The number of helices present in a collagen molecule is (A) 1 (B) 2 (C) 3 (D) 4

The number of helices present in a collagen molecule is (A) 1 (B) 2 (C) 3 (D) 4
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The number of helices present in a collagen molecule is (A) 1 (B) 2 (C) 3 (D) 4

Description : The number of helices present in a collagen molecule is (A) 1 (B) 2 (C) 3 (D) 4

Last Answer : Answer : C

Collagen and elastin have the following similarity: (A) Both are triple helices (B) Both have hydroxyproline residues (C) Both have hydrolysine residues (D) Both are glycoproteins

Description : Collagen and elastin have the following similarity: (A) Both are triple helices (B) Both have hydroxyproline residues (C) Both have hydrolysine residues (D) Both are glycoproteins

Last Answer : Answer : A

All the following statement about hydroxyproline are true except (A) There is no codon for hydroxyproline (B) It is present in large amounts in collagen (C) Free proline cannot be hydroxylated to hydroxyproline (D) Hydroxylation of proline residues is catalysed by a dioxygenase

Description : All the following statement about hydroxyproline are true except (A) There is no codon for hydroxyproline (B) It is present in large amounts in collagen (C) Free proline cannot be hydroxylated to hydroxyproline (D) Hydroxylation of proline residues is catalysed by a dioxygenase

Last Answer : Answer : D

Which of the following statement(s) is/are true concerning the proliferative phase of wound healing? a. The macrophage is the predominant cell type b. The pink or purple-red appearance of a wound is due to ingrowth and proliferation of endothelial cells c. Collagen, the dominant structural molecule of the wound matrix, contains two unique amino acids, hydroxyproline and hydroxylysine d. The predominant collagen type in a scar is type 3

Description : Which of the following statement(s) is/are true concerning the proliferative phase of wound healing? a. The macrophage is the predominant cell type b. The pink or purple-red appearance of a wound ... amino acids, hydroxyproline and hydroxylysine d. The predominant collagen type in a scar is type 3

Last Answer : Answer: b, c The proliferative phase of wound healing begins with the formation of a provisional matrix of fibrin and fibronectin as part of the initial clot formation. Initially, the provisional ... The principal collagen type scar is type 1, with lesser amounts of type 3 collagen also present

In 3rd generation dentin bonding agents, HEMA (Hydroxyethylmethacrylate) is 1. a hydrophilic monomer that wets the dentinal surface 2. a hydrophilic resin that forms a ”hybrid” layer by chemically reacting the intertubular dentin. 3. a hydrophilic monomer that alters collagen to promote cross linking of collagen to dentin. 4. a bifunctional molecule resin that copolymerizes to bis-GMA resins. a. 1,2 b. 1,4 c. 2,3 d. 1,3 e. 3,4

Description : In 3rd generation dentin bonding agents, HEMA (Hydroxyethylmethacrylate) is 1. a hydrophilic monomer that wets the dentinal surface 2. a hydrophilic resin that forms a hybrid layer by chemically reacting the intertubular dentin. 3. a hydrophilic ... a. 1,2 b. 1,4 c. 2,3 d. 1,3 e. 3,4

Last Answer : b. 1,4

A concentric spring consist of two helical compression springs (A) both springs always have right hand helix (B) both springs always have left hand helix (C) both springs always have opposite hand of helices (D) any of the above

Description : A concentric spring consist of two helical compression springs (A) both springs always have right hand helix (B) both springs always have left hand helix (C) both springs always have opposite hand of helices (D) any of the above

Last Answer : (C) both springs always have opposite hand of helices

According to IS:456, the diameter of the helices in circular a column shall be at least [ A ] The diameter of longitudinal steel [ B ] One-half the diameter of longitudinal steel [ C ] One-fourth the diameter of longitudinal steel [ D ] Three-fourth the diameter of longitudinal steel

Description : According to IS:456, the diameter of the helices in circular a column shall be at least [ A ] The diameter of longitudinal steel [ B ] One-half the diameter of longitudinal steel [ C ] One-fourth the diameter of longitudinal steel [ D ] Three-fourth the diameter of longitudinal steel

Last Answer : [ C ] One-fourth the diameter of longitudinal steel

Typically proteins do not work in their simple amino acid chain structure but instead fold and form shapes that help in their function. Which of the structures is described as being in alpha helices and beta sheets?

