Number of amino acids present in the plant, animal and microbial proteins: (A) 20 (B) 80 (C) 150 (D) 200

Number of amino acids present in the plant, animal and microbial proteins: (A) 20 (B) 80 (C) 150 (D) 200
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Number of amino acids present in plants, animals and microbial proteins: (A) 20 (B) 80 (C) 150 (D) 200

Description : Number of amino acids present in plants, animals and microbial proteins: (A) 20 (B) 80 (C) 150 (D) 200

Last Answer : Answer : D

Number of amino acids present in the dietary proteins: (A) 22 (B) 23 (C) 20 (D) 19

Description : Number of amino acids present in the dietary proteins: (A) 22 (B) 23 (C) 20 (D) 19

Last Answer : Answer : C

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

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

Selectins are proteins that can recognise specific (A) Carbohydrates (B) Lipids (C) Amino acids (D) Nucleotides

Description : Selectins are proteins that can recognise specific (A) Carbohydrates (B) Lipids (C) Amino acids (D) Nucleotides

Last Answer : Answer : A

Introns in genes (A) Encode the amino acids which are removed during post-translational modification (B) Encode signal sequences which are removed before secretion of the proteins (C) Are the non-coding sequences which are not translated (D) Are the sequences that intervene between two genes

Description : Introns in genes (A) Encode the amino acids which are removed during post-translational modification (B) Encode signal sequences which are removed before secretion of the proteins (C) Are the non-coding sequences which are not translated (D) Are the sequences that intervene between two genes

Last Answer : Answer : C

Transfer RNA transfers (A) Information from DNA to ribosomes (B) Information from mRNA to cytosol (C) Amino acids from cytosol to ribosomes (D) Proteins from ribosomes to cytosol

Description : Transfer RNA transfers (A) Information from DNA to ribosomes (B) Information from mRNA to cytosol (C) Amino acids from cytosol to ribosomes (D) Proteins from ribosomes to cytosol

Last Answer : Answer : C

Phrynoderma is a deficiency of (A) Essential fatty acids(B) Proteins (C) Amino acids (D) None of these

Description : Phrynoderma is a deficiency of (A) Essential fatty acids(B) Proteins (C) Amino acids (D) None of these

Last Answer : Answer : A

Degradation of proteins to amino acids, glucose from carbohydrates and fatty acids from lipids is known as (A) Anabolism (B) Metabolism (C) Catabolism (D) Cretinism

Description : Degradation of proteins to amino acids, glucose from carbohydrates and fatty acids from lipids is known as (A) Anabolism (B) Metabolism (C) Catabolism (D) Cretinism

Last Answer : Answer : C

Xanthoproteic test is positive in proteins containing (A) Sulphur amino acids (B) α-Amino acids (C) Aromatic amino acids (D) Aliphatic amino acids

Description : Xanthoproteic test is positive in proteins containing (A) Sulphur amino acids (B) α-Amino acids (C) Aromatic amino acids (D) Aliphatic amino acids

Last Answer : Answer : C

Polymers of more than 100 amino acids are termed (A) Proteins (B) Polypeptides (C) Both (A) and (B) (D) None of these

Description : Polymers of more than 100 amino acids are termed (A) Proteins (B) Polypeptides (C) Both (A) and (B) (D) None of these

Last Answer : Answer : A

Increased serum alanine during fasting is due to (A) Breakdown of muscle proteins (B) Decreased utilization of non essential amino acids (C) Leakage of aminoacids to plasma (D) Impaired renal function

Description : Increased serum alanine during fasting is due to (A) Breakdown of muscle proteins (B) Decreased utilization of non essential amino acids (C) Leakage of aminoacids to plasma (D) Impaired renal function

Last Answer : Answer : A

For biosynthesis of proteins (A) Amino acids only are required (B) Amino acids and nucleic acids only are required (C) Amino acid, nucleic acids and ATP only are required (D) Amino acids, nucleic acids, ATP, GTP, enzymes and activators are required

Description : For biosynthesis of proteins (A) Amino acids only are required (B) Amino acids and nucleic acids only are required (C) Amino acid, nucleic acids and ATP only are required (D) Amino acids, nucleic acids, ATP, GTP, enzymes and activators are required

Last Answer : Answer : D

Enzyme catalyzed hydrolysis of proteins produces amino acids of the form: (A) D (B) L (C) DL (D) All of these

