What is meant by primary structure of a protein?

What is meant by primary structure of a protein?
by

1 Answer

Answer :

It denotes the number and sequence of amino ac-

ids in the protein.
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What is meant by tertiary structure of a protein?

Description : What is meant by tertiary structure of a protein?

Last Answer : The tertiary structure denotes three dimensional structure of the whole protein. It defines the steric relationship of amino acids which are far apart from each other in the linear sequence.

In protein structure the α-helix and βpleated sheets are example of (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure

Description : In protein structure the α-helix and βpleated sheets are example of (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure

Last Answer : Answer : B

Which bond is present in the primary structure of protein? (A) Ester (B) Hydrogen (C) Ionic bond (D) Peptide

Description : Which bond is present in the primary structure of protein? (A) Ester (B) Hydrogen (C) Ionic bond (D) Peptide

Last Answer : Answer : D

Protein present in hemoglobin has the structure known as (A) Primary (B) Secondary (C) Tertiary (D) Quarternary

Description : Protein present in hemoglobin has the structure known as (A) Primary (B) Secondary (C) Tertiary (D) Quarternary

Last Answer : Answer : D

Primary structure of a protein is formed by (A) Hydrogen bonds (B) Peptide bonds (C) Disulphide bonds (D) All of these

Description : Primary structure of a protein is formed by (A) Hydrogen bonds (B) Peptide bonds (C) Disulphide bonds (D) All of these

Last Answer : Answer : B

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 primary structure of fibroin, the principal protein of silk worm fibres consists almost entirely of (A) Glycine (B) Aspartate (C) Keratin (D) Tryptophan

Last Answer : Answer : A

The primary structure of a protein refers to the sequence of amino acids that are linked together in a long chain. Which of the following common items would best represent the primary structure of a protein?

Description : The primary structure of a protein refers to the sequence of amino acids that are linked together in a long chain. Which of the following common items would best represent the primary structure of a protein?

Last Answer : beads of different colors joined together on a piece of string

How a mutation affects the primary structure of a protein would change the polymer?

Description : How a mutation affects the primary structure of a protein would change the polymer?

Last Answer : Need answer

The primary structure of a protein refers to : (a) whether the protein is fibrous or globular (b) the amino acid sequence in the polypeptide chain (c) the orientation of the amino acid side chains in space (d) the presence or absence of an α-helix

Description : The primary structure of a protein refers to : (a) whether the protein is fibrous or globular (b) the amino acid sequence in the polypeptide chain (c) the orientation of the amino acid side chains in space (d) the presence or absence of an α-helix

Last Answer : the amino acid sequence in the polypeptide chain

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

Denaturation refers to the loss of the ______ structure of a ______ molecule. a. primary; carbohydrate b. molecular; fat c. secondary; starch d. tertiary; protein

Description : Denaturation refers to the loss of the ______ structure of a ______ molecule. a. primary; carbohydrate b. molecular; fat c. secondary; starch d. tertiary; protein

Last Answer : d. tertiary; protein

The _______ structure of a protein is the sequence of amino acids. a. primary b. secondary c. tertiary d. quaternary

Description : The _______ structure of a protein is the sequence of amino acids. a. primary b. secondary c. tertiary d. quaternary

Last Answer : a. primary

What is meant by a domain of a protein?

Description : What is meant by a domain of a protein?

Last Answer : It is the term used to denote a compact unit of a protein. It generally represents a functional unit.

What is meant by quaternary structure of a pro- tein?

Description : What is meant by quaternary structure of a pro- tein?

Last Answer : Certain polypeptides will aggregate to form one functional protein. This is referred to as the qua- ternary structure.

What is meant by secondary structure of a pro- tein?

Description : What is meant by secondary structure of a pro- tein?

Last Answer : Secondary structure denotes the configurational relationship between residues which are about 3- 4 amino acids apart. In other words, secondary level defines the organisation at immediate vicin- ity of amino acids.

