Amino acids are amphoteric in nature/behavior. Explain.

Amino acids are amphoteric in nature/behavior. Explain.
by

1 Answer

Answer :

Ans: Due to presence of dipolar ion i.e. zwitter ion, amino acid can reacts with acid and bases.
by

Related questions

Amphoteric substances: w) act as either bases or acids x) precipatate from aqueous solutions y) salt out of basic solutions z) form emulsions in oils

Description : Amphoteric substances: w) act as either bases or acids x) precipatate from aqueous solutions y) salt out of basic solutions z) form emulsions in oils

Last Answer : ANSWER: W -- ACT AS EITHER BASES OR ACIDS

Which of the following oxides is amphoteric in nature ?

Description : Which of the following oxides is amphoteric in nature ?

Last Answer : Which of the following oxides is amphoteric in nature ? A. `N_(2)O_(3)` B. `P_(4)O_(6)` C. `Sb_(4)O_(5)` D. `Bi_(2)O_(3)`

Which of the following oxides is amphoteric in nature ?

Description : Which of the following oxides is amphoteric in nature ?

Last Answer : Which of the following oxides is amphoteric in nature ? A. `N_(2)O_(3)` B. `P_(4)O_(6)` C. `Sb_(4)O_(5)` D. `Bi_(2)O_(3)`

The nature of calcium phosphate present in tooth enamel is (a)Basic (b)Acidic (c ) Neutral (d) Amphoteric

Description : The nature of calcium phosphate present in tooth enamel is (a)Basic (b)Acidic (c ) Neutral (d) Amphoteric

Last Answer : (a)Basic

Out of 200 different amino acids form in nature the number of amino acids present in protein: (A) 20 (B) 25 (C) 40 (D) 35

Description : Out of 200 different amino acids form in nature the number of amino acids present in protein: (A) 20 (B) 25 (C) 40 (D) 35

Last Answer : Answer : A

All proteins contain the (A) Same 20 amino acids (B) Different amino acids (C) 300 Amino acids occurring in nature (D) Only a few amino acids

Description : All proteins contain the (A) Same 20 amino acids (B) Different amino acids (C) 300 Amino acids occurring in nature (D) Only a few amino acids

Last Answer : Answer : A

Which of the following statement(s) is/are true concerning the treatment of MOFS? a. Prevention and therapy of MOFS requires control of the infectious or inflammatory source b. Restoration of normal clinical parameters such as blood pressure, pulse rate, and urine output ensures optimal resuscitation in most patients c. Branch chain amino acids play and important role in the nutritional support of the patient d. Because of the nature of gut injury, total parenteral nutrition is preferred for most patients with MOFS

Description : Which of the following statement(s) is/are true concerning the treatment of MOFS? a. Prevention and therapy of MOFS requires control of the infectious or inflammatory source b. Restoration of normal ... of the nature of gut injury, total parenteral nutrition is preferred for most patients with MOFS

Last Answer : Answer: a, c The therapy of MOFS is directed towards interrupting the involving pathophysiologic process and providing an optimal physiologic environment for healing and recovery. ... Enteral absorption and processing of nutrients appears superior to TPN and lessens overall complications

All proteins contain the (A) Same 20 amino acids (B) Different amino acids (C) 300 Amino acids occurring in nature (D) Only a few amino acids

Description : All proteins contain the (A) Same 20 amino acids (B) Different amino acids (C) 300 Amino acids occurring in nature (D) Only a few amino acids

Last Answer : (A) Same 20 amino acids

What are amphoteric oxides? Choose the amphoteric oxides from amongst the following oxides: Na2O, ZnO, Al2O3, CO2, H2O -Chemistry

Description : What are amphoteric oxides? Choose the amphoteric oxides from amongst the following oxides: Na2O, ZnO, Al2O3, CO2, H2O -Chemistry

Last Answer : Those oxides which reacts with acids as well as bases to produce salts and water are called amphoteric oxides, e.g. Na2O, ZnO, are amphoteric oxides among given oxides.

Give reason for the following: (a) Aluminium oxide is considered as an amphoteric oxide. (b) Ionic compounds conduct electricity in molten state. -Chemistry

Description : Give reason for the following: (a) Aluminium oxide is considered as an amphoteric oxide. (b) Ionic compounds conduct electricity in molten state. -Chemistry

Last Answer : a) Aluminium oxide reacts with both acids as well as bases.b) Ionic compounds in molten state conduct electricity. Explanation: a) An amphoteric oxide as one that shows chemical reactivity with ... ions are present in the liquid state. These free ions enable the solution to conduct electricity.

