What are the major enzymes of chemical digestion? -Biology

What are the major enzymes of chemical digestion? -Biology
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Description : Why Cells that carry on digestion within the cell do not partly digest themselves because they secrete their digestive enzymes into membrane-enclosed?

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What enzymes secreted from the pancreas promote digestion?

Description : What enzymes secreted from the pancreas promote digestion?

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Enzymes help in (a) Respiration (b) Digestion of food (c) Immune system (d) Reproduction

Description : Enzymes help in (a) Respiration (b) Digestion of food (c) Immune system (d) Reproduction

Last Answer : Ans:(b)

How does the pancreatic juice participate in the digestion of proteins? What are the involved enzymes?

Description : How does the pancreatic juice participate in the digestion of proteins? What are the involved enzymes?

Last Answer : The pancreas secretes trypsinogen that, undergoing action of the enzyme enterokinase secreted by the duodenum, is transformed into trypsin. Trypsin in its turn catalyzes the activation of pancreatic ... activated by trypsin) helped by the enzyme aminopeptidase made in the intestinal mucous membrane.

Bile, an emulsifier liquid, is made by the liver and later stored within the gallbladder and released in the duodenum. Bile is composed of bile salts, cholesterol and bile pigments. Bile salts are detergents, amphiphilic molecules, i.e., molecules with a polar water-soluble portion and a non-polar fat-soluble portion. This feature allows bile salts to enclose fats inside water-soluble micelles in a process called emulsification for them to be in contact with intestinal lipases, enzymes that break fats into simpler fatty acids and glycerol. Digestion System - Image Diversity: gallbladder

Description : Bile, an emulsifier liquid, is made by the liver and later stored within the gallbladder and released in the duodenum. Bile is composed of bile salts, cholesterol and bile pigments. ... enzymes that break fats into simpler fatty acids and glycerol. Digestion System - Image Diversity: gallbladder

Last Answer : What is the adnexal organ of the digestive system in which bile is stored?

The reactions of the extracellular digestion are hydrolysis reactions, i.e., breaking of molecules with the help of water. The enzymes that participate in digestion are hydrolytic enzymes.

Description : The reactions of the extracellular digestion are hydrolysis reactions, i.e., breaking of molecules with the help of water. The enzymes that participate in digestion are hydrolytic enzymes.

Last Answer : Which organs of the body are part of the human digestive system?

Complete digestion of triacyl glycerol (triglyceride) in gastro intestinal tract needs what enzymes?

Description : Complete digestion of triacyl glycerol (triglyceride) in gastro intestinal tract needs what enzymes?

Last Answer : Pancreatic lipase, co-lipase, isomerase and bile salts

The diagram represents a section through the small intestine.What is the role of the structure labelled X ? (a) They secrete enzymes for digestion (b) They secrete hormones (c) They decrease the surface area of absorption (d) They increase the surface area of absorption

Description : The diagram represents a section through the small intestine.What is the role of the structure labelled X ? (a) They secrete enzymes for digestion (b) They secrete hormones (c) They decrease the surface area of absorption (d) They increase the surface area of absorption

Last Answer : (d) They increase the surface area of absorption

.Membranous bag with hydrolytic enzymes which is used for controlling intracellular digestion of macromolecules is (a) endoplasmic reticulum (b) nucleosome (c) lysosome (d) phagosome.

Description : .Membranous bag with hydrolytic enzymes which is used for controlling intracellular digestion of macromolecules is (a) endoplasmic reticulum (b) nucleosome (c) lysosome (d) phagosome.

Last Answer : (c) lysosome

Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in (A) Blood (B) Saliva (C) Intestine (D) Gland

Description : Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in (A) Blood (B) Saliva (C) Intestine (D) Gland

Last Answer : (B) Saliva

The process of self-digestion of selective non-functional organelles by a cell through the action of enzymes originating within the cell is referred to as (A) Pinocytosis (B) Endocytosis (C) Autophagy (D) Cytotoxicity

Description : The process of self-digestion of selective non-functional organelles by a cell through the action of enzymes originating within the cell is referred to as (A) Pinocytosis (B) Endocytosis (C) Autophagy (D) Cytotoxicity

Last Answer : (C) Autophagy

Major secretions of pancreas that are helpful in digestion? -Biology

Description : Major secretions of pancreas that are helpful in digestion? -Biology

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Major secretions of pancreas that are helpful in digestion? -Biology

Description : Major secretions of pancreas that are helpful in digestion? -Biology

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What is the difference between mechanical digestion and chemical digestion? -Biology

Description : What is the difference between mechanical digestion and chemical digestion? -Biology

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Which of the following statements are incorrect ?a)Photosynthesis is a chemical change b) Digestion is a chemical change c)Formation of manure from vegetable was ... -Science-7

Description : Which of the following statements are incorrect ?a)Photosynthesis is a chemical change b) Digestion is a chemical change c)Formation of manure from vegetable was ... -Science-7

Last Answer : Option d) Iron and rust are the same substance. Iron and rust are different substances. Iron : Fe and Rust :

What is the difference between chemical and mechanical digestion?

