Proteins found in the blood respond to blood vessel damage by clumping together forming a clot that physically blocks the hole in the vessel and prevents further blood loss. If clotting proteins were active all the time, they would create clots throughout your circulatory system. Which of the following would be the most efficient way for the body to regulate the expression of the proteins involved in clotting? A.Tightly package the genes for clotting proteins so that RNA polymerase cannot access them unless they are needed. B.Produce and store the clotting protein in an inactive form. When the protein is needed, use another protein to activate the clotting protein. C.Constantly make the clotting proteins, but then break them down instantly after translation if they are not needed. D.Use a repressor protein to keep clotting genes turned off until they are needed.

Answer : b) Produce and store the clotting protein in an inactive form. When the protein is needed, use another protein to activate the clotting protein.Clotting proteins are present in the body in inactive form and if there is any injury in the body anywhere there will be release of another protein which regulates the clotting proteins and which releases the clotting factors forming the clot and stopping the access flow of blood.

Answered: Proteins found in the blood respond to…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Proteins found in the blood respond to blood vessel damage by clumping together forming a clot that physically blocks the hole in the vessel and prevents further blood loss. If clotting proteins were active all the time, they would create clots throughout your circulatory system. Which of the following would be the most efficient way for the body to regulate the expression of the proteins involved in clotting?

	A.	Tightly package the genes for clotting proteins so that RNA polymerase cannot access them unless they are needed.
	B.	Produce and store the clotting protein in an inactive form. When the protein is needed, use another protein to activate the clotting protein.
	C.	Constantly make the clotting proteins, but then break them down instantly after translation if they are not needed.
	D.	Use a repressor protein to keep clotting genes turned off until they are needed.

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