Description : Typically proteins do not work in their simple amino acid chain structure but instead fold and form shapes that help in their function. Which of the structures is described as being in alpha helices and beta sheets?

Last Answer : Secondary Protein Structure

Which of the following substances, not normally present in the circulation, trigger the initiating events in the hemostatic process? a. Thrombin b. Platelet factor 3 c. Tissue factor d. Collagen

Description : Which of the following substances, not normally present in the circulation, trigger the initiating events in the hemostatic process? a. Thrombin b. Platelet factor 3 c. Tissue factor d. Collagen

Last Answer : Answer: c, d The initiating agents for hemostasis involve two substances that are not normally present in the circulation-collagen and tissue factor. Tissue factor is released from ... phospholipid surface to form the so-called prothrombinase complex which catalyzes the formation of thrombin

Fibronectin has binding sites for all of the following except (A) Glycophorin (B) Collagen (C) Heparin (D) Integrin receptor

Description : Fibronectin has binding sites for all of the following except (A) Glycophorin (B) Collagen (C) Heparin (D) Integrin receptor

Last Answer : Answer : C

Marfan’s syndrome results from a mutation in the gene coding: (A) Collagen (B) Elastin (C) Fibrillin (D) Keratin

Description : Marfan’s syndrome results from a mutation in the gene coding: (A) Collagen (B) Elastin (C) Fibrillin (D) Keratin

Last Answer : Answer : B

A deficiency of copper effects the formation of normal collagen by reducing the activity of which of the following enzyme? (A) Prolyl hydroxylase (B) Lysyl oxidase (C) Lysyl hydroxylase (D) Glucosyl transferase

Description : A deficiency of copper effects the formation of normal collagen by reducing the activity of which of the following enzyme? (A) Prolyl hydroxylase (B) Lysyl oxidase (C) Lysyl hydroxylase (D) Glucosyl transferase

Last Answer : Answer : B

A protein having both structural and enzymatic traits is (A) Myosin (B) Collagen (C) Trypsin (D) Actin

Description : A protein having both structural and enzymatic traits is (A) Myosin (B) Collagen (C) Trypsin (D) Actin

Last Answer : Answer : A

Ascorbic acid is required to synthesise all of the following except (A) Collagen (B) Bile acids (C) Bile pigments (D) Epinephrine

Description : Ascorbic acid is required to synthesise all of the following except (A) Collagen (B) Bile acids (C) Bile pigments (D) Epinephrine

Last Answer : Answer : C

The vitamin required for the formation of hydroxyproline (in collagen) is (A) Vitamin C (B) Vitamin A (C) Vitamin D (D) Vitamin E

Description : The vitamin required for the formation of hydroxyproline (in collagen) is (A) Vitamin C (B) Vitamin A (C) Vitamin D (D) Vitamin E

Last Answer : Answer : A

Proteins that constitute keratin, collagen and elastin in body are (A) Protamines (B) Phosphol proteins (C) Scleroproteins (D) Metaproteins

Description : Proteins that constitute keratin, collagen and elastin in body are (A) Protamines (B) Phosphol proteins (C) Scleroproteins (D) Metaproteins

Last Answer : Answer : C

Which of the following protein is rich in cysteine? (A) Elastine (B) Collagen (C) Fibrin (D) Keratin

Description : Which of the following protein is rich in cysteine? (A) Elastine (B) Collagen (C) Fibrin (D) Keratin

Last Answer : Answer : D

Collagen is very rich in (A) Glycine (B) Serine (C) Aspartic acid (D) Glutamic acid

Description : Collagen is very rich in (A) Glycine (B) Serine (C) Aspartic acid (D) Glutamic acid

Last Answer : Answer : A

Abnormal collagen structure is seen in all of the following except (A) I-cell disease (B) Osteogenesis imperfecta (C) Menke’s disease (D) Ehlers-Danlos sydrome

Description : Abnormal collagen structure is seen in all of the following except (A) I-cell disease (B) Osteogenesis imperfecta (C) Menke’s disease (D) Ehlers-Danlos sydrome

