The association of histone H1 with a nucleosome indicates: (1) DNA replication is occurring. (2) The DNA is condensed into a Chromatin Fibre. (3) The DNA double helix is exposed. (4) Transcription is occurring.

The association of histone H1 with a nucleosome
indicates:
(1) DNA replication is occurring.
(2) The DNA is condensed into a Chromatin Fibre.
(3) The DNA double helix is exposed.
(4) Transcription is occurring.
by

1 Answer

Answer :

(2) The DNA is condensed into a Chromatin Fibre.
by

Related questions

The association of histone H1 with a nucleosome indicates that (a) DNA replication is occurring (b) the DNA is condensed into a chromatin fibre (c) the DNA double helix is exposed (d) transcription is occurring.

Description : The association of histone H1 with a nucleosome indicates that (a) DNA replication is occurring (b) the DNA is condensed into a chromatin fibre (c) the DNA double helix is exposed (d) transcription is occurring.

Last Answer : (b) the DNA is condensed into a chromatin fibre

Chromatin has two different regions, euchromatin and heterochromatin. One of these regions is highly condensed and considered an inactive region whereas the other is less condensed so it is more accessible for transcription. Which of these regions would contain genes that are being transcribed often?

Description : Chromatin has two different regions, euchromatin and heterochromatin. One of these regions is highly condensed and considered an inactive region whereas the other is less condensed so it is more ... for transcription. Which of these regions would contain genes that are being transcribed often?

Last Answer : Euchromatin. Euchromatin is less condensly packaged allowing for easier access by transcription factors and polymerases. Heterochromatin is a region of condensed packaging and considered an inactive region.

A single DNA molecule condensed into a compact structure in vivo by complexing with accessory histones or histone-like proteins.

Description : A single DNA molecule condensed into a compact structure in vivo by complexing with accessory histones or histone-like proteins.

Last Answer : Ans. Chromosome

Match the columns and identify the correct option. Column I Column II A. Thylakoids (i) Disc-shaped sacs in Golgi apparatus B. Cristae (ii) Condensed structure of DNA C. Cisternae (iii) Flat membranous sacs in stroma D. Chromatin (iv) Infoldings in mitochondria (a) A-(iii), B-(i), C-(iv), D-(ii) (b) A-(iii), B-(iv), C-(ii), D-(i) (c) A-(iv), B-(iii), C-(i), D-(ii) (d) A-(iii), B-(iv), C-(i), D-(ii)

Description : Match the columns and identify the correct option. Column I Column II A. Thylakoids (i) Disc-shaped sacs in Golgi apparatus B. Cristae (ii) Condensed structure of DNA C. Cisternae (iii) Flat membranous sacs in stroma D. Chromatin (iv) ... iii), C-(i), D-(ii) (d) A-(iii), B-(iv), C-(i), D-(ii)

Last Answer : (d) A-(iii), B-(iv), C-(i), D-(ii)

There are special proteins that help to open up DNA double helix in front of the replication fork. These proteins are (a) DNA ligase (b) DNA topoisomerase I (c) DNA gyrase (d) DNA polymerase I.

Description : There are special proteins that help to open up DNA double helix in front of the replication fork. These proteins are (a) DNA ligase (b) DNA topoisomerase I (c) DNA gyrase (d) DNA polymerase I.

Last Answer : (c) DNA gyrase

An important step in protein synthesis is transcription. Which of the following statement(s) is/are true concerning this process? a. The first step in gene transcription involves separating the double helix of DNA by an enzyme known as DNA polymerase b. The initial product of DNA transcription is called heterogeneous nuclear RNA which codes directly for proteins c. After processing is complete, the mRNA is exported from the nucleus to the cytoplasm d. Only one protein can be produced from an initial mRNA strand

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Microtubules are the constituents of (a) centrioles, spindle fibres and chromatin (b) centrosome, nucleosome and centrioles (c) cilia, flagella and peroxisomes (d) spindle fibres, centrioles and cilia.

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Last Answer : (d) spindle fibres, centrioles and cilia

Nucleosome core is made of (a) H0, H2A, H2B and H3 (b) H1, H2A, H2B, H4 (c) H1, H2A, H2B, H3 and H4 (d) H2A, H2B, H3 and H4.

