id: 1744

#XL - Q Biochemistry

Which of the following events occurs earliest in T-cell signaling?