Last Answer : Answer : B

The most abundant collagen in cartilages is (A) Type I (B) Type II (C) Type III (D) Type IV

Description : The most abundant collagen in cartilages is (A) Type I (B) Type II (C) Type III (D) Type IV

Last Answer : Answer : B

The most abundant protein in bones is (A) Collagen type I (B) Collagen type II (C) Collagen type III (D) Non-collagen proteins

Description : The most abundant protein in bones is (A) Collagen type I (B) Collagen type II (C) Collagen type III (D) Non-collagen proteins

Last Answer : Answer : A

All of the following are glycoproteins except (A) Collagen (B) Albumin (C) Transferrin (D) IgM

Description : All of the following are glycoproteins except (A) Collagen (B) Albumin (C) Transferrin (D) IgM

Last Answer : Answer : B

A protein rich in hydroxyproline is (A) Prolamin (B) Procollagen (C) Collagen (D) Proinsulin

Description : A protein rich in hydroxyproline is (A) Prolamin (B) Procollagen (C) Collagen (D) Proinsulin

Last Answer : Answer : C

The most abundant protein in mammals is (A) Albumin (B) Haemoglobin (C) Collagen (D) Elastin

Description : The most abundant protein in mammals is (A) Albumin (B) Haemoglobin (C) Collagen (D) Elastin

Last Answer : Answer : C

A protein rich in cysteine is (A) Collagen (B) Keratin (C) Haemoglobin (D) Gelatin

Description : A protein rich in cysteine is (A) Collagen (B) Keratin (C) Haemoglobin (D) Gelatin

Last Answer : Answer : B

The nitrogenous base present in the RNA molecule is (A) Thymine (B) Uracil (C) Xanthine (D) Hypoxanthine

Description : The nitrogenous base present in the RNA molecule is (A) Thymine (B) Uracil (C) Xanthine (D) Hypoxanthine

Last Answer : Answer : B

Which of the following statement(s) is/are true concerning pharmacologic agents used to accelerate wound healing? a. A number of these agents are now currently approved for use in this country b. PDGF (platelet-derived growth factor) promotes fibroblast proliferation, chemotaxis, and collagenase synthesis c. PDGF has been demonstrated in a number of clinical trials to promote healing in chronic wounds d. Growth hormone functions by promoting fibroblast proliferation and collagen synthesis

Description : Which of the following statement(s) is/are true concerning pharmacologic agents used to accelerate wound healing? a. A number of these agents are now currently approved for use in ... healing in chronic wounds d. Growth hormone functions by promoting fibroblast proliferation and collagen synthesis

Last Answer : Answer: b, c Currently there are no approved clinical agents that accelerate normal healing. Although a number of clinical trials are in progress, no agents are currently ... hormone administration significantly accelerates donor site healing, presumably due to its effects in minimizing catabolism

Anyone take collagen supplement and actually see some results?

Description : Anyone take collagen supplement and actually see some results?

Last Answer : I took them for about a year and saw no discernible results.

Which collagen supplement is better bovine or marine?

Description : Which collagen supplement is better bovine or marine?

Last Answer : I think it depends on what your doctor says.I suggest you ask your doctor first.

Where do cosmetic companies get collagen from?

Description : Where do cosmetic companies get collagen from?

Last Answer : it comes from the fat of the rich and is obtained by a man named Tyler Durden.

what is the bst collagen in 2021?

Description : what is the bst collagen in 2021?

Last Answer : Collagen SelectThe best collagen on the market!Visibly reduces wrinkles,Increases skin elasticity,Helps in maintaining a youthful appearance,Firms the skin and improves its natural beauty.nplink.net/0zmfgfor

What are the good effects of collagen?

Description : If I take extra collagen, what will be the effects?

Last Answer : It also has a good effect on joints and skin. Eliminates wrinkles and prevents them from forming.

How to supply collagen to the body

Description : Is there any food? I have little collagen and I don't want to buy it at the pharmacy because it is expensive.

Last Answer : Add pusher to your diet.

Which drug with collagen is the best?

Description : Do you have any experienced for joint pain.

Last Answer : The best is collagen in its natural form - stuffing, aspic, plywood (for example goulash), pork knee ...

