In the disease familial hypercholesterolemia (inherited tendency for high blood LDL cholesterol levels), the protein that helps clear cholesterol from the blood (called the LDL receptor) has a single amino acid that is different from the normal protein. This amino acid change greatly reduces the ability to clear cholesterol from the blood, resulting in high cholesterol levels and the risk of heart attack. Which of the following are different (compared to normal) in the person suffering from familial hypercholesterolemia? __The sequence of the mRNA that encodes for the LDL receptor. __The DNA sequence of the gene for the LDL receptor. __The presence of the gene for the LDL receptor. __The amino acid sequence of the LDL receptor.
In the disease familial hypercholesterolemia (inherited tendency for high blood LDL cholesterol levels), the protein that helps clear cholesterol from the blood (called the LDL receptor) has a single amino acid that is different from the normal protein. This amino acid change greatly reduces the ability to clear cholesterol from the blood, resulting in high cholesterol levels and the risk of heart attack. Which of the following are different (compared to normal) in the person suffering from familial hypercholesterolemia? __The sequence of the mRNA that encodes for the LDL receptor. __The DNA sequence of the gene for the LDL receptor. __The presence of the gene for the LDL receptor. __The amino acid sequence of the LDL receptor.
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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In the disease familial hypercholesterolemia (inherited tendency for high blood LDL cholesterol levels), the protein that helps clear cholesterol from the blood (called the LDL receptor) has a single amino acid that is different from the normal protein. This amino acid change greatly reduces the ability to clear cholesterol from the blood, resulting in high cholesterol levels and the risk of heart attack.
Which of the following are different (compared to normal) in the person suffering from familial hypercholesterolemia?
Which of the following are different (compared to normal) in the person suffering from familial hypercholesterolemia?
__The sequence of the mRNA that encodes for the LDL receptor.
__The DNA sequence of the gene for the LDL receptor.
__The presence of the gene for the LDL receptor.
__The amino acid sequence of the LDL receptor.
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