Description : The protein present in hair is (A) Elastin (B) Prolamine (C) Keratin (D) Gliadin
Last Answer : Answer : C
Description : The protein present in the finger nail is (1) Actin (2) Myosin (3) Globin (4) Keratin
Last Answer : (4) Keratin Explanation: Keratin is a fibrous protein making up most cells found in our nails and hair and the epidermis layer of our skin. It also makes up fish scales and crustacean shells, bird feathers and beaks, and animal horns and hooves.
Last Answer : Keratin
Description : This major protein component of connective tissue in mammals comprises most of the organic matter of skin, tendons, bones, and teeth, and occurs as fibrous inclusions in most other body structures. Is this material: a) elastin b) collagen c) fatty acids d) keratin
Last Answer : ANSWER: B -- collagen
Description : Marfan’s syndrome results from a mutation in the gene coding: (A) Collagen (B) Elastin (C) Fibrillin (D) Keratin
Last Answer : Answer : B
Description : Proteins that constitute keratin, collagen and elastin in body are (A) Protamines (B) Phosphol proteins (C) Scleroproteins (D) Metaproteins
Description : Match the following: Product Protein A Milk (i) keratin B Egg (ii) Myosin C Meat (iii) Casein D Wool (iv) Albumen
Last Answer : (c) A-iii, B-iv, C-ii, D-i
Description : Microtubules consist of helically stacked molecules of the protein (A) Actin (B) Myosin (C) Keratin (D) Tubulin
Last Answer : (D) Tubulin
Description : The highest concentration of cystine can be found in (A) Melanin (B) Chondroitin sulphate (C) Myosin (D) Keratin
Last Answer : Answer : D
Description : Human nails are made up of - (1) Pigment (2) Elastin (3) Albumin (4) Keratin
Last Answer : (4) Keratin Explanation: Keratin, a family of fibrous structural proteins, is the key structural component of hair and nails.
Description : The amino acid from which synthesis of the protein of hair keratin takes place is (A) Alanine (B) Methionine (C) Proline (D) Hydroxyproline
Description : The most abundant protein in mammals is (A) Albumin (B) Haemoglobin (C) Collagen (D) Elastin
Description : In biological studies which of the following is used to refer to the oxygen-binding, iron-containing, conjugated protein complex present in the sarcoplasm of muscle cells? a) myelin b) myosin c) myoglobin d) none of these
Last Answer : ANSWER: C -- MYOGLOBIN
Description : A protein having both structural and enzymatic traits is (A) Myosin (B) Collagen (C) Trypsin (D) Actin
Last Answer : Answer : A
Description : Alpha-keratin is a protein present in which thing? -General Knowledge
Last Answer : The answer is 'Wool '
Last Answer : answer:
Description : 1. Alpha-keratin is a protein present in which thing? 2. Where was the first session of the Constituent Assembly held? 3. Which of the following is used as a moderator in nuclear reactor? 4. ... place is the same as which place? 20. What was the script used in the earliest Tamil inscriptions?
Last Answer : Answer : 1. Wool 2. New Delhi 3. Graphite 4. Mars 5. Afghanistan 6. Bangladesh 7. 9 players each 8. Thyroid gland 9. Jupiter 10. Grama 11. Jawaharlal Nehru 12. Plutonium 13. After the drought ... Philosophy 16. A House for Mr. Biswas 17. Gambusia 18. Right to freedom 19. Celestial pole 20. Brahmi
Description : Which of the following protein is rich in cysteine? (A) Elastine (B) Collagen (C) Fibrin (D) Keratin
Description : A protein rich in cysteine is (A) Collagen (B) Keratin (C) Haemoglobin (D) Gelatin
Description : The primary structure of fibroin, the principal protein of silk worm fibres consists almost entirely of (A) Glycine (B) Aspartate (C) Keratin (D) Tryptophan
Description : The major constituent of the proteins of hair and keratin of skin: (A) Arginine (B) Cysteine (C) Glycine (D) Arginine
Description : The example of metalloproteins: (A) Siderophilin (B) OREES mucoid (C) Elastin (D) All of these
Description : The example of scleroproteins: (A) Glutamin (B) Giladin (C) Salmine (D) Elastin
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
Description : Which of the following is the contractile protein of a muscle? (a) Tropomyosin (b) Tubulin (c) Myosin (d) All of these
Last Answer : (c) Myosin
Description : The contractile protein of skeletal muscle involving ATPase activity is (a) troponin (b) tropomyosin (c) myosin (d) α-actinin.
Last Answer : (c) myosin
Description : Mitotic spindle is mainly composed of which protein? (a) Actin (b) Myosin (c) Actomyosin (d) Myoglobin
Last Answer : c) Actomyosin
Description : Myosin is one of two proteins that make up the myofibrils of striated muscles. Name the other protein.