Description : What is the difference between chemical and mechanical digestion?

Last Answer : Medical digestion is the physical process of breaking downfoodChemical digestion is the process of breaking down food bychemical enzyme.

In stomach, after physical and chemical digestion, food is called

Description : In stomach, after physical and chemical digestion, food is called

Last Answer : In stomach, after physical and chemical digestion, food is called A. Chyme B. Chyle C. Amino acid D. Bolus

The chemical process of digestion begins in

Description : The chemical process of digestion begins in

Last Answer : The chemical process of digestion begins in

The chemical process of digestion begins in

Description : The chemical process of digestion begins in

Last Answer : The chemical process of digestion begins in

What is the difference between and chemical digestion?

Description : What is the difference between and chemical digestion?

Last Answer : Physical Processes:Ingestion is the placing of food into the mouth. Mechanical digestion is the mastication of food and the churning of the stomach. Egestion is the removal of undigested ... thinkchemical digestion is when chemical break down food.Mechanical => ChewingChemical => HCl in Stomach

How do the liver and pancreas help complete chemical digestion?

Description : How do the liver and pancreas help complete chemical digestion?

Last Answer : The pancreas through the stomach

Where does chemical digestion of carbohydrates begin in the GI tract?

Description : Where does chemical digestion of carbohydrates begin in the GI tract?

Last Answer : mouth

Which of the following is not a chemical action? (a) Burning of coal (b) Conversion of water into steam (c) Digestion of food (d) Burning of paper

Description : Which of the following is not a chemical action? (a) Burning of coal (b) Conversion of water into steam (c) Digestion of food (d) Burning of paper

Last Answer : Ans:(b)

All the following are examples of chemical change, except (a) Magnetising of iron nails (b) Rusting of iron rods (c) Digestion of food (d) Souring of milk

Description : All the following are examples of chemical change, except (a) Magnetising of iron nails (b) Rusting of iron rods (c) Digestion of food (d) Souring of milk

Last Answer : Ans:(a)

By generally dividing food into carbohydrates, fats and proteins and considering the digestive process until the pylorus (exit of stomach), which of these mentioned types of food have already undergone chemical digestion?

Description : By generally dividing food into carbohydrates, fats and proteins and considering the digestive process until the pylorus (exit of stomach), which of these mentioned types of food have already undergone chemical digestion?

Last Answer : Until the exit of the stomach, carbohydrates, in the mouth, and proteins, in the stomach, have already undergone chemical breaking by digestive enzymes. Carbohydrates have suffered action of the salivary ... of the gastric juice. Fats, until reaching the duodenum, do not undergo chemical digestion.

Chemical digestion is the series of enzymatic reactions to break macromolecules into smaller ones.

Description : Chemical digestion is the series of enzymatic reactions to break macromolecules into smaller ones.

Last Answer : Which type of chemical reaction is the breaking of macromolecules into smaller ones that occurs in digestion? What are the enzymes that participate in this process called?

Which of the following is not a chemical reaction? (1) Burning of paper (2) Digestion of food (3) Conversion of water into steam (4) Burning of coal

Description : Which of the following is not a chemical reaction? (1) Burning of paper (2) Digestion of food (3) Conversion of water into steam (4) Burning of coal

Last Answer : (3) Conversion of water into steam Explanation: Water boiling is a physical reaction only because during physical reaction there is a change of state but during chemical reaction there is breaking or making of bonds.

Which of the following is not a chemical reaction'? (1) Burning of paper (2) Digestion of food (3) Conversion of water into steam (4) Burning of coal

Description : Which of the following is not a chemical reaction'? (1) Burning of paper (2) Digestion of food (3) Conversion of water into steam (4) Burning of coal

Last Answer : (3) Conversion of water into steam Explanation: The conversion of water into steam is an example of a physical change. where the state of the matter changes without changing its composition. A ... of durability, changes to crystal form, textural change, shape, size, color, volume and density.

