Description : Iron is stored in the form of (A) Ferritin and transferrin (B) Transferrin and haemosiderin (C) Haemoglobin and myoglobin (D) Ferritin and haemosiderin
Last Answer : Answer : D
Description : Iron is transported in blood in the form of (A) Ferritin (B) Haemosiderin (C) Transferrin (D) Haemoglobin
Last Answer : Answer : C
Description : Iron-pophyrin is present as prosthetic group in (A) Cytochromes (B) Catalases (C) Peroxidase (D) None of these
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 : The enzymes present in the membrane of mitochondria are (A) Flavoproteins and cytochromes (B) Fumarase and lipase (C) Enolase and catalase (D) Hexokinase and zymase
Last Answer : Answer : A
Description : Each myoglobin molecule contains (A) One iron atom (B) Two iron atoms (C) Four iron atoms (D) Six iron atoms
Description : What is the state of iron in transferrin? (A) Ferrous form (B) Ferric form (C) Both A and B (D) None of these
Last Answer : Answer : B
Description : Which of the following is true? Hypochromic anaemia is not due to iron deficiency except (A) Serum ‘Fe’ is high (B) Normal/low transferrin (C) Stainable iron in bone marrow (D) Iron therapy is affective
Description : The gut controls the entry of ingested iron in the body by: A. Regulating the availability of apoferritin which acts as the carrier of iron across the mucosal cell B. Regulating the turnover of ... mucosal cell and is shed off D. Regulating the number of transferrin receptors on the mucosal cell
Last Answer : C. Complexing excess iron to form ferritin which remains stored in the mucosal cell and is shed off
Description : Iron is an important component of – a) Siroheme b) Ferredoxin c) Cytochromes d) All of these
Last Answer : d) All of these
Description : The following are the functions of copper: (A) Constituent of cytochromes (B) Catalase (C) Tyrosinase (D) All of these
Description : Brown adipose tissue is (A) A prominent tissue in human (B) Characterised by high content of mitochondria (C) Associated with high activity of ATP synthase (D) Characterised by low content of cytochromes
Description : All the following statements about brown adipose tissue are true except (A) It is rich in cytochromes (B) It oxidizes glucose and fatty acids (C) Oxidation and phosphorylation are tightly coupled in it (D) Dinitrophenol has no effect on it
Description : Iron sorbitol-citric acid differs from iron dextran in that: A. It cannot be injected i.v. B. It is not excreted in urine C. It is not bound to transferrin in plasma D. It produces fewer side effects
Last Answer : A. It cannot be injected i.v
Description : In the iron deficient state, transferrin receptors increase in number on the: A. Intestinal mucosal cells B. Erythropoietic cells C. Reticuloendothelial cells D. All of the above
Last Answer : cells B
Description : Myoglobin is present in
Last Answer : Myoglobin is present in A. White muscle fibers B. Red muscle fibers C. Involuntary muscles D. All the above
Description : Sigmoidal oxygen dissociation curve is a property of (A) Haemoglobin (B) Carboxyhaemoglobin (C) Myoglobin (D) Methaemoglobin
Description : Transferrin is a type of (A) Albumin (B) α-globulin (C) β1 globulin (D) γ-globulin MINERAL METABOLISM 203
Description : Molecular weight of transferrin is about (A) 40,000 (B) 60,000 (C) 80,000 (D) 1,00,000
Description : All of the following are glycoproteins except (A) Collagen (B) Albumin (C) Transferrin (D) IgM
Description : Heart failure cells, i.e.. macrophages loaded with haemosiderin, are most likely found in C A. Ascites fluid in congestive heart failure B. Pulmonary alveoli in mitral stenosis C. Left ventricular myocardium following infarction and reperfusion D. None of these
Last Answer : Ascites fluid in congestive heart failure B. Pulmonary alveoli in mitral stenosis C. Left ventricul
Description : How do cytochromes function in photosynthesis and respiration? -Biology
Last Answer : answer:
Description : What are cytochromes? -Biology
Description : Cytochromes are found in (a) cristae of mitochondria (b) lysosomes (c) matrix of mitochondria (d) outer wall of mitochondria.
Last Answer : (a) cristae of mitochondria
Description : What is Myoglobin ?
Last Answer : Myoglobin is a type of protein linked by iron and oxygen. It is most commonly found in the fleshy muscle cells of vertebrates. It is related to hemoglobin.
Description : The red colour of human blood is due to (1) myoglobin (2) hemoglobin (3) immunoglobulin (4) haptoglobin
Last Answer : (2) hemoglobin Explanation: Hemoglobin is the ironcontaining oxygen-transport metalloprotein in the red blood cells of all vertebrates which carries oxygen from the respiratory organs to the rest of the body. It ... oxygen than had in the vein the blood' came from. Therefore, the blood turns red.