Description : Enzyme catalyzed hydrolysis of proteins produces amino acids of the form: (A) D (B) L (C) DL (D) All of these

Last Answer : Answer : B

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

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

Non essential amino acids (A) Are not components of tissue proteins (B) May be synthesized in the body from essential amino acids (C) Have no role in the metabolism (D) May be synthesized in the body in diseased states

Description : Non essential amino acids (A) Are not components of tissue proteins (B) May be synthesized in the body from essential amino acids (C) Have no role in the metabolism (D) May be synthesized in the body in diseased states

Last Answer : Answer : B

All the following are sulphur containing amino acids found in proteins except (A) Cysteine (B) Cystine (C) Methionine (D) Threonine

Description : All the following are sulphur containing amino acids found in proteins except (A) Cysteine (B) Cystine (C) Methionine (D) Threonine

Last Answer : Answer : D

Proteins contain (A) Only L- α - amino acids (B) Only D-amino acids (C) DL-Amino acids (D) Both (A) and (B)

Description : Proteins contain (A) Only L- α - amino acids (B) Only D-amino acids (C) DL-Amino acids (D) Both (A) and (B)

Last Answer : Answer : A

Mucopolysaccharides are (A) Hamopolysaccharides (B) Hetropolysaccharides (C) Proteins (D) Amino acids

Description : Mucopolysaccharides are (A) Hamopolysaccharides (B) Hetropolysaccharides (C) Proteins (D) Amino acids

Last Answer : A

What are the names for the end amino acids of proteins.

Description : What are the names for the end amino acids of proteins.

Last Answer : The end where there is a free alpha amino group is called the amino terminal (N-terminal) end. The other end of the polypeptide chain is called the carboxy terminal end (C-terminal) where there is a free alpha carboxyl group.

Non essential amino acids (A) Are not components of tissue proteins (B) May be synthesized in the body from essential amino acids (C) Have no role in the metabolism (D) May be synthesized in the body in diseased states

Description : Non essential amino acids (A) Are not components of tissue proteins (B) May be synthesized in the body from essential amino acids (C) Have no role in the metabolism (D) May be synthesized in the body in diseased states

Last Answer : (B) May be synthesized in the body from essential amino acids

All the following are sulphur containing amino acids found in proteins except (A) Cysteine (B) Cystine (C) Methionine (D) Threonine

Description : All the following are sulphur containing amino acids found in proteins except (A) Cysteine (B) Cystine (C) Methionine (D) Threonine

Last Answer : (D) Threonine

Proteins contain (A) Only L-  - amino acids (B) Only D-amino acids (C) DL-Amino acids (D) Both (A) and (B)

Description : Proteins contain (A) Only L-  - amino acids (B) Only D-amino acids (C) DL-Amino acids (D) Both (A) and (B)

Last Answer : (A) Only L-  - amino acids

How many different kinds of amino acids are specified by the genetic code? (a) 15 (b) 20 (c) 12 (d) 200

Description : How many different kinds of amino acids are specified by the genetic code? (a) 15 (b) 20 (c) 12 (d) 200

Last Answer : Ans:(b)

Which one of the following items gives its correct total number? (a) Types of diabetes-3 (b) Cervical vertebrae in humans-8 (c) Floating ribs in humans-4 (d) Amino acids found in proteins-16

Description : Which one of the following items gives its correct total number? (a) Types of diabetes-3 (b) Cervical vertebrae in humans-8 (c) Floating ribs in humans-4 (d) Amino acids found in proteins-16

Last Answer : (c) Floating ribs in humans-4

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

An example of α-amino acid not present in proteins but essential in mammalian metabolism is (A) 3-Amino 3-hydroxypropanoic acid (B) 2-Amino 3-hydroxybutanoic acid (C) 2-Amino 4-mercaptobutanoic acid (D) 2-Amino 3-mercaptopropanoic acid

Description : An example of α-amino acid not present in proteins but essential in mammalian metabolism is (A) 3-Amino 3-hydroxypropanoic acid (B) 2-Amino 3-hydroxybutanoic acid (C) 2-Amino 4-mercaptobutanoic acid (D) 2-Amino 3-mercaptopropanoic acid