The energy released at the end of digestion is in the form of: (1) electric energy (2) Kinetic energy (3) thermal energy (4) chemical energy

Description : The energy released at the end of digestion is in the form of: (1) electric energy (2) Kinetic energy (3) thermal energy (4) chemical energy

Last Answer : (4) chemical energy Explanation: Digestion of food involves both physical and chemical processes. During digestion the chemical energy in for released while the molecules of food are broken down into smaller pieces.

Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process. (A) Mechanical (B) Sulphate/Kraft (C) Sulphite (D) Neutral sulphite semi-chemical

Description : Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process. (A) Mechanical (B) Sulphate/Kraft (C) Sulphite (D) Neutral sulphite semi-chemical

Last Answer : (D) Neutral sulphite semi-chemical

The most important chemical process in digestion is: a) diffusion b) active transport c) hydrolysis

Description : The most important chemical process in digestion is: a) diffusion b) active transport c) hydrolysis

Last Answer : ANSWER: C -- HYDROLYSIS

Which of the following is not a chemical reaction'? (1) Burning of paper (2) Digestion ot" food (3) Conversion of water into steam (4) Burning of coal

Description : Which of the following is not a chemical reaction'? (1) Burning of paper (2) Digestion ot" food (3) Conversion of water into steam (4) Burning of coal

Last Answer : Conversion of water into steam

Clarithromycin and erythromycin have very similar spectrums of antimicrobial activity. The major advantage of clarithromytcin is that it (a) Eradicates mycoplasmal infections in a single dose (b) Is active against strains of streptococci that are resistant to erythromycin (c) Is more active against Mycobacterium avium complex (d) Does not inhibit live drug-metabolizing enzymes (e) Acts on methicillin-resistant strains of staphylococci

Description : Clarithromycin and erythromycin have very similar spectrums of antimicrobial activity. The major advantage of clarithromytcin is that it (a) Eradicates mycoplasmal infections in a single dose (b ... not inhibit live drug-metabolizing enzymes (e) Acts on methicillin-resistant strains of staphylococci

Last Answer : Ans: C

The major role of minor elements inside living organisms is to act as (a) co-factors of enzymes (b) building blocks of important amino acids (c) constituent of hormones (d) binder of cell structure.

Description : The major role of minor elements inside living organisms is to act as (a) co-factors of enzymes (b) building blocks of important amino acids (c) constituent of hormones (d) binder of cell structure.

Last Answer : (a) co-factors of enzymes

Which is not a major defense mechanism in the stomach? A.Proteolytic enzymes B.Low pHC.Dense normal flora D.All of these

Description : Which is not a major defense mechanism in the stomach? A.Proteolytic enzymes B.Low pH C.Dense normal flora D.All of these

Last Answer : C.Dense normal flora

Can enzymes slow down chemical reactions?

Description : Can enzymes slow down chemical reactions?

Last Answer : Need answer

What is an example enzymes control chemical reactions?

Description : What is an example enzymes control chemical reactions?

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Which is not true about inorganic catalysts and enzymes? (A) They are specific (B) Inorganic catalysts require specific not needed by enzymes (C) They are sensitive to pH (D) They speed up the rate of chemical reaction

Description : Which is not true about inorganic catalysts and enzymes? (A) They are specific (B) Inorganic catalysts require specific not needed by enzymes (C) They are sensitive to pH (D) They speed up the rate of chemical reaction

Last Answer : Answer : B

The chemical forces that bind most coenzymes and substrates to enzymes such as LDH are (A) Hydrogen bonds (B) Peptide bonds (C) Coordinate bonds (D) Covalent bonds

Description : The chemical forces that bind most coenzymes and substrates to enzymes such as LDH are (A) Hydrogen bonds (B) Peptide bonds (C) Coordinate bonds (D) Covalent bonds

Last Answer : Answer : D

Regulator gene controls chemical synthesis (Operon concept) by (a) Inhibiting transcription of mRNA (b) Inhibiting enzymes (c) Inhibiting passage of mRNA (d) Inhibiting substrate enzyme reaction

Description : Regulator gene controls chemical synthesis (Operon concept) by (a) Inhibiting transcription of mRNA (b) Inhibiting enzymes (c) Inhibiting passage of mRNA (d) Inhibiting substrate enzyme reaction

Last Answer : Ans. ((a))

Arrhenius equation K = Ae-E a / R T In some reactions, Rate of reaction is directly proportional to. Concentration of catalyst Catalyst used in Bio-Chemical reactions is called. Enzymes Reactions catalyzed by light are called as. Photo catalyzed or Photosensitised reactions

