An amino acid with two chiral carbon atoms

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#Question id: 27523

#XL - U Food Technology

which of the following sugar has β-1,4 glycosidic linkage

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#Question id: 1084

#XL - Q Biochemistry

Which observation suggested to Sutherland the involvement of a second messenger in epinephrine's effect on liver cells?

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#Question id: 5295

#XL - S Microbiology

A cross is made between an Hfr that is met+ thi+ pur+ and an F-that is met- thi- pur-. Interrupted mating studies show that met+ enters the recipient last, so met+ recombinants are selected on a medium containing supplements that satisfy only the pur and thi requirements.  These recombinants are tested for the presence of the thi+ and pur+ alleles. The following numbers of individuals are found for each genotype:

A) Gene Order	I	Thi Pur  Met
	II	Pur  Met  Thi
	III	Pur   Thi  Met
B) Distance between Pur and Thi	IV	15.4 map unit
	V	1.8 map unit

What is the following correct combination?

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#Question id: 20164

#XL - P Chemistry

The radius of hydrogen atom in the ground state is 0·53 Å, the radius of ₃Li²⁺ in the similar state is

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#Question id: 18506

#XL - R Botany

Which of the following has high sugar contents