The carbon chains of prostanoic acid are bonded at the middle of the chain by a (A) 5-membered ring (B) 6-membered ring (C) 8-membered ring (D) None of these

The carbon chains of prostanoic acid are bonded at the middle of the chain by a (A) 5-membered ring (B) 6-membered ring (C) 8-membered ring (D) None of these
by

1 Answer

Answer :

Answer : B
by
selected

Related questions

Prostaglandins have a common structure based on prostanoic acid which contains carbon atoms: (A) 12 (B) 16 (C) 18 (D) 20

Description : Prostaglandins have a common structure based on prostanoic acid which contains carbon atoms: (A) 12 (B) 16 (C) 18 (D) 20

Last Answer : Answer : D

Asseration: Cyclic trimer of `SO_(3)` possesses have six membered hetero-cyclic chains made up of `S` and `O`-atoms Reason: Cyclic trimer of `SO_(3)`

Description : Asseration: Cyclic trimer of `SO_(3)` possesses have six membered hetero-cyclic chains made up of `S` and `O`-atoms Reason: Cyclic trimer of `SO_(3)`

Last Answer : Asseration: Cyclic trimer of `SO_(3)` possesses have six membered hetero-cyclic chains made up of `S` and ` ... SO_(3)` is referred as `gamma-SO_(3)`.

Asseration: Cyclic trimer of `SO_(3)` possesses have six membered hetero-cyclic chains made up of `S` and `O`-atoms Reason: Cyclic trimer of `SO_(3)`

Description : Asseration: Cyclic trimer of `SO_(3)` possesses have six membered hetero-cyclic chains made up of `S` and `O`-atoms Reason: Cyclic trimer of `SO_(3)`

Last Answer : Asseration: Cyclic trimer of `SO_(3)` possesses have six membered hetero-cyclic chains made up of `S` and ` ... C. `2,12sigma,4pi` D. `4,12sigma, 3pi`

Asseration: Cyclic trimer of `SO_(3)` possesses have six membered hetero-cyclic chains made up of `S` and `O`-atoms Reason: Cyclic trimer of `SO_(3)`

Description : Asseration: Cyclic trimer of `SO_(3)` possesses have six membered hetero-cyclic chains made up of `S` and `O`-atoms Reason: Cyclic trimer of `SO_(3)`

Last Answer : Asseration: Cyclic trimer of `SO_(3)` possesses have six membered hetero-cyclic chains made up of ` ... -I is not correct and Statement-II is correct

Cyclic ethers with three-membered ring are called (a) Lactones (b) Oxiranes (c) Alkoxides (d) Epoxy resins

Description : Cyclic ethers with three-membered ring are called (a) Lactones (b) Oxiranes (c) Alkoxides (d) Epoxy resins

Last Answer : Oxiranes

In thalassemia, an amino acid is substituted in (A) Alpha chain (B) Beta chain (C) Alpha and beta chains (D) Any chain MINERAL METABOLISM 195

Description : In thalassemia, an amino acid is substituted in (A) Alpha chain (B) Beta chain (C) Alpha and beta chains (D) Any chain MINERAL METABOLISM 195

Last Answer : Answer : D

The four membered aldose sugar phosphate formed in HMP shunt pathway is (A) Xylulose P (B) Erythrulose P (C) Erythrose P (D) Ribulose P

Description : The four membered aldose sugar phosphate formed in HMP shunt pathway is (A) Xylulose P (B) Erythrulose P (C) Erythrose P (D) Ribulose P

Last Answer : C

Two important byproducts of HMP shunt are (A) NADH and pentose sugars (B) NADPH and pentose sugars (C) Pentose sugars and 4 membered sugars (D) Pentose sugars and sedoheptulose

Description : Two important byproducts of HMP shunt are (A) NADH and pentose sugars (B) NADPH and pentose sugars (C) Pentose sugars and 4 membered sugars (D) Pentose sugars and sedoheptulose

Last Answer : B

The carbon atom wh ich becomes asymmetric when the straight chain form of monosaccharide changes into ring form is known as CARBOHYDRATES AND CARBOHYDRATE METABOLISM 9 (A) Anomeric carbon atom (B) Epimeric carbon atom (C) Isomeric carbon atom (D) None of these