Description : Arrhenius equation K = Ae-E a / R T In some reactions, Rate of reaction is directly proportional to. Concentration of catalyst Catalyst used in Bio-Chemical reactions is called. Enzymes Reactions catalyzed by light are called as. Photo catalyzed or Photosensitised reactions

Last Answer : Define order of reaction

Which one of the following pairs of chemical substances, is correctly categorised? (a) Calcitonin and thymosin - Thyroid hormones (b) Pepsin and prolactin - Two digestive enzymes secreted in stomach (c) Troponin and myosin - Complex proteins in striated muscles (d) Secretin and rhodopsin - Polypeptide hormones

Description : Which one of the following pairs of chemical substances, is correctly categorised? (a) Calcitonin and thymosin - Thyroid hormones (b) Pepsin and prolactin - Two digestive enzymes secreted in ... and myosin - Complex proteins in striated muscles (d) Secretin and rhodopsin - Polypeptide hormones

Last Answer : (c) Troponin and myosin - Complex proteins in striated muscles

Pick out the wrong statement. (A) Catalytic activity of enzyme catalysed reactions which is affected by temperature, pH value & chemical agents, is maximum at a temperature of about 45°C(B) Most of the enzyme catalysed reactions involve at least two substrates (C) Enzymes help in increasing the activation energy of the reaction (D) Equilibrium concentrations in enzyme catalysed reactions can be calculated by using the thermodynamic properties of substrates & prod

Description : Pick out the wrong statement. (A) Catalytic activity of enzyme catalysed reactions which is affected by temperature, pH value & chemical agents, is maximum at a temperature of about 45°C ... in enzyme catalysed reactions can be calculated by using the thermodynamic properties of substrates & prod

Last Answer : (C) Enzymes help in increasing the activation energy of the reaction

What are enzymes? (a) saccharides that catalyze chemical reactions (b) unsaturated fats that catalyze chemical reactions (c) DNA molecules that catalyze chemical reactions (d) proteins that catalyze chemical reactions

Description : What are enzymes? (a) saccharides that catalyze chemical reactions (b) unsaturated fats that catalyze chemical reactions (c) DNA molecules that catalyze chemical reactions (d) proteins that catalyze chemical reactions

Last Answer : proteins that catalyze chemical reactions

At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants. (A) Independent of (B) Directly proportional to (C) Inversely proportional to (D) Proportional to the square of

Description : At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants. (A) Independent of (B) Directly proportional to (C) Inversely proportional to (D) Proportional to the square of

Last Answer : (A) Independent of

Enzymes are organic catalysts used in the __________ reactions. (A) Chemical (B) Biochemical (C) Photochemical (D) Electrochemical

Description : Enzymes are organic catalysts used in the __________ reactions. (A) Chemical (B) Biochemical (C) Photochemical (D) Electrochemical

Last Answer : (B) Biochemical

Pick out the wrong statement. (A) ****, *** & Vodka are prepared by the formulation of fruit juice, sugar beet & rye respectively (B) Protein catalysts are called enzymes (C) The rate of chemical reaction is independent of the concentration of reactants at high concentration of enzymes (D) Total sugar content in molasses is about 10%

Description : Pick out the wrong statement. (A) Wine, rum & Vodka are prepared by the formulation of fruit juice, sugar beet & rye respectively (B) Protein catalysts are called enzymes (C) The rate ... concentration of reactants at high concentration of enzymes (D) Total sugar content in molasses is about 10%

Last Answer : (D) Total sugar content in molasses is about 10%

Explain how enzymes speed up chemical reactions.

Description : Explain how enzymes speed up chemical reactions.

Last Answer : To put it simply, enzymes speed up metabolic reactions by lowering energy barriers. They are catalysts, chemical beings, that are not consumed yet speed up reactions, but still provide energy. In ... , and other molecules have lots of free energy and their breakdown is very high in potential.

Trichloroacetic acid, a strong acid, has been used by dentists for chemical cautery of hypertrophic tissue and aphthous ulcers; its mechanism of action is, BOUCHERS P 194 A. Thermodynamic action B. Activation of tissue enzymes C. Osmotic pressure D. Protein precipitation (PPT) E. Neutralization

Description : Trichloroacetic acid, a strong acid, has been used by dentists for chemical cautery of hypertrophic tissue and aphthous ulcers; its mechanism of action is, BOUCHERS P 194 A. Thermodynamic ... Activation of tissue enzymes C. Osmotic pressure D. Protein precipitation (PPT) E. Neutralization

Last Answer : D. Protein precipitation (PPT)