Calculate the percentage of histidine that has its imidazole side chain protonated at pH 7.3. The pKa values for histidine are pK1 = 1.8, pK2 (imidazole) = 6.0, and pK3 = 9.2.

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#Question id: 9232

#SCPH06 I Botany

Establishing new nature reserves in biodiversity hot spots may not necessarily the best choice because ________.

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#Question id: 10793

#I Life Science/ Life Sciences Group – I-V

Hydroxyl groups (−OH),  and methoxy groups(−OCH3) modification provides colour variations in case of

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#Question id: 15634

#SCPH01 Biochemistry

To performs both global and local pairwise alignment for all possible pairs, which of the following program is used in progressive alignment method? 

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#Question id: 4143

#SCPH28 | Zoology

It is possible to convert the Cys that is a part of Cys-tRNACys to Ala by a catalytic reduction.  If the resulting Ala-tRNACys were added to a mixture of (1) ribosomes, (2) all the other tRNAs and amino acids, (3) all of the cofactors and enzymes needed to make protein in vitro, and (4) mRNA for hemoglobin, where in the newly synthesized hemoglobin would the Ala from Ala-tRNACys be incorporated?

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#Question id: 12582

#SCPH06 I Botany

Which of  the  following  describes carbon dioxide,  methane, and  water  vapor re-reflecting infrared radiation back toward Earth?