Last Answer : ANSWER: Actin
Description : Which of the following is a fibrous protein? (1) Haemoglobin (2) Albumin (3) Keratin (4) Enzymes
Last Answer : (3) Keratin Explanation: Keratin is a family of fibrous structural proteins. It is the key structural material making up the outer layer of human skin. It is also the key structural component of hair and nails. Another example of fibrous protein is collagen.
Description : An example of protein which acts as a hormone is : (1) nypsin (2) Oxytocin (3) Keratin (4) Casein
Last Answer : (2) Oxytocin Explanation: Hormonal Proteins are messenger proteins which help to coordinate certain bodily activities. Examples include Insulin, Oxytocin, and Somatotropin. Oxytocin stimulates contractions in females during childbirth.
Description : The protein from which hook and filaments of flagella are composed of, is A- keratin B- flagellin C- gelatin D- casein
Last Answer : flagellin
Description : The microfilaments composed of (A) Actin protein (B) Gelatin protein (C) Keratin protein (D) Tubulin protein
Last Answer : (A) Actin protein
Description : Which of the following is a fibrous protein ? (1) Haemoglobin (2) Albumin (3) Keratin (4) Enzymes
Description : An example of protein which acts as a hormone is : (1) Trypsin (2) Oxytocin (3) Keratin (4) Casein
Last Answer : Oxytocin
Description : I'm getting a keratin treatment in two hours. Should I wash my hair or leave it dirty?
Last Answer : Leave it.
Description : Accumulation of keratin and follicular material that adheres to hair shaft A. Impetigo B. Scales C. Follicular Cast
Last Answer : Ans: C
Description : Collagen and elastin are formed by
Last Answer : Collagen and elastin are formed by A. Mocrophages B. Fibroblasts C. Mast cells D. Chondrocytes
Description : Which of the following statements is correct? (a) Cornea consists of dense matrix of collagen and is the most sensitive portion of the eye. (b) Cornea is an external, transparent and protective ... elastin and can repair itself. (d) Cornea is convex, transparent layer which is highly vascularised.
Last Answer : (a) Cornea consists of dense matrix of collagen and is the most sensitive portion of the eye.
Description : An example of scleroprotein is (A) Zein (B) Keratin (C) Glutenin (D) Ovoglobulin
Description : Synovial fluid contains (A) Heparin (B) Hyaluronic acid (C) Chondroitin sulphate (D) Keratin sulphate
Last Answer : B
Description : Myosin filaments are localized in
Last Answer : Myosin filaments are localized in A. Z band B. H band C. A band D. None of the above
Description : The number of thick myofilaments (myosin) surrounding Single thin myofilament (actin) are
Last Answer : The number of thick myofilaments (myosin) surrounding Single thin myofilament (actin) are A. 3 B. 6 C. 2 D. 4
Description : Which term is the smallest subdivision in this group? (a) Fibre (b) Fibril (c) Filament (d) Myosin
Last Answer : Ans:(c)
Description : Myosin bridges can be prevented from combining actin by two regulator proteins in resting muscle by (a) troponin (b) myofibril (c) troponin and tropomyosin (d) natural inhibiting proteins
Description : The H-disk in the skeletal muscle fibre is due to (a) the absence of myofibrils in the central portion of Aband (b) the central gap between myosin filaments in the Aband Questions (c) the ... myosin filaments in the A-band (d) birefringence of myosin filaments in the central portion of A-band
Description : The contractile proteins in a muscle are (1) Actin and Myosin (2) Actin and Tropomyosin (3) Myosin and Troponin (4)Troponin and Tropomyosin
Last Answer : (1) Actin and Myosin Explanation: Muscle fibers or myofibrils are formed of three types of proteins which are (1) contractile, (2) regulatory, and (3) structural. Contractile proteins are the force ... are Actin which is part of thin filament and Myosin, which is part of the thick filament.
Description : The concentration of which of the following decreases in anaemia? (1) Haemoglobin (2) Collagen (3) Hyoglobin (4) Myosin
Last Answer : (1) Haemoglobin Explanation: Anemia is a decrease in number of red blood cells (RBCs) or less than the normal quantity of hemoglobin in the blood. However, it can include decreased oxygen-binding ... oxygen from the lungs to the capillaries, anemia leads to hypoxia (lack of oxygen) in organs.
Description : In the skeletal muscle: a. myosin is found in the thick filament b. the thin filament contains actin and troponin c. during stimulus excitation calcium ions are derived from the serum d. tropomyosin masks the myosin-combining sites on the actin
Last Answer : tropomyosin masks the myosin-combining sites on the actin
Description : The following are true about the smooth muscle cells: a. presence of a striated appearance b. do not contain actin and myosin c. spontaneous muscle contraction d. mitochondria are absent
Last Answer : spontaneous muscle contraction