Last Answer : Answer : C

An example of -amino acid not present in proteins but essential in mammalian metabolism is (A) 3-Amino 3-hydroxypropanoic acid (B) 2-Amino 3-hydroxybutanoic acid (C) 2-Amino 4-mercaptobutanoic acid (D) 2-Amino 3-mercaptopropanoic acid

Description : An example of -amino acid not present in proteins but essential in mammalian metabolism is (A) 3-Amino 3-hydroxypropanoic acid (B) 2-Amino 3-hydroxybutanoic acid (C) 2-Amino 4-mercaptobutanoic acid (D) 2-Amino 3-mercaptopropanoic acid

Last Answer : (C) 2-Amino 4-mercaptobutanoic acid

.In the genetic dictionary, there are 64 codons as (a) 64 amino acids are to be coded (b) 64 types of tRNAs are present (c) there are 44 nonsense codons and 20 sense codons (d) genetic code is triplet.

Description : .In the genetic dictionary, there are 64 codons as (a) 64 amino acids are to be coded (b) 64 types of tRNAs are present (c) there are 44 nonsense codons and 20 sense codons (d) genetic code is triplet.

Last Answer : (c) there are 44 nonsense codons and 20 sense codons

In the genetic dictionary, there are 64 codons as (a) 64 amino acids are to be coded (b) 64 types of tRNAs are present (c) there are 44 nonsense codons and 20 sense codons (d) genetic code is triplet

Description : In the genetic dictionary, there are 64 codons as (a) 64 amino acids are to be coded (b) 64 types of tRNAs are present (c) there are 44 nonsense codons and 20 sense codons (d) genetic code is triplet

Last Answer : genetic code is triplet

Biological activity of gastrin is present in the (A) Four N-terminal amino acids (B) Four C-terminal amino acids (C) Five N-terminal amino acids (D) Five C-terminal amino acids

Description : Biological activity of gastrin is present in the (A) Four N-terminal amino acids (B) Four C-terminal amino acids (C) Five N-terminal amino acids (D) Five C-terminal amino acids

Last Answer : Answer : B

The amino acids present in pulses can supplement the limiting amino acids of (A) Cereals (B) Milk (C) Fish (D) Nuts and beans

Description : The amino acids present in pulses can supplement the limiting amino acids of (A) Cereals (B) Milk (C) Fish (D) Nuts and beans

Last Answer : Answer : A

The blood cholesterol level in 100ml of blood in a normal person varies between (1) 150 and 200 mg (2) 120 and 200 mg (3) 100 and 180 mg (4) 80 and 160 mg

Description : The blood cholesterol level in 100ml of blood in a normal person varies between (1) 150 and 200 mg (2) 120 and 200 mg (3) 100 and 180 mg (4) 80 and 160 mg

Last Answer : (1) 150 and 200 mg Explanation: Cholesterol is defined as a waxy alcohol, fat-like substance that occurs naturally in all areas of the human body. Cholesterol is measured in milligrams per 100 ... to be normal blood cholesterol; 200-239 mg/dL borderlinehigh; and > 240 mg/dl high cholesterol.

What is the normal blood sugar level of a human being? (1) Close to 10 mg/ml (2) 120 - 150 mg/dl (3) 80 - 90 mg/dl (4) 150 — 200 mg/dl

Description : What is the normal blood sugar level of a human being? (1) Close to 10 mg/ml (2) 120 - 150 mg/dl (3) 80 - 90 mg/dl (4) 150 — 200 mg/dl

Last Answer : (2) 120 - 150 mg/dl Explanation: The blood sugar concentration or blood glucose level is the amount of glucose (sugar) present in the blood of a human or animal. The body naturally tightly regulates blood ... (termed "the fasting level"), and rise after meals for an hour or two by a few millimolar.

Dimensions of Postcards is a) Max 100 X 150 mm & min 80 X 140 mm b) Max 105 X 149 mm & min 90 X 140 mm c) Max 150 X 200 mm & min 70X 140 mm d) None of these

Description : Dimensions of Postcards is a) Max 100 X 150 mm & min 80 X 140 mm b) Max 105 X 149 mm & min 90 X 140 mm c) Max 150 X 200 mm & min 70X 140 mm d) None of these

Last Answer : b) Max 105 X 149 mm & min 90 X 140 mm

A circuit has a resistance of 200 ohms. The resistance of the circuit can be reduced to 120 ohms by adding which of the following to the circuit. w) 80 ohm resistor in series x) 150 ohm resistor in parallel y) 240 ohm resistor in series z) 300 ohm resistor in parallel

