If a protein can be induced to crystallize, its molecular strucRAN ture can be determined by X-ray crystallography. Protein crystals, though solid, contain a large amount of water molecules along with the protein. The protein chicken egg-white lysozyme, for instance, crystallizes with a unit cell having angles of $9 0^{\circ}$ and with edge lengths of $7.9 \times 1 0^{3} pm, 7.9 \times 1 0^{3} pm$ , and $3.8 \times 1 0^{3} pm$ . There are eight molecules in the unit cell. If the lysozyme molecule has a molecular weight of $1.44 \times 1 0^{4}$ and a density of $1.35 g / cm^{3}$ , what percent of the unit cell is occupied by the protein?

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If a protein can be induced to crystallize, its molecular strucRAN ture can be determined by X-ray crystallography. Protein crystals, though solid, contain a large amount of water molecules along with the protein. The protein chicken egg-white lysozyme, for instance, crystallizes with a unit cell having angles of

9 0^{\circ}

and with edge lengths of

7.9 \times 1 0^{3} pm, 7.9 \times 1 0^{3} pm

, and

3.8 \times 1 0^{3} pm

. There are eight molecules in the unit cell. If the lysozyme molecule has a molecular weight of

1.44 \times 1 0^{4}

and a density of

1.35 g / cm^{3}

, what percent of the unit cell is occupied by the protein?

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Question Text	If a protein can be induced to crystallize, its molecular strucRAN ture can be determined by X-ray crystallography. Protein crystals, though solid, contain a large amount of water molecules along with the protein. The protein chicken egg-white lysozyme, for instance, crystallizes with a unit cell having angles of $9 0^{\circ}$ and with edge lengths of $7.9 \times 1 0^{3} pm, 7.9 \times 1 0^{3} pm$ , and $3.8 \times 1 0^{3} pm$ . There are eight molecules in the unit cell. If the lysozyme molecule has a molecular weight of $1.44 \times 1 0^{4}$ and a density of $1.35 g / cm^{3}$ , what percent of the unit cell is occupied by the protein?
Topic	All topics
Subject	Chemistry
Class	Class 12

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