Description : Mitotic spindle is mainly composed of which protein? (a) Actin (b) Myosin (c) Actomyosin (d) Myoglobin
Last Answer : c) Actomyosin
Description : Mast cells secrete (a) haemoglobin (b) hippurin (c) myoglobin (d) histamine
Last Answer : (d) histamine.
Description : Both Haemoglobin and myoglobin require _______ for formation —
Last Answer : Iron
Description : The following protein/polypeptide has a quaternary structure : (A) cc-Chymotrypsin (B) Hemoglobin (C) Insulin (D) Myoglobin
Last Answer : (B) Hemoglobin
Last Answer : hemoglobin
Description : Interleukin-6 is recognized as the cytokine primarily responsible for the alteration in hepatic protein synthesis recognized as the acute phase response. Which of the following statement(s) is/are true ... physiologic role of acute phase proteins are to reduce the systemic effects of tissue damage
Last Answer : Answer: c, d IL-6 is now recognized at the cytokine primarily responsible for the alteration in hepatic synthesis recognized as the acute phase response. Glucocorticoid hormones augment ... that generally inhibit the tissue destruction that is associated with the local initiation of inflammation
Description : A major problem in nutritional support is identifying patients at risk. Recent studies suggest that these patients can be identified. Which of the following findings identify the patient at risk? A. Weight ... transferrin of less than 220 mg. per 100 ml. E. Functional impairment by history.
Last Answer : Answer: ABCDE DISCUSSION: All of these are at least partially correct. It is not clear whether weight loss of 10% or 15% is the required threshold, but it certainly is close. Serum ... the hands of an experienced observer is quite a reasonable way of approaching and identifying patients at risk
Description : The following are true about the aqueous: a. the protein content of aqueous is about 1/5 that of the plasma b. the main type of protein found in the aqueous is transferrin c. Ig G is found in the aqueous d. stimulation of 2 receptors reduces aqueous production
Last Answer : stimulation of 2 receptors reduces aqueous production
Description : The mineral present in the human body in larger amounts than any other cation is (A) Sodium (B) Calcium (C) Potassium (D) Iron
Description : Haemoglobin contains about (A) 30% of the total body iron (B) 50% of the total body iron (C) 75% of the total body iron (D) 90% of the total body iron
Description : The percent of total iron in body in hemoglobin is (A) 10–20 (B) 20–30 (C) 30–40 (D) 60–70
Description : The total iron content of the human body is (A) 400–500 mg (B) 1–2 g (C) 2–3 g (D) 4–5 g
Description : Wrought iron contains carbon about (A) 1.5% to 5.5% (B) 0.5% to 1.75% (C) 0.1% to 0.25% (D) None to these
Last Answer : Answer: Option C
Description : Cast iron contains carbon approximately (A) 1.5% to 5.5% (B) 0.05% to 1.75% (C) 0.250 % (D) None to these
Last Answer : Answer: Option A
Description : he percentage of elemental iron in hydrated ferrous sulfate is: A. 5% B. 10% C. 20% D. 33%
Last Answer : C. 20%
Last Answer : Addition of 0.3 to 4.5% silicon to iron increases the electrical resistivity of iron.
Description : The percentage of the total body calcium present in bones is (A) 1 (B) 11 (C) 55 (D) 99
Description : The following proportion of the total body calcium is present in bones and teeth: (A) 75% (B) 90% (C) 95% (D) 99%
Description : The population of a town increases at 5% per annum. Its present population is 16000. What will be its population after 2 years? -Maths
Description : The percentage of nitrogen present in ammonium sulphate is – (1) 27% (2) 25% (3) 30.5% (4) 18%
Last Answer : (1) 27% Explanation: Ammonium sulfate, (NH4)4SO4 contains 21% nitrogen as ammonium cations, and 24% sulfur as sulfate anions. It is an inorganic salt which is most commonly used as a soil fertilizer.
Description : Present rate of Senior citizens saving scheme account is____ payable quarterly. a) 10% b) 9.3% c) 8.5 % d) 9.5%
Last Answer : b) 9.3%
Description : Present rate of interested on on 1, 2, 4, 5 years fixed deposit(TD) is a) 6.25%, 6.50%, 7.25%, 7.50% b) 7.25%, 7.50%, 8%, 8.2% c) 8.2%, 8.3%, 8.4%, 8.5% d) None of these
Last Answer : c) 8.2%, 8.3%, 8.4%, 8.5%
Description : In sea urchin DNA, which is double stranded, 17% of the bases were shown to be cytosine. The percentages of the other three bases expected to be present in this DNA are (a) G 17%, A 33%, T 33% (b) G 8.5%, A 50%, T 24.5% (c) G 34%, A 24.5%, T 24.5% (d) G 17%, A 16.5%, T 32.5%.
Last Answer : (a) G 17%, A 33%, T 33%
Description : The amount of barbaloin present in Aloe vera is (A)
Last Answer : (B) 3.5-4%