The proteins of wool, hair, horns etc. is called a. Collagens b. Elastins c. Keratins d. Fibrin

The proteins of wool, hair, horns etc. is called
a. Collagens
b. Elastins
c. Keratins
d. Fibrin
by

1 Answer

Answer :

Keratins
by

Related questions

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During blood clotting , fibrin is produced by

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Hemostasis and the cessation of bleeding require which of the following processes? A. Adherence of platelets to exposed subendothelial glycoproteins and collagen with subsequent aggregation of platelets and formation of a hemostatic plug. B. Interaction of tissue factor with factor VII circulating in the plasma. C. The production of thrombin via the coagulation cascade with conversion of fibrinogen to fibrin. D. Cross-linking of fibrin by factor XIII.

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Blood does not coagulate inside the body due to the presence of (a) haemoglobin (b) heparin (c) fibrin (d) plasma

Description : Blood does not coagulate inside the body due to the presence of (a) haemoglobin (b) heparin (c) fibrin (d) plasma

Last Answer : Ans:(b)

Blood does not coagulate inside the body due to the presence of – (1) Plasma (2) Haemoglobin (3) Heparin (4) Fibrin

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Last Answer : (3) Heparin Explanation: Heparin is a naturally-occurring anticoagulant produced by basophils and mast cells. Heparin acts as an anticoagulant, preventing the formation of clots and extension of existing clots ... is present in the walls of blood vessels where it doesn't allow blood to clot.

Which among the following blood protein regulates the amount of water in plasma? (1) Globulin (2) Albumin (3) Fibrin (4) Fibulir

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Last Answer : (2) Albumin

Keloid scar during healing: B A. is normal scar and is common B. caused by the excess deposition of fibrin in the wound and are larger than the wound C. may be prevented by pressure dressing D. keloid are always harmful to the body

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Last Answer : caused by the excess deposition of fibrin in the wound and are larger than the wound

The main feature of a wound healing is C A. Lymphocyte accumulation B. Fibrin deposition C. Granulation tissue formation D. Tissue destruction

Description : The main feature of a wound healing is C A. Lymphocyte accumulation B. Fibrin deposition C. Granulation tissue formation D. Tissue destruction

Last Answer : Granulation tissue formation

The main feature of a healing wound is: C A. Lymphocyte accumulation B. Fibrin deposition C. Granulation tissue D. None of these

Description : The main feature of a healing wound is: C A. Lymphocyte accumulation B. Fibrin deposition C. Granulation tissue D. None of these

Last Answer : Granulation tissue

The following are true about blood coagulation: a. heparin inhibits blood coagulation through its interference with vitamin K metabolism in the liver b. addition of vitamin K to freshly drawn blood delays clotting c. thrombin converts fibrinogen to fibrin d. platelets are essential for blood clot

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Last Answer : thrombin converts fibrinogen to fibrin

Vitamin K is required for (a) change of prothrombin into thrombin (b) synthesis of prothrombin (c) change of fibrinogen to fibrin (d) formation of thromboplastin.

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Last Answer : (b) synthesis of prothrombin

Non bacterialropiness or sliminess in milk and milk products may be duetoThe A- stringiness caused by mastitis and in particular by fibrin and leucocytes from the cow's blood. B- sliminess resulting from the thickness of the cream C- stringiness due to thin films of casein or lactalbumin during cooling D- all of the above

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Last Answer : all of the above

A patient who has been taking quantities of aspirin might show increased post operative bleeding because aspirin inhibits:** A. Synthesis of thromboxane A2 and prevents platelet aggregation B. Synthesis of prostacyclin and prevents platelet aggregation C. Synthesis of prostaglandin and prevents production of blood platelets D. Thrombin and prevents formation of the fibrin network E. Increase the absorption of vitamin K and prevents synthesis of blood clotting factors

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Last Answer : A. Synthesis of thromboxane A2 and prevents platelet aggregation

Platelets play an important role in haemostasis; which of the following describes this role? A. They convert fibrinogen to fibrin B. They agglutinate and plug small, ruptured vessels C. They initiate fibrinolysis in thrombosis D. They supply fibrin stabilizing factors E. They supply proconvertin for thromboplastin activation

Description : Platelets play an important role in haemostasis; which of the following describes this role? A. They convert fibrinogen to fibrin B. They agglutinate and plug small, ruptured ... thrombosis D. They supply fibrin stabilizing factors E. They supply proconvertin for thromboplastin activation

Last Answer : B. They agglutinate and plug small, ruptured vessels

Which fibrinolytic agent(s) selectively activate(s) fibrin bound plasminogen rather than circulating plasminogen: A. Urokinase B. Streptokinase C. Alteplase D. Both ‘A’ and ‘C

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Last Answer : C. Alteplase

Blood does not coagulate inside the body due to the presence of (1) Plasma (2) Haemoglobin (3) Heparin (4) Fibrin

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Last Answer : Heparin

The major constituent of the proteins of hair and keratin of skin: (A) Arginine (B) Cysteine (C) Glycine (D) Arginine

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Last Answer : Answer : B

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Last Answer : answer:

Which is called philosopher’s wool?

Description : Which is called philosopher’s wool?

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