how many amino acids are there in one turn of alpha helix?

how many amino acids are there in one turn of alpha helix?
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1 Answer

Answer :

3.6 amino acid.
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Related questions

Each turn of α-helix contains the number of amino acids (A) 2.8 (B) 3.2 (C) 3.4 (D) 3.6

Description : Each turn of α-helix contains the number of amino acids (A) 2.8 (B) 3.2 (C) 3.4 (D) 3.6

Last Answer : Answer : D

α-helix is disrupted by certain amino acids like (A) Proline (B) Arginine (C) Histidine (D) Lysine

Description : α-helix is disrupted by certain amino acids like (A) Proline (B) Arginine (C) Histidine (D) Lysine

Last Answer : Answer : A

Each turn of α-helix contains the amino acid residues (number): (A) 3.6 (B) 3.0 (C) 4.2 (D) 4.5

Description : Each turn of α-helix contains the amino acid residues (number): (A) 3.6 (B) 3.0 (C) 4.2 (D) 4.5

Last Answer : Answer : A

Which is wrong about nucleic acids? (a) DNA is single stranded in some viruses. (b) RNA is double stranded occasionally. (c) Length of one helix is 45 Å in B-DNA. (d) One turn of Z-DNA has 12 bases

Description : Which is wrong about nucleic acids? (a) DNA is single stranded in some viruses. (b) RNA is double stranded occasionally. (c) Length of one helix is 45 Å in B-DNA. (d) One turn of Z-DNA has 12 bases

Last Answer : (c) Length of one helix is 45 Å in B-DNA

Abnormal chain of amino acids in sickle cell anaemia is (A) Alpha chain (B) Beta chain (C) Delta chain (D) Gama chain

Description : Abnormal chain of amino acids in sickle cell anaemia is (A) Alpha chain (B) Beta chain (C) Delta chain (D) Gama chain

Last Answer : Answer : B

Abnormal chain of amino acids in sickle cells anaemia is (A) Alpha chain (B) Beta chain (C) Gama chain (D) Delta chain

Description : Abnormal chain of amino acids in sickle cells anaemia is (A) Alpha chain (B) Beta chain (C) Gama chain (D) Delta chain

Last Answer : Answer : B

Which will inhibit the formation of alpha helix?

Description : Which will inhibit the formation of alpha helix?

Last Answer : Proline.

Are both sides of the DNA helix used for the same amino acid?

Description : Are both sides of the DNA helix used for the same amino acid?

Last Answer : Typically only one strand is used as the template for messenger RNA synthesis, but some regions of DNA can encode multiple RNAs that are transcribed from opposite strands.

An amino acid that does not take part in α helix formation is (A) Histidine (B) Tyrosine (C) Proline (D) Tryptophan

Description : An amino acid that does not take part in α helix formation is (A) Histidine (B) Tyrosine (C) Proline (D) Tryptophan

Last Answer : Answer : C

Along the α-helix each amino acid residue advances in nm by (A) 0.15 (B) 0.10 (C) 0.12 (D) 0.20

Description : Along the α-helix each amino acid residue advances in nm by (A) 0.15 (B) 0.10 (C) 0.12 (D) 0.20

Last Answer : Answer : A

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

$ DNA helix to 20Å wide. One complete turn of DNA is 34Å long.

Description : $ DNA helix to 20Å wide. One complete turn of DNA is 34Å long.

Last Answer : $ DNA helix to 20Å wide. One complete turn of DNA is 34Å long. A. If both As and R are correct and R ... , R is wrong D. If both As and R are wrong.

Proteins which interact with DNA and affect the rate of transcription possess the following structural motif: (A) Helix-turn-helix motif (B) Zinc finger motif (C) Leucine zipper motif (D) All of these

Description : Proteins which interact with DNA and affect the rate of transcription possess the following structural motif: (A) Helix-turn-helix motif (B) Zinc finger motif (C) Leucine zipper motif (D) All of these

Last Answer : Answer : D

Ten base pairs are present in one turn of the helix in (A) A-DNA (B) B-DNA (C) C-DNA (D) Z-DNA

Description : Ten base pairs are present in one turn of the helix in (A) A-DNA (B) B-DNA (C) C-DNA (D) Z-DNA

Last Answer : Answer : B

The distance travelled per turn of α-helix in nm is (A) 0.34 (B) 0.44 (C) 0.54 (D) 0.64

Description : The distance travelled per turn of α-helix in nm is (A) 0.34 (B) 0.44 (C) 0.54 (D) 0.64

Last Answer : Answer : C

One turn of the helix in a B-form DNA is approximately (a) 2 nm (b) 20 nm (c) 0.34 nm (d) 3.4 nm.

Description : One turn of the helix in a B-form DNA is approximately (a) 2 nm (b) 20 nm (c) 0.34 nm (d) 3.4 nm.

Last Answer : ) 3.4 nm.