All the following statements about epidermal growth factor are true except (A) It is a protein (B) It possess quaternary structure (C) Its receptor is made up of a single polypeptide chain (D) Its receptor possesses tyrosine kinase domain

Description : All the following statements about epidermal growth factor are true except (A) It is a protein (B) It possess quaternary structure (C) Its receptor is made up of a single polypeptide chain (D) Its receptor possesses tyrosine kinase domain

Last Answer : Answer : B

Tertiary structure of a protein describes (A) The order of amino acids (B) Location of disulphide bonds (C) Loop regions of proteins (D) The ways of protein folding

Description : Tertiary structure of a protein describes (A) The order of amino acids (B) Location of disulphide bonds (C) Loop regions of proteins (D) The ways of protein folding

Last Answer : Answer : D

Secondary structure of protein can be studied by what methods?

Description : Secondary structure of protein can be studied by what methods?

Last Answer : X-ray diffraction study, optical rotatory disper- sion, and nuclear magnetic resonance (NMR)

Isoenzymes can be characterized by (A) Proteins lacking enzymatic activity that are necessary for the activation of enzymes (B) Proteolytic enzymes activated by hydrolysis (C) Enzymes with identical primary structure (D) Similar enzymes that catalyse different reaction

Description : Isoenzymes can be characterized by (A) Proteins lacking enzymatic activity that are necessary for the activation of enzymes (B) Proteolytic enzymes activated by hydrolysis (C) Enzymes with identical primary structure (D) Similar enzymes that catalyse different reaction

Last Answer : Answer : B

During denaturation of proteins, all of the following are disrupted except (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure

Description : During denaturation of proteins, all of the following are disrupted except (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure

Last Answer : Answer : B

Primary structure of proteins can be determined by the use of (A) Electrophoresis (B) Chromatography (C) Ninhydrin (D) Sanger’s reagent

Description : Primary structure of proteins can be determined by the use of (A) Electrophoresis (B) Chromatography (C) Ninhydrin (D) Sanger’s reagent

Last Answer : Answer : D

Denaturation of proteins results in (A) Disruption of primary structure (B) Breakdown of peptide bonds (C) Destruction of hydrogen bonds (D) Irreversible changes in the molecule

Description : Denaturation of proteins results in (A) Disruption of primary structure (B) Breakdown of peptide bonds (C) Destruction of hydrogen bonds (D) Irreversible changes in the molecule

Last Answer : Answer : C

In proteins the α-helix and β-pleated sheet are examples of (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure

Description : In proteins the α-helix and β-pleated sheet are examples of (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure

Last Answer : Answer : B

What is the force that maintains the primary structure?

Description : What is the force that maintains the primary structure?

Last Answer : The primary structure is maintained by the cova- lent bonds of the peptide linkages 

What is meant by a primary consumer, secondary consumer and a tertiary consumer ? -SST 10th

Description : What is meant by a primary consumer, secondary consumer and a tertiary consumer ? -SST 10th

Last Answer : Primary consumer-Primary consumers are living organisms that only eat plants i.e. producers. Herbivores/plant eaters are primary consumers. For example-Goat, Rabbit. Secondary consumer-Secondary ... consumers are large carnivores which feed on small carnivores. For example Owl, lion, etc.

Gravity stamp mill is meant for the __________ crushing. (A) Primary (B) Intermediate (C) Fine (D) Ultrafine

Description : Gravity stamp mill is meant for the __________ crushing. (A) Primary (B) Intermediate (C) Fine (D) Ultrafine

Last Answer : (C) Fine

What is meant by focused differentiation? A. Providing a high perceived value service or product to a selected market segment that justifies a substantial price premium B. Simultaneously seeking to achieve differentiation and a price lower than that of competitors C. Concentrating on a particular feature of a product or service to achieve differentiation D. Concentrating on differentiation as the primary means of achieving competitive advantage

Description : What is meant by focused differentiation? A. Providing a high perceived value service or product to a selected market segment that justifies a substantial price premium B. ... differentiation D. Concentrating on differentiation as the primary means of achieving competitive advantage

Last Answer : Providing a high perceived value service or product to a selected market segment that justifies a substantial price premium

What is meant by focused differentiation? A. Providing a high perceived value service or product to a selected market segment that justifies a substantial price premium B. Simultaneously seeking to achieve differentiation and a price lower than that of competitors C. Concentrating on a particular feature of a product or service to achieve differentiation D. Concentrating on differentiation as the primary means of achieving competitive advantage

Description : What is meant by focused differentiation? A. Providing a high perceived value service or product to a selected market segment that justifies a substantial price premium B. ... differentiation D. Concentrating on differentiation as the primary means of achieving competitive advantage

Last Answer : Providing a high perceived value service or product to a selected market segment that justifies a substantial price premium

What is meant by Impression Share? a. The percentage of times your ad was displayed divided by all possible impressions for that search term. b. The percentage of times your ad was displayed when it was eligible to be displayed. c. The percentage of times your ad was displayed higher than your primary competitor. d. The percentage of impressions you lost due to a low ad ran

Description : What is meant by Impression Share? a. The percentage of times your ad was displayed divided by all possible impressions for that search term. b. The percentage of times your ad was displayed when it ... than your primary competitor. d. The percentage of impressions you lost due to a low ad ran

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Ultrasonic Pulse Velocity test is meant for a) Identifying the integrity of concrete* b) Finding the strength of concrete c) To know the crack in steel structure d) To know the flaw in rail

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Which of the following protein structures does “denaturation” destroy?(a) primary and secondary structures (b) secondary and tertiary structures (c) tertiary and quaternary structures (d) secondary, tertiary, and quaternary structures

Description : Which of the following protein structures does “denaturation” destroy? (a) primary and secondary structures (b) secondary and tertiary structures (c) tertiary and quaternary structures (d) secondary, tertiary, and quaternary structures

Last Answer : secondary, tertiary, and quaternary structures

How does heating affect the tertiary structure of a protein? -Biology

Description : How does heating affect the tertiary structure of a protein? -Biology

Last Answer : answer:

Tertiary protein structure ionic bonds -Biology

Description : Tertiary protein structure ionic bonds -Biology

Last Answer : answer:

What bonds hold together the Quaternary structure of protein? -Biology

Description : What bonds hold together the Quaternary structure of protein? -Biology

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What level of protein structure is affected by substituting charged amino acids with non polar ones?

Description : What level of protein structure is affected by substituting charged amino acids with non polar ones?

Last Answer : Feel Free to Answer

Antibacterial agents can be classified with regard to their structure, mechanism of action, and activity pattern against various types of bacterial pathogens. Which of the following statement(s) is/are true concerning antimicrobial classes? a. Penicillins and cephalosporins share the compound structure of a b-lactam ring which binds to bacterial division plate proteins b. Tetracyclines and macrolides such as erythromycin inhibit bacterial ribosomal activity and therefore protein synthesis c. Aminoglycosides act in a similar fashion to tetracyclines and therefore are both bacteriostatic d. Sulfonamides and trimethoprim act synergistically to inhibit purine synthesis

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The basic structure of cell membranes (a) Is a lipid bilayer that serves as a barrier to water soluble molecules (b) Differs ultra structurally for internal and external membranes of cell (c) Is best described as lipids dispersed within a protein bilayer (d) Is visualised as bilaminar structure with transmission electron microscopy

Description : The basic structure of cell membranes (a) Is a lipid bilayer that serves as a barrier to water soluble molecules (b) Differs ultra structurally for internal and external membranes ... dispersed within a protein bilayer (d) Is visualised as bilaminar structure with transmission electron microscopy

Last Answer : Ans:(a)

Hemoglobin is a molecule made of four polypeptide chains, each bound to a iron-containing molecular group called a heme group. So the molecule contains four polypeptide chains and four heme groups. As a protein composed of association of polypeptide chains, the functionality of hemoglobin depends upon the integrity of its quaternary structure. Blood Questions - Image Diversity: hemoglobin molecule

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Last Answer : On average what is the life duration of the red blood cells?

.After a mutation at a genetic locus the character of an organism changes due to change in (a) protein structure (b) DNA replication (c) protein synthesis pattern (d) RNA transcription pattern.

Description : .After a mutation at a genetic locus the character of an organism changes due to change in (a) protein structure (b) DNA replication (c) protein synthesis pattern (d) RNA transcription pattern.