Which among the following metals provides amphoteric oxide? (1) Sodium (2) Silver (3) Aluminium (4) Calcium

Description : Which among the following metals provides amphoteric oxide? (1) Sodium (2) Silver (3) Aluminium (4) Calcium

Last Answer : (3) Aluminium Explanation: In chemistry, an amphoteric species is a molecule or ion that can react as an acid as well as a base. Many metals (such as zinc, tin, lead, aluminium, and ... and proteins, which have amine and carboxylic acid groups, and selfionizable compounds such as water and ammonia.

Classify Following oxides as Neutral, Acidic, Basic, and Amphoteric?

Description : Classify Following oxides as Neutral, Acidic, Basic, and Amphoteric?

Last Answer : CO - neutral Sio2-acidic Pbo2-amphoteric

If a material has the capacity to behave either as an acid or a base it is said to be: w) amorphous x) amphoteric y) anhydrous z) aklaline

Description : If a material has the capacity to behave either as an acid or a base it is said to be: w) amorphous x) amphoteric y) anhydrous z) aklaline

Last Answer : ANSWER: X -- AMPHOTERIC

Which among the following metals provides amphoteric oxide ? (1) Sodium (2) Silver (3) Aluminium (4) Calcium

Description : Which among the following metals provides amphoteric oxide ? (1) Sodium (2) Silver (3) Aluminium (4) Calcium

Last Answer : Aluminium

Amino acids have relatively high melting point as compared to corresponding haloacids. Explain.

Description : Amino acids have relatively high melting point as compared to corresponding haloacids. Explain.

Last Answer : Ans: Amino acids have relatively higher m.p as compared to corresponding haloacids. We know that amino acids have amino (basic) group and carboxylic (acid) group. A proton which comes from ... form amino acids become crystalline solids and due to this salt like structure show higher melting point.

Define the term amphoteric.

Description : Define the term amphoteric.

Last Answer : The term "amphoteric" refers to a substance or compound that can act as both an acid and a base. It is derived from the Greek words "ampho" meaning "both" and "teros" meaning " ... by donating a proton. Other examples of amphoteric compounds include amino acids, aluminum hydroxide, and zinc oxide.

Which of the following statement is incorrect ? a)Oxide of aluminium `(Al_(2)O_(3))` and arsenic `(As_(2)O_(3))` are amphoteric. b)Oxide of chlorine `

Description : Which of the following statement is incorrect ? a)Oxide of aluminium `(Al_(2)O_(3))` and arsenic `(As_(2)O_(3))` are amphoteric. b)Oxide of chlorine `

Last Answer : Which of the following statement is incorrect ? a)Oxide of aluminium `(Al_(2)O_(3))` and ... sulphides D. Malachite and azurite are ores of copper

Which one of the following is an amphoteric oxide?

Description : Which one of the following is an amphoteric oxide?

Last Answer : Which one of the following is an amphoteric oxide? A. `Na_(2)O` B. `SO_(2)` C. `B_(2)O_(3)` D. `ZnO`

Example of an amphoteric metal?

Description : Example of an amphoteric metal?

Last Answer : Aluminium

Classify the following into acidic, basic, neutral and amphoteric oxides.

Description : Classify the following into acidic, basic, neutral and amphoteric oxides.

Last Answer : Magnesium oxide, carbon dioxide, carbon monoxide, sulphur dioxide, zinc oxide, calcium oxide. Acidic oxide –Sulphur dioxide, carbon dioxide Basic oxide – Magnesium oxide, Calcium oxide Neutral oxide – Carbon monoxide. Amphoteric oxide – Zinc oxide.

What are amphoteric oxides?

Description : What are amphoteric oxides?

Last Answer : Oxides of zinc and aluminium are called amphoteric oxides.

Metallic oxides which react with both acid and base to produce salt and water are called A) Neutral Oxides B) Basic Oxides C) Amphoteric Oxides D) Acidic Oxides

Description : Metallic oxides which react with both acid and base to produce salt and water are called A) Neutral Oxides B) Basic Oxides C) Amphoteric Oxides D) Acidic Oxides

Last Answer : C) Amphoteric Oxides

The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent. (A) Cationic (B) Anionic (C) Amphoteric (D) Semi polar

Description : The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent. (A) Cationic (B) Anionic (C) Amphoteric (D) Semi polar

Last Answer : (B) Anionic

The chemical behaviour of morphine alkaloid is (A) acidic (B)Basic (C) neutral (D) amphoteric

Description : The chemical behaviour of morphine alkaloid is (A) acidic (B)Basic (C) neutral (D) amphoteric

Last Answer : (B)Basic

What are amino acids ?