How to supplement collagen?

Description : When I don't eat pork packs but I have a problem with my knees. What else but the helpers does it help?

Last Answer : Collagen can also be bought as a dietary supplement in tablets. E.g. http://www.zbozi.cz/?typ=produkty&q=kolagen+na+klouby#utm_source=search.seznam.cz&utm_medium=hint&utm_term=kolagen%20na%20klouby&utm_content=product&utm_campaign=nasli-jsme

Assertion : Fibrous cartilage posses thich dense bundle of collagen fibre in matrix. Reason : Fibrous cartilage is the hardest cartilage.

Description : Assertion : Fibrous cartilage posses thich dense bundle of collagen fibre in matrix. Reason : Fibrous cartilage is the hardest cartilage.

Last Answer : Assertion : Fibrous cartilage posses thich dense bundle of collagen fibre in matrix. Reason : Fibrous ... D. If both Assertion & Reason are false.

Collagen fibres are secreted by

Description : Collagen fibres are secreted by

Last Answer : Collagen fibres are secreted by A. Mast cells B. Macrophage C. Histiocytes D. Fibroblasts

Collagen and elastin are formed by

Description : Collagen and elastin are formed by

Last Answer : Collagen and elastin are formed by A. Mocrophages B. Fibroblasts C. Mast cells D. Chondrocytes

All the following cells produces collagen except :-

Description : All the following cells produces collagen except :-

Last Answer : All the following cells produces collagen except :- A. Osteoblast B. Chondroblast C. Fibro blast D. Mast cells

Where blood contain collagen?

Description : Where blood contain collagen?

Last Answer : Need answer

What the nervous tissues cells secrete collagen?

Description : What the nervous tissues cells secrete collagen?

Last Answer : What is the answer ?

What protein forms a bridge between exposed vessel wall collagen and platelet surface receptors?

Description : What protein forms a bridge between exposed vessel wall collagen and platelet surface receptors?

Last Answer : Need answer

Collagen vascular disease?

Description : Collagen vascular disease?

Last Answer : DefinitionCollagen is a tough, glue-like protein that makes up 30% of body protein. It shapes the structure of tendons, bones, and ... nodosaRheumatoid arthritisSclerodermaSystemic lupus erythematosusSymptomsSymptoms of collagen vascular disease may include:AnemiaFeverJoint inflammationWeakness

Do you know if getting collagen injections can help with weight loss?

Description : Do you know if getting collagen injections can help with weight loss?

Last Answer : The body produces collagen naturally. The older we get, the less collagen we produce, which can result in fine lines and wrinkles. Collagen injections can be used to plumb up those areas ... any other product making such claims. Weight loss is about deficit calories, healthy eating and exercise.

What are some uses for collagen cream?

Description : What are some uses for collagen cream?

Last Answer : Collagen cream is used to eliminate wrinkles on the skin. It helps to provide smoother skin for a younger appearance.

What exactly does a collagen cream do to my skin?

Description : What exactly does a collagen cream do to my skin?

Last Answer : Collagen cream is used to maintain a youthful appearance. Collagen creams have anti aging, anti wrinkle, and collagen holds your skin together to make you look younger.

Is it possible to get a life threatening allergic reaction to collagen treament?

Description : Is it possible to get a life threatening allergic reaction to collagen treament?

Last Answer : Yes, only if you are actually allergic to collagen. It is possible to be allergic to collagen.

collagen injection in lips?

Description : collagen injection in lips?

Last Answer : Collagen injection in your lips adds volume without surgery. Here is a link to more information about the cosmetic procedure: http://www.medic8.com/cosmetic-surgery/collagen-lip-injection.htm How many injections does it ... have skinny lips i hate them i am a guy so not to big want medium full lips

Why do people use collagen cream?

Description : Why do people use collagen cream?

Last Answer : People use collagen to try and reduce and reverse the signs of ageing, for example wrinkles. The collagen molecule is a large one and there is no firm evidence that applied as a cream it has any effect on the skin.

what does collagen cream do?

Description : what does collagen cream do?

Last Answer : Collagen cream plumps the skin to reduce the effect of wrinkles. It works like a temporary filler.