Description : A circuit has a resistance of 200 ohms. The resistance of the circuit can be reduced to 120 ohms by adding which of the following to the circuit. w) 80 ohm resistor in series x) 150 ohm resistor in parallel y) 240 ohm resistor in series z) 300 ohm resistor in parallel

Last Answer : ANSWER: Z -- 300 OHM RESISTOR IN PARALLEL

The blood cholesterol level in 100 ml of blood in a normal person varies between— (1) 150 and 200 mg (2) 120 and 200 mg (3) 100 and 180 mg (4) 80 and 160 mg

Description : The blood cholesterol level in 100 ml of blood in a normal person varies between— (1) 150 and 200 mg (2) 120 and 200 mg (3) 100 and 180 mg (4) 80 and 160 mg

Last Answer :  150 and 200 mg

What is the normal blood sugar level of a human being? (1) Close to 10 mg/ml (2) 120 – 150 mg/dl (3) 80 – 90 mg/dl (4) 150 – 200 mg/dl

Description : What is the normal blood sugar level of a human being? (1) Close to 10 mg/ml (2) 120 – 150 mg/dl (3) 80 – 90 mg/dl (4) 150 – 200 mg/dl

Last Answer : 120 – 150 mg/dl 

In the total proteins, the percentage of albumin is about (A) 20–40 (B) 30–45 (C) 50–70 (D) 80–90

Description : In the total proteins, the percentage of albumin is about (A) 20–40 (B) 30–45 (C) 50–70 (D) 80–90

Last Answer : Answer : C

The following statement(s) is/are true concerning newer detection methods of systemic infection. a. Enzyme-linked immunosorbent assay (ELISA) is a rapid immunologic assay used for both antigen and antibody detection b. Southern, northern, and western immunoblot techniques are used to detect DNA, RNA, or proteins, respectively c. Polymerase chain reaction (PCR) is a sensitive assay used to detect small amounts of microbial DNA, thus detecting infection at its early stages d. Infectious agents currently detected using advanced molecular techniques include cytomegalovirus (CMV) and human immunodeficiency virus (HIV)

Description : The following statement(s) is/are true concerning newer detection methods of systemic infection. a. Enzyme-linked immunosorbent assay (ELISA) is a rapid immunologic assay used for ... detected using advanced molecular techniques include cytomegalovirus (CMV) and human immunodeficiency virus (HIV)

Last Answer : Answer: a, b, c, d Although the classic detection of infection based on clinical signs of infection and bacterial culture remain the most common clinical tools, increasing ... including CMV and HIV. Furthermore, preliminary investigations into possible detection of fungal pathogens are underway

Which one of the following macromolecules would NOT normally be used for microbial energy metabolism. a. DNA b. Proteins c. Carbohydrates d. Fats

Description : Which one of the following macromolecules would NOT normally be used for microbial energy metabolism. a. DNA b. Proteins c. Carbohydrates d. Fats

Last Answer : b. Proteins

The flow of genetic material in microbial cells usually takes place from A- RNA through DNA to proteins B- proteins through RNA to DNA C- .DNA through RNA to proteins D- none of these

Description : The flow of genetic material in microbial cells usually takes place from A- RNA through DNA to proteins B- proteins through RNA to DNA C- .DNA through RNA to proteins D- none of these

Last Answer : .DNA through RNA to proteins

Microbial growth slows at temperatures under ____ºF. a. 80 c. 60 b. 70 d. 50

Description : Microbial growth slows at temperatures under ____ºF. a. 80 c. 60 b. 70 d. 50

Last Answer : d. 50

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.

What is the peptide bond that connects amino acids in proteins? -Biology

Description : What is the peptide bond that connects amino acids in proteins? -Biology

Last Answer : answer:

Which one of the following amino acids is not found in proteins ?

Description : Which one of the following amino acids is not found in proteins ?

Last Answer : Which one of the following amino acids is not found in proteins ? A. Arginine B. Ornithine C. Aspartic acid D. Tyrosine

Proteins are broken down into amino acids in -

Description : Proteins are broken down into amino acids in -

Last Answer : Proteins are broken down into amino acids in - A. Buccal cavity B. Stomach C. Intestine D. Rectum