Description : What are amino acids ?

Last Answer : Amino acids are the monomers of proteins. It is an organic compound that contains both amino radicals ( -NH2) and carboxyl radicals (-COOH ) .

Biofertilizers convert nitrogen to (1) nitrates (2) ammonia (3) nitrogenase (4) amino acids

Description : Biofertilizers convert nitrogen to (1) nitrates (2) ammonia (3) nitrogenase (4) amino acids

Last Answer : (2) ammonia Explanation: Bio-fertilizers are microorganisms which bring about nutrient enrichment of soil by enhancing the availability of nutrients to crops. The micro-organisms which act as bio ... bacteria convert free nitrogen to ammonia, which the host plant utilizes for its development.

Complete hydrolysis of proteins produces : (a) Ammonia and carbon dioxide (b) Urea and uric acid (c) A mixture of amino acids (d) Glycogen and a fatty acid

Description : Complete hydrolysis of proteins produces : (a) Ammonia and carbon dioxide (b) Urea and uric acid (c) A mixture of amino acids (d) Glycogen and a fatty acid

Last Answer : A mixture of amino acids

Upon hydrolysis, proteins give (a) Amino acids (b) Hydroxy acids (c) Fatty acids (d) Alcohols

Description : Upon hydrolysis, proteins give (a) Amino acids (b) Hydroxy acids (c) Fatty acids (d) Alcohols

Last Answer : Amino acids

Which of the following reactions is suitable for the preparation of α-amino acids? (a) Schmidt reaction (b) Hofmann's degradation of amides (c) Strecker's synthesis (b) Reduction of nitro compounds

Description : Which of the following reactions is suitable for the preparation of α-amino acids? (a) Schmidt reaction (b) Hofmann's degradation of amides (c) Strecker's synthesis (b) Reduction of nitro compounds

Last Answer : Strecker's synthesis

Which one of the following compounds form zwitterions?(a) carbonyl compounds (b) amino acids (c) phenols (d) heterocyclic compounds

Description : Which one of the following compounds form zwitterions? (a) carbonyl compounds (b) amino acids (c) phenols (d) heterocyclic compounds

Last Answer : amino acids

The monomeric units that make up peptides and protein polymers are __________. (a) nucleic acids (b) amino acids (c) oligosaccharides (d) amylopectins

Description : The monomeric units that make up peptides and protein polymers are __________. (a) nucleic acids (b) amino acids (c) oligosaccharides (d) amylopectins

Last Answer : amylopectins

Which of the following is the “quaternary structure” of proteins concerned with? (a) sequence of amino acids in the peptide chain (b) description of the way the peptide chains are arranged with respect to each other (c) location of the disulfide bridges in the peptide chain (d) conformation of the protein backbone

Description : Which of the following is the quaternary structure of proteins concerned with? (a) sequence of amino acids in the peptide chain (b) description of the way the peptide chains are arranged with ... (c) location of the disulfide bridges in the peptide chain (d) conformation of the protein backbone

Last Answer : description of the way the peptide chains are arranged with respect to each other

Which of the following is the first step in the determination of the primary structure of proteins? (a) determining the number and kind of amino acids in the peptide (b) reducing the disulfide bridges in the protein (c) protecting the N-terminal of the peptide (d) protecting the C-terminal of the peptide

Description : Which of the following is the first step in the determination of the primary structure of proteins? (a) determining the number and kind of amino acids in the peptide (b) reducing the disulfide bridges ... (c) protecting the N-terminal of the peptide (d) protecting the C-terminal of the peptide

Last Answer : reducing the disulfide bridges in the protein

The α-carbon of all the amino acids is a chirality center except for __________. (a) Glycine (b) Threonine (c) Proline (d) Aspartic acid

Description : The α-carbon of all the amino acids is a chirality center except for __________. (a) Glycine (b) Threonine (c) Proline (d) Aspartic acid

Last Answer : Glycine

Which of the following amino acids has a heterocyclic R group? (a) Glycine (b) Threonine (c) Proline (d) Aspartic acid

Description : Which of the following amino acids has a heterocyclic R group? (a) Glycine (b) Threonine (c) Proline (d) Aspartic acid

Last Answer : Proline

Which of the following amino acids has a sulfur in the R group? (a) Serine (b) Cysteine (c) Asparagine (d) Tyrosine

Description : Which of the following amino acids has a sulfur in the R group? (a) Serine (b) Cysteine (c) Asparagine (d) Tyrosine

Last Answer : Tyrosine

Which of the following amino acids has an aromatic R group? (a) Serine (b) Cysteine (c) Asparagine (d) Tyrosine

