Which of the Following Would Result in the Greatest Decrease

question 17

Multiple Choice

Which of the following would result in the greatest decrease in function of the catalytic triad found in serine proteases?

• A)Mutation to Ser,Cys,Asp
• B)Mutation to Ser,His,Asp
• C)Mutation to Cys,His,Asp
• D)Mutation to Ser,His,Glu
• E)Mutation to Cys,His,Glu

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Definitions:

Fetal Distress

Fetal distress is a term used to describe signs before and during childbirth indicating that the fetus is not well, often due to inadequate oxygen supply.

Oxygen

A chemical element essential for respiration in most living organisms and used in various industrial applications; it is the most abundant element in the Earth's crust.

Maternal Serum Screen

A blood test performed on pregnant women to evaluate the risk of certain birth defects or chromosomal abnormalities in the fetus.

Blood

A vital liquid in humans and animals that delivers necessary substances such as nutrients and oxygen to cells, and transports metabolic waste products away.