Description : The carbon atom wh ich becomes asymmetric when the straight chain form of monosaccharide changes into ring form is known as CARBOHYDRATES AND CARBOHYDRATE METABOLISM 9 (A) Anomeric carbon atom (B) Epimeric carbon atom (C) Isomeric carbon atom (D) None of these

Last Answer : A

Which of the following statements concerning abnormalities of the haemoglobin molecule is true? 1) Alpha thalassaemia is due to a deficiency of beta-chain production 2) HbS is caused by a single base mutation on the beta-chain 3) genes for the alpha and beta chains are located on the same chromosome 4) in thalassaemia persistance of HbF is an adverse prognostic sign 5) oliguneoclitide probes may assist in the diagnosis of haemoglobinopathies

Description : Which of the following statements concerning abnormalities of the haemoglobin molecule is true? 1) Alpha thalassaemia is due to a deficiency of beta-chain production 2) HbS is caused by a ... is an adverse prognostic sign 5) oliguneoclitide probes may assist in the diagnosis of haemoglobinopathies

Last Answer : Answers-2 Alpha Thalassaemia is due to abnormalities of the alpha chain. Persistence of HbF has survival advnatages in severely affected subjects. C-alpha 16, beta 11. e-Hb electrophoresis(Dr Shu Ho)

AUG, the only identified codon for methionine is important as (A) A releasing factor for peptide chains (B) A chain terminating codon (C) Recognition site on tRNA (D) A chain initiating codon

Description : AUG, the only identified codon for methionine is important as (A) A releasing factor for peptide chains (B) A chain terminating codon (C) Recognition site on tRNA (D) A chain initiating codon

Last Answer : Answer : D

Human growth hormone has (A) One polypeptide chain and one intra-chain disulphide bond (B) One polypeptide chain and two intra-chain disulphide bond (C) Two polypeptide chains joined by one disulphide bond (D) Two polypeptide chains joined by two disulphide bond

Description : Human growth hormone has (A) One polypeptide chain and one intra-chain disulphide bond (B) One polypeptide chain and two intra-chain disulphide bond (C) Two polypeptide chains joined by one disulphide bond (D) Two polypeptide chains joined by two disulphide bond

Last Answer : Answer : B

The portion of the immunoglobulin molecule that binds the specific antigen is formed by (A) Variable regions of H and L chains (B) Constant region of H chain (C) Constant region of L chain (D) Hinge region

Description : The portion of the immunoglobulin molecule that binds the specific antigen is formed by (A) Variable regions of H and L chains (B) Constant region of H chain (C) Constant region of L chain (D) Hinge region

Last Answer : Answer : A

Allosteric enzymes contain (A) Multiple subunits (B) Single chain (C) Two chains (D) Three chains

Description : Allosteric enzymes contain (A) Multiple subunits (B) Single chain (C) Two chains (D) Three chains

Last Answer : Answer : A

IgG cleaved by papain into (A) Two light and two heavy chains (B) Two Fab and one Fc fragments (C) Two pairs of one light and one heavy chain each (D) One Fab and two Fc fragments

Description : IgG cleaved by papain into (A) Two light and two heavy chains (B) Two Fab and one Fc fragments (C) Two pairs of one light and one heavy chain each (D) One Fab and two Fc fragments

Last Answer : Answer : B

Sickle cell anaemia induce to (a) change of amino acid in a-chain of haemoglobin (b) change of amino acid in b-chain of haemoglobin (c) change of amino acid in both a and b chains of haemoglobin (d) change of amino acid either a or b chains of haemoglobin.

Description : Sickle cell anaemia induce to (a) change of amino acid in a-chain of haemoglobin (b) change of amino acid in b-chain of haemoglobin (c) change of amino acid in both a and b chains of haemoglobin (d) change of amino acid either a or b chains of haemoglobin.