Description : Which of the following amino acids has an aromatic R group? (a) Serine (b) Cysteine (c) Asparagine (d) Tyrosine

Last Answer : Tyrosine

Which of the following amino acids has an aliphatic R group? (a) Serine (b) Cysteine (c) Asparagine (d) Leucine

Description : Which of the following amino acids has an aliphatic R group? (a) Serine (b) Cysteine (c) Asparagine (d) Leucine

Last Answer : Leucine

Nutrasweet, the artificial sweetener, contains molecules in which of the following groups? w) carbohydrates x) lipids y) amino acids z) nucleic acids

Description : Nutrasweet, the artificial sweetener, contains molecules in which of the following groups? w) carbohydrates x) lipids y) amino acids z) nucleic acids

Last Answer : ANSWER: C--AMINO ACIDS 

What acid is prevalent in the human stomach? w) sulfuric acid x) nitric acid y) muriatic acid z) amino acids

Description : What acid is prevalent in the human stomach? w) sulfuric acid x) nitric acid y) muriatic acid z) amino acids

Last Answer : ANSWER: Y -- MURIATIC ACID 

What is the name of the bond that joins amino acids together in a protein?

Description : What is the name of the bond that joins amino acids together in a protein?

Last Answer : ANSWER: PEPTIDE BOND or AMIDE

Which of the following choices are considered to be polymers of amino acids? Are they: w) nucleotides x) carbohydrates y) lipids z) proteins

Description : Which of the following choices are considered to be polymers of amino acids? Are they: w) nucleotides x) carbohydrates y) lipids z) proteins

Last Answer : ANSWER: Z -- PROTEINS 

Biofertilizers convert nitrogen to _______ . (1) nitrates (2) ammonia (3) nitrogenase (4) amino acids

Description : Biofertilizers convert nitrogen to _______ . (1) nitrates (2) ammonia (3) nitrogenase (4) amino acids

Last Answer : ammonia

Is citing "human nature" as a cause of a particular human behavior, inaccurate?

Description : Is citing "human nature" as a cause of a particular human behavior, inaccurate?

Last Answer : It's mostly an excuse, but certain things are typically associated with human nature. It would be up to knowledgable parties to decide whether it applies to the specific situation or ... humans are selfish, highly sexual, opportunistic, and needy beings who crave constant attention and agreement.

What sort of behavior and attitudes do you attribute to Human Nature?

Description : What sort of behavior and attitudes do you attribute to Human Nature?

Last Answer : I don’t think that human nature can have either behavior or attitudes. Try to be more precise or specific. Give an example or two. Do you mean, for example, “are most men programmed to be aggressive or are women nurturers and caregivers”?

For the purpose of Sec 3-C of these rule “sexual harassment” includes such unwelcome sexually determined behavior whether directly or otherwise as:- a) Physical contact as advances b) Demand or request for sexual favors c) Sexually colored remarks d) Showing any pornography; or any other unwelcome physical, verbal or non-verbal conduct of a sexual nature e) All the above

Description : For the purpose of Sec 3-C of these rule sexual harassment includes such unwelcome sexually determined behavior whether directly or otherwise as:- a) Physical contact as advances b) Demand or request ... other unwelcome physical, verbal or non-verbal conduct of a sexual nature e) All the above

Last Answer : c) Sexually colored remarks

Why are two samples of proteins having an identical composition of amino acids still different?

Description : Why are two samples of proteins having an identical composition of amino acids still different?

Last Answer : I would guess that two proteins with the same sequences of amino acids might be folded in different ways giving them different properties.

How do amino acids form themselves into proteins?

Description : How do amino acids form themselves into proteins?

Last Answer : answer:Here is a link that explains a few things. one of the things it states is: To form protein, the amino acids are linked by dehydration synthesis to form peptide bonds. The chain of ... they conduct and experiment where amino acids and proteins are created by mixing gases. I hope it helps.

The xylem in plants are responsible for (i) transport of water (ii) transport of food (iii) transport of amino acids (iv) transport of oxygen -Biology

Description : The xylem in plants are responsible for (i) transport of water (ii) transport of food (iii) transport of amino acids (iv) transport of oxygen -Biology

Last Answer : The xylem in the plants is responsible for - i) transport of water. The Xylem vessel is a transport tissue present in vascular plants. The main function of xylem is to transport water from the roots to the shoots and leaves, but it also transports nutrient from one place to another.

Name the amino acids in which sulphur is present. -Biology

Description : Name the amino acids in which sulphur is present. -Biology

Last Answer : answer: