The three-dimensional structure of a protein is determined primarily by:

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#Question id: 27375

#Introduction to Biochemistry

An atom of sodium has an atomic number of 11 and a mass number of 23. Which of the following statements is correct?

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#Question id: 10261

#Introduction to Biochemistry

What is the enthalpy change for the given reaction?

CH3CH3 + Cl2 → CH3CH2Cl + HCl

Given the enthalpies

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#Question id: 48

#Bioorganic Chemistry and Metabolites

Which of the following statements regarding enantiomers true?

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#Question id: 50

#Introduction to Biochemistry

The enzyme fumarase catalyzes the reverse hydration of fumaric acid to l-malate, but it will not catalyze the hydration of maleic acid, the cis isomer of fumaric acid. This is an example of:

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#Question id: 27068

#Bioorganic Chemistry and Metabolites

Isoleucine and Threonine have two chiral carbons so exists in multiple RS configuration, choose the correct option regarding the given fig.

1. a is D-threonine is (2S, 3S) threonine

2. b is L-threonine is (2R,3S) threonine

3. a is L-threonine is (2S, 3R) threonine

4. b is D-threonine is (2R,3S) threonine