Last Answer : (b) change of amino acid in b-chain of haemoglobin

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

In nylon-6, the number 6 represents the total number of (A) Carbon atoms in the ring (B) Carbon atoms in the linear polymer chain (C) Nitrogen atoms in the ring (D) Hydrogen atoms in the ring

Description : In nylon-6, the number 6 represents the total number of (A) Carbon atoms in the ring (B) Carbon atoms in the linear polymer chain (C) Nitrogen atoms in the ring (D) Hydrogen atoms in the ring

Last Answer : (B) Carbon atoms in the linear polymer chain

When the carbon atom is sp2 hybridized in a compound, it is bonded to (a) 2 other atoms (b) 4 other atoms (c) 3 other atoms (d) 5 other atoms

Description : When the carbon atom is sp2 hybridized in a compound, it is bonded to (a) 2 other atoms (b) 4 other atoms (c) 3 other atoms (d) 5 other atoms

Last Answer : 3 other atoms

how many hydrogen atoms can be bonded to one carbon atom?

Description : how many hydrogen atoms can be bonded to one carbon atom?

Last Answer : 4

Which of the following is not correct concerning substitution and elimination reactions of alkyl halides? (a) The electrophile replaces the leaving group. (b) Compounds containing electron-donating groups bonded to an sp3 hybridized carbon undergo substitution and elimination reactions. (c) The electronegative atom is replaced by another atom or group in substitution reactions. (d) (a) and (b)

Description : Which of the following is not correct concerning substitution and elimination reactions of alkyl halides? (a) The electrophile replaces the leaving group. (b) Compounds containing electron-donating groups bonded to an ... replaced by another atom or group in substitution reactions. (d) (a) and (b)

Last Answer : (a) and (b)

A tertiary carbon is bonded directly to : (a) 2 hydrogens (b) 3 carbons (c) 2 carbons (d) 4 carbons

Description : A tertiary carbon is bonded directly to : (a) 2 hydrogens (b) 3 carbons (c) 2 carbons (d) 4 carbons

Last Answer : 3 carbons

Ultraviolet light can damage a DNA strand causing (A) Two adjacent purine residue to form a covalently bounded dimer (B) Two adjacent pyrimidine residues to form covalently bonded dimer (C) Disruption of phosphodiesterase linkage (D) Disruption of non-covalent linkage

Description : Ultraviolet light can damage a DNA strand causing (A) Two adjacent purine residue to form a covalently bounded dimer (B) Two adjacent pyrimidine residues to form covalently bonded dimer (C) Disruption of phosphodiesterase linkage (D) Disruption of non-covalent linkage

Last Answer : Answer : B

Why are metal chains sometimes paired with a smaller metal chain?

Description : Why are metal chains sometimes paired with a smaller metal chain?

Last Answer : answer:I'm not at all certain what else you're referring to here, but you may be talking about something like a chain fall. That has a heavy-duty load chain which is rated to handle the full load that ... spun by the operator (or twists in repose), but it is in no way holding any part of the load.

Assertion: Detritus food chain begins with decomposers. Reason: Detrivores, like fungi and bacteria, are major decomposers in such food chains.

Description : Assertion: Detritus food chain begins with decomposers. Reason: Detrivores, like fungi and bacteria, are major decomposers in such food chains.

Last Answer : Assertion: Detritus food chain begins with decomposers. Reason: Detrivores, like fungi and bacteria, are ... and Reason are false, then mark (4)

. In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher (A) Densities (B) Melting point (C) Tensile strength (D) Hardness, rigidity & brittleness

Description : . In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher (A) Densities (B) Melting point (C) Tensile strength (D) Hardness, rigidity & brittleness

Last Answer : (D) Hardness, rigidity & brittleness

An antigen binding site on the IgG antibody is a combination of a. One variable region from a light chain and one from a heavy chain. b. Two variable regions from two light chains. c. Two variable regions from two heavy chainsd. One variable region from a constant region and one from a variable region..

Description : An antigen binding site on the IgG antibody is a combination of a. One variable region from a light chain and one from a heavy chain. b. Two variable regions from two light chains. c. Two ... from two heavy chains. d. One variable region from a constant region and one from a variable region.

Last Answer : a. One variable region from a light chain and one from a heavy chain.

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

Why is the halogenation of alkanes considered a chain reaction? (a) it occurs quickly. (b) it occurs without the generation of intermediates. (c) each step generates the reactive intermediate that causes the next step to occur. (d) the reaction allows long chains of halogenated alkanes to be formed

Description : Why is the halogenation of alkanes considered a chain reaction? (a) it occurs quickly. (b) it occurs without the generation of intermediates. (c) each step generates the reactive intermediate that causes the next step to occur. (d) the reaction allows long chains of halogenated alkanes to be formed

Last Answer : each step generates the reactive intermediate that causes the next step to occur

hy is a food web more realistic way of portraying an ecosystem than a food chain? a) Because it shows the relation of organisms with each other in a habitat b) Because food chains use only a small sampling of organisms c) Because it doesn‘t shows the relation of organisms with each other in a habitat d) Because it compares the number of consumers to the number of micro-organisms.

Description : Why is a food web more realistic way of portraying an ecosystem than a food chain? a) Because it shows the relation of organisms with each other in a habitat b) Because food chains use only a ... other in a habitat d) Because it compares the number of consumers to the number of micro-organisms.

Last Answer : Because it shows the relation of organisms with each other in a habitat 

The sequential steps in the conversion of tyrosine to epinephrine are (A) Ring hydroxylation-decarboxylation-side chain hydroxylation-N-methylation (B) Side chain hydroxylation-decarboxylation-ring hydroxylation N-methylation (C) Decarboxylation-ring hydroxylation-side chain hydroxylation-N-methylation (D) N-methylation-decarboxylation-ring and side chain hydroxylation

Description : The sequential steps in the conversion of tyrosine to epinephrine are (A) Ring hydroxylation-decarboxylation-side chain hydroxylation-N-methylation (B) Side chain hydroxylation-decarboxylation- ... chain hydroxylation-N-methylation (D) N-methylation-decarboxylation-ring and side chain hydroxylation

Last Answer : Answer : A

β-Oxidation of odd-carbon fatty acid chain produces (A) Succinyl CoA (B) Propionyl CoA (C) Acetyl CoA (D) Malonyl CoA

Description : β-Oxidation of odd-carbon fatty acid chain produces (A) Succinyl CoA (B) Propionyl CoA (C) Acetyl CoA (D) Malonyl CoA

Last Answer : Answer : D

As a result of each oxidation a long chain fatty acid is cleaved to give (A) An acid with 3-carbon less and propionyl CoA (B) An acid with 2-carbon less and acetyl CoA (C) An acid with 2-carbon less and acetyl CoA (D) An acid with 4-carbon and butyryl CoA

Description : As a result of each oxidation a long chain fatty acid is cleaved to give (A) An acid with 3-carbon less and propionyl CoA (B) An acid with 2-carbon less and acetyl CoA (C) An acid with 2-carbon less and acetyl CoA (D) An acid with 4-carbon and butyryl CoA

Last Answer : Answer : B

All long chain fatty acids with even number of carbon atoms are oxidized to a pool of _________ by β-oxidation. (A) CO2 (B) Propionic acid (C) Acetic acid (D) Acetyl CoA

Description : All long chain fatty acids with even number of carbon atoms are oxidized to a pool of _________ by β-oxidation. (A) CO2 (B) Propionic acid (C) Acetic acid (D) Acetyl CoA

Last Answer : Answer : D

Nonsense codons bring about (A) Amino acid activation (B) Initiation of protein synthesis (C) Termination of protein synthesis (D) Elongation of polypeptide chains

Description : Nonsense codons bring about (A) Amino acid activation (B) Initiation of protein synthesis (C) Termination of protein synthesis (D) Elongation of polypeptide chains

Last Answer : Answer : C

Insulin is oxidized to separate the protein molecule into its constituent polypeptide chains without affecting the other part of the molecule by the use of (A) Performic acid (B) Oxalic acid (C) Citric acid (D) Malic acid

Description : Insulin is oxidized to separate the protein molecule into its constituent polypeptide chains without affecting the other part of the molecule by the use of (A) Performic acid (B) Oxalic acid (C) Citric acid (D) Malic acid

Last Answer : Answer : A

Bence-Jones proteins possess all the following properties except (A) They are dimers of light chains (B) Their amino acids sequences are identical (C) Their N-terminal halves have variable amino acid sequences (D) Their C-terminal halves have constant amino acid sequences

Description : Bence-Jones proteins possess all the following properties except (A) They are dimers of light chains (B) Their amino acids sequences are identical (C) Their N-terminal halves have variable amino acid sequences (D) Their C-terminal halves have constant amino acid sequences

Last Answer : Answer : B

In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the (A) Hexamethylene diamine and the ring (B) Hexamethylene diamine and the adipic acid (C) Adipic acid and the ring (D) None of these

Description : In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the (A) Hexamethylene diamine and the ring (B) Hexamethylene diamine and the adipic acid (C) Adipic acid and the ring (D) None of these

Last Answer : (B) Hexamethylene diamine and the adipic acid

In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the (A) Diamine and the ring (B) Dibasic acid and the ring (C) Diamine and the dibasic acid (D) None of these

Description : In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the (A) Diamine and the ring (B) Dibasic acid and the ring (C) Diamine and the dibasic acid (D) None of these

Last Answer : (C) Diamine and the dibasic acid

The property of carbon atoms to form long chains in compounds is called

Description : The property of carbon atoms to form long chains in compounds is called

Last Answer : catenation.

The major carbon compound formed from the incomplete combustion of a hydrocarbon in air is (a) carbon dioxide (b) carbon monoxide (c) water (d) alkyl chains

Description : The major carbon compound formed from the incomplete combustion of a hydrocarbon in air is (a) carbon dioxide (b) carbon monoxide (c) water (d) alkyl chains

Last Answer : carbon monoxide

Which statement about hormone types is correct? A) Non-steroid hormones activate an enzyme cascade. B) Steroid hormones regulate the production of a particular protein. C) Non-steroid hormones are either amino acids, peptides, or proteins. D) Steroid hormones all have four carbon rings with different side chains. E) All of the choices are correct.

Description : Which statement about hormone types is correct? A) Non-steroid hormones activate an enzyme cascade. B) Steroid hormones regulate the production of a particular protein. C) Non-steroid hormones are ... all have four carbon rings with different side chains. E) All of the choices are correct.

Last Answer : E) All of the choices are correct.

Carbon atoms link together with other carbon atoms in all of the following ways EXCEPT w) networks x) chains y) ionic bonds z) rings

Description : Carbon atoms link together with other carbon atoms in all of the following ways EXCEPT w) networks x) chains y) ionic bonds z) rings

Last Answer : ANSWER: Y -- IONIC BONDS

The number of carbon atoms in decanoic acid present in butter: (A) 6 (B) 8 (C) 10 (D) 12

Description : The number of carbon atoms in decanoic acid present in butter: (A) 6 (B) 8 (C) 10 (D) 12

Last Answer : Answer : C

Have you ever felt bonded to a celebrity that you never met?

Description : Have you ever felt bonded to a celebrity that you never met?

Last Answer : Yes… and I don’t know why but I have never met eyebrows more mesmerizing than Bela Lugosi’s.

What does it mean to be bonded?

Description : What does it mean to be bonded?

Last Answer : answer:I thought this was a straight-forward and easily answerable question until I looked it up. Here's what I found on Wikipedia: Commercial, license, or permit bond, usually required by law, are a ... amount is $50,000. To put it simply, it means a bonded person will perform services lawfully.

What is Bonded Warehouse ?

Description : What is Bonded Warehouse ?

Last Answer : Warehouse is the place where duty free imported raw materials or goods are stored . It is usually under the joint supervision of a customs officer and a bank official . This arrangement has been made ... . The consent of both the officers is required when ordering the goods out of the warehouse .

In `CO_(2),SO_(2),SiO_(2)` each central atom is covalently bonded with :-

Description : In `CO_(2),SO_(2),SiO_(2)` each central atom is covalently bonded with :-

Last Answer : In `CO_(2),SO_(2),SiO_(2)` each central atom is covalently bonded with :- A. 2,2,4 ... ,4 oxygen atom respectively D. 4,4,4 oxygen atom respectively

Assertion :- Oxidation number of `Ni` in `[Ni(CO)_(4)]` is zero. ltbr. Reason :- Nickel is bonded to neutral ligand, carbonyl.

Description : Assertion :- Oxidation number of `Ni` in `[Ni(CO)_(4)]` is zero. ltbr. Reason :- Nickel is bonded to neutral ligand, carbonyl.

Last Answer : Assertion :- Oxidation number of `Ni` in `[Ni(CO)_(4)]` is zero. ltbr. Reason :- Nickel is ... is False. D. If both Assertion & Reason are False.

What are some Disadvantage of bonded fabric?

Description : What are some Disadvantage of bonded fabric?

Last Answer : Need answer