If the amino group and a carboxylic group of the amino acid are attached to same carbon atom, the amino acid is called as (A) Alpha (B) Beta (C) Gamma (D) Epsilon

Description : If the amino group and a carboxylic group of the amino acid are attached to same carbon atom, the amino acid is called as (A) Alpha (B) Beta (C) Gamma (D) Epsilon

Last Answer : Answer : A

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

If the amino group and a carboxylic group of the amino acid are attached to same carbon atom, the amino acid is called (A) Alpha (B) Beta (C) Gamma (D) Delta

Description : If the amino group and a carboxylic group of the amino acid are attached to same carbon atom, the amino acid is called (A) Alpha (B) Beta (C) Gamma (D) Delta

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With regard to insulin: a. it is a 51 amino acid peptide b. it is formed by removal of C-chain from proinsulin c. it is produced by the alpha cells of the pancreas d. it alters the rate of enzyme synthesis

Description : With regard to insulin: a. it is a 51 amino acid peptide b. it is formed by removal of C-chain from proinsulin c. it is produced by the alpha cells of the pancreas d. it alters the rate of enzyme synthesis

Last Answer : it alters the rate of enzyme synthesis

Typically proteins do not work in their simple amino acid chain structure but instead fold and form shapes that help in their function. Which of the structures is described as being in alpha helices and beta sheets?

Description : Typically proteins do not work in their simple amino acid chain structure but instead fold and form shapes that help in their function. Which of the structures is described as being in alpha helices and beta sheets?

Last Answer : Secondary Protein Structure

Refsum’s disease results from a defect in the following pathway except (A) Alpha-oxidation of fatty acids (B) Beta-oxidation of fatty acids (C) Gamma-oxidation of fatty acids (D) Omega-oxidation of fatty acids

Description : Refsum’s disease results from a defect in the following pathway except (A) Alpha-oxidation of fatty acids (B) Beta-oxidation of fatty acids (C) Gamma-oxidation of fatty acids (D) Omega-oxidation of fatty acids

Last Answer : Answer : A

The following are true about antigen presenting cells (APC): a. Langerhan's cells are the antigen presenting cells of the epidermis b. CD8+ cells only recognize antigen presenting cells bearing MHC (major histocompatibility complex) class I c. tumour necrosis factor alpha (TNF ) can turn endothelial cells into antigen presenting cells d. all above

Description : The following are true about antigen presenting cells (APC): a. Langerhan's cells are the antigen presenting cells of the epidermis b. CD8+ cells only recognize antigen presenting cells bearing ... necrosis factor alpha (TNF ) can turn endothelial cells into antigen presenting cells d. all above

Last Answer : all above

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

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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.

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Description : What are the essential and non-essential amino acids? -Biology

Last Answer : answer:

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:

What is lost from amino acids in the formation of a peptide bond? -Biology

Description : What is lost from amino acids in the formation of a peptide bond? -Biology

Last Answer : answer:

What two elements are connected in a peptide bond of 2 amino acids? -Biology

Description : What two elements are connected in a peptide bond of 2 amino acids? -Biology

Last Answer : answer:

Write a note on amino acids. -Biology

Description : Write a note on amino acids. -Biology

Last Answer : answer:

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Which characteristic makes nine amino acids “essential”?

Description : Which characteristic makes nine amino acids “essential”?

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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

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Description : What are amino acids ?

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How many of the 20 amino acids are called essential amino acids ?

Description : How many of the 20 amino acids are called essential amino acids ?

Last Answer : Out of 20 amino acids, 6 acids are called essential amino acids.

How many types of amino acids have been found in the human body so far ?

Description : How many types of amino acids have been found in the human body so far ?

Last Answer : So far 20 amino acids have been found in human body.

Where amino acids are converted into urea ?

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calculation of amino acids from a polypeptide

Description : The gene for urcity polypeptide contains 450 nucleotide pairs. Calculate how many amino acids this polypeptide contains. It has to come out 150 I don't know how to calculate. Thank you very much for your help.

Last Answer : It should have something to do with the fact that each AMK is represented by a triplet (three proteins). so about only 450/3 = 150

how does carbon, hydrogen, and oxygen from sugar combine with other elements to make amino acids

Description : how does carbon, hydrogen, and oxygen from sugar combine with other elements to make amino acids

Last Answer : I would suggest that you read your text book as this is not a question that can be answered in a line or 2 or you can read here: http://www.chemistryland.com/ElementarySchool/BuildingBlocks/BuildingOrganic.htm

Experiences with parenteral amino acids?

Description : Experiences with parenteral amino acids?

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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

Amino acids are absorbed in -

Description : Amino acids are absorbed in -

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Proteins are broken down into amino acids in -

Description : Proteins are broken down into amino acids in -

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The major site of protein breakdown to form free amino acids, is the

Description : The major site of protein breakdown to form free amino acids, is the

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Match the codons given in column I with their respective amino acids given in column II and choose the correct answer.

Description : Match the codons given in column I with their respective amino acids given in column II and choose the correct answer.

Last Answer : Match the codons given in column I with their respective amino acids given in column II and choose the correct answer. ... -II, b-IV, c-I, d-V, e-III

Energy for activation of amino acids during proteins synthesis comes from

Description : Energy for activation of amino acids during proteins synthesis comes from

Last Answer : Energy for activation of amino acids during proteins synthesis comes from A. ATP B. GTP C. CTP D. UTP

Granis of major cereals and millets lack amino acids

Description : Granis of major cereals and millets lack amino acids

Last Answer : Granis of major cereals and millets lack amino acids A. Methionine and cysteine B. Methionine ... . Tryoptophan and cysteine D. Lysine and troptophan