A Protein with Five Disulfide Bonds Was Treated With $\beta$ -Mercaptoethanol and Urea

question 11

Multiple Choice

A protein with five disulfide bonds was treated with $\beta$ -mercaptoethanol and urea. Once the protein was denatured, the $\beta$ -mercaptoethanol and urea were removed by dialysis. What is the likelihood that all five disulfide bonds will reform correctly?

• A)1/5 or 20%
• B)1/10 or 10%
• C)1/10² or 4%
• D)1/5! = 1/120 or 0.83%
• E)1/945 or 0.11%

Comprehend the law of demand and the factors that cause shifts in demand curves.

Analyze how changes in consumer income affect the demand for various types of goods.

Distinguish between the concepts of income effect and substitution effect.

Understand the supply curve and its relationship with price and quantity supplied.

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Definitions:

Race

Socio-political categorizations of humans based on physical characteristics, heritage, and genetics, often mistakenly assumed to have significant biological basis.

Blood Groups

Categories into which human blood can be divided, based on the presence or absence of certain antigens; includes A, B, AB, and O blood types.

Cline

A gradual change in certain characteristics exhibited by members of a species over a geographical area.

Hormone-disrupting Chemicals

Substances that interfere with the normal functioning of the endocrine system, potentially causing developmental, reproductive, neurological, and immune problems.