Answer:
Quaternary structure
Explanation:
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A protein can be characterized by:
Primary structure: it is the linear sequence of amino acids.
Secondary structure: The amino acid sequence is folded by intermolecular interactions.
Tertiary structure: A greater folding of amino acids is observed by intermolecular interactions and disulfide bridges.
Quaternary structure: Two or more chains of folded amino acids join to form a new, more complex structure.
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Answer:
0.1388 g
Explanation:
The mass of 
obtained on precipitation = 236 mg
1 mg = 0.001 g
Thus, Mass of = 0.236 g
Molar mass of = 233.43 g/mol
The formula for the calculation of moles is shown below:
Thus,
Moles of = 0.001011 moles
According to the reaction,
Thus, moles of barium = 0.001011 moles
Molar mass of barium = 137.327 g/mol
Thus, Mass = Moles * Molar mass = 0.001011*137.327 g = 0.1388 g
Social forces shape technology both in the form of deliberate social activism and also in unconscious ways. For example, in social activism, large demonstrations against oil pipelines can lead to more rapid development of alternatives to fossil fuels. Somewhat unconsciously, the clogging of cars in tight downtown areas in cities and decreasing parking space gave an impetus to develop new forms of rapid transit like subways and electric articulated buses.