Last Answer : (d) RNA transcription pattern.

After a mutation at a genetic locus the character of an organism changes due to change in (a) protein structure (b) DNA replication (c) protein synthesis pattern (d) RNA transcription pattern.

Description : After a mutation at a genetic locus the character of an organism changes due to change in (a) protein structure (b) DNA replication (c) protein synthesis pattern (d) RNA transcription pattern.

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All types of plastids possess essentially the same structure because they (a) perform the same function (b) store food materials like starch, fat and protein (c) occur in aerial parts (d) can transform from one form to another

Description : All types of plastids possess essentially the same structure because they (a) perform the same function (b) store food materials like starch, fat and protein (c) occur in aerial parts (d) can transform from one form to another

Last Answer : (d) can transform from one form to another.

.Mad cow disease in cattle is caused by an organism which has (a) inert crystalline structure (b) abnormally folded protein (c) free RNA without protein coat (d) free DNA without protein coat.

Description : .Mad cow disease in cattle is caused by an organism which has (a) inert crystalline structure (b) abnormally folded protein (c) free RNA without protein coat (d) free DNA without protein coat.

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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 may characterize the “secondary structure” of proteins? (a) conformation of the protein backbone (b) α-Helix (c) parallel β-pleated sheet (d) all of the above

Description : Which of the following may characterize the “secondary structure” of proteins? (a) conformation of the protein backbone (b) α-Helix (c) parallel β-pleated sheet (d) all of the above

Last Answer : all of the above

The ribosome binding site A- forms a stem-loop structure in the RNA B- is located upstream of the promoter sequence C- .is located immediately upstream of the start codon D- is more likely to be associated with an operon than with a gene encoding a single protein

Description : The ribosome binding site A- forms a stem-loop structure in the RNA B- is located upstream of the promoter sequence C- .is located immediately upstream of the start codon D- is more likely to be associated with an operon than with a gene encoding a single protein

Last Answer : .is located immediately upstream of the start codon

The rivosome binding site A- forms a sltem- loop structure in the RNA B- is located upstream of the promoter sequence C- is located immediately upstream of the start codon D- is more likely to be associated with an operon than with a gene encoding a single protein

Description : The rivosome binding site A- forms a sltem- loop structure in the RNA B- is located upstream of the promoter sequence C- is located immediately upstream of the start codon D- is more likely to be associated with an operon than with a gene encoding a single protein

Last Answer : is located immediately upstream of the start codon

The ribosome binding site A- forms a stem-loop structure in the RNA B- is located upstream of the promoter sequence C- .is located immediately upstream of the start codon D- is more likely to be associated with an operon than with a gene encoding a single protein

Description : The ribosome binding site A- forms a stem-loop structure in the RNA B- is located upstream of the promoter sequence C- .is located immediately upstream of the start codon D- is more likely to be associated with an operon than with a gene encoding a single protein

Last Answer : .is located immediately upstream of the start codon

The following protein/polypeptide has a quaternary structure : (A) cc-Chymotrypsin (B) Hemoglobin (C) Insulin (D) Myoglobin

Description : The following protein/polypeptide has a quaternary structure : (A) cc-Chymotrypsin (B) Hemoglobin (C) Insulin (D) Myoglobin

Last Answer : (B) Hemoglobin

Digestion of protein-is necessary because (a)It not absorbed as such (b)Proteins are large molecules. (c) Proteins have complex structure. (d) Proteins are made of amino acids

Description : Digestion of protein-is necessary because (a)It not absorbed as such (b)Proteins are large molecules. (c) Proteins have complex structure. (d) Proteins are made of amino acids

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Which of the following structure-function pairs is mismatched? (A) Lysosome-intracellular digestion (B) Golgi body-secretion of cell products (C) Ribosome-protein synthesis (D) Glyoxysome-detoxification

Description : Which of the following structure-function pairs is mismatched? (A) Lysosome-intracellular digestion (B) Golgi body-secretion of cell products (C) Ribosome-protein synthesis (D) Glyoxysome-detoxification

Last Answer : (D) Glyoxysome-detoxification