Description : Nucleosome core is made of (a) H0, H2A, H2B and H3 (b) H1, H2A, H2B, H4 (c) H1, H2A, H2B, H3 and H4 (d) H2A, H2B, H3 and H4.

Last Answer : (d) H2A, H2B, H3 and H4

During replication, unwinding of double helix is initiated by (A) DNAA protein (B) DnaB protein (C) DNAC protein (D) Rep protein

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The enzyme which catalyzes the unwinding of DNA helix during replication is: (1) Primase (2) Topoisomerase (3) Helicase (4) DNA polymerase

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Last Answer : (3) Helicase Explanation: A type of helicase enzyme called DNA helicase catalyzes the unwinding of the DNA helix at the time of replication. It uses the energy released through hydrolysis of ATP ( ... The enzyme is needed to separate the two strands of DNA also during transcription and DNA repair.

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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

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Which best describes a difference between transcription and DNA replication?

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What is One difference between transcription and DNA replication?

Description : What is One difference between transcription and DNA replication?

Last Answer : Feel Free to Answer

How are DNA replication and transcription similar?

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Rifampicin inhibits (A) Unwinding of DNA (B) Initiation of replication (C) Initiation of translation (D) Initiation of transcription

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Synthesis of RNA and a DNA template is known as (A) Replication (B) Translation (C) Transcription (D) Mutation

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Synthesis of DNA is also known as (A) Duplication (B) Replication (C) Transcription (D) Translation

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The process of copying genetic information from one strand of DNA in to RNA is termed as (a) translation (b) transcription (c) replication (d) mutation

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Melting temperature of DNA is the temperature at which (A) Solid DNA becomes liquid (B) Liquid DNA evaporates (C) DNA changes from double helix into supercoiled DNA (D) Native double helical DNA is denatured

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Last Answer : Answer : A

Who Discovered the Double Helix DNA ?

Last Answer : Double helix discovers DNA (Watson and Creek)

DNA Double Helix Model Discovery Does Who ?

Last Answer : Watson And Creek DNA Double Helix Model Discovery Does.

What are the components and structure of a DNA double helix molecule?

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Last Answer : Feel Free to Answer

The outside of the DNA double helix is made of alternating groups of deoxyribose sugars and _____.?

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Last Answer : phosphates

The structural stability of the double helix of DNA is as cribbed largely to (A) Hydrogen bonding between adjacent purine bases (B) Hydrophobic bonding between staked purine and pyrinuidine nuclei (C) Hydrogen bonding between adjacent pyrimidine bases (E) Hydrogen bonding between purine and pyrimidine bases

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Last Answer : Answer : D

Left handed double helix is present in (A) Z-DNA (B) A-DNA (C) B-DNA (D) None of these

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The enzyme DNA ligase (A) Introduces superhelical twists (B) Connects the end of two DNA chains (C) Unwinds the double helix (D) Synthesises RNA primers

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The width (helical diameter) of the double helix in B-form DNA in nm is (A) 1 (B) 2 (C) 3 (D) 4

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Mitochondrial DNA is (A) Circular double stranded (B) Circular single stranded (C) Linear double helix (D) None of these

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The double helix model of DNA proposed by

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Last Answer : Ans. Watson and Crick (1953)

Double helix model of DNA was proposed by

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Last Answer : Ans. Watson and Crick (1953)

The two strands of the DNA double helix are held together by (a) Hydrogen bonds (b)C=C double bonds (c) Hydrophobic bonds (d) Peptide bonds

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Last Answer : Ans:(a)

If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 × 109 bp, then the length of the DNA is approximately (a) 2.0 meters (b) 2.5 meters (c) 2.2 meters (d) 2.7 meters.

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Last Answer : (b) 2.5 meters

If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 × 109 bp, then the length of the DNA is approximately (a) 2.0 meters (b) 2.5 meters (c) 2.2 meters (d) 2.7 meters.

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Last Answer : (c) 2.2 meters

Radiotracer technique shows that DNA is in (a) multi-helix stage (b) single-helix stage (c) double-helix stage (d) none of these.

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Last Answer : (c) double-helix stage

In double helix of DNA, the two DNA strands are (a) coiled around a common axis (b) coiled around each other(c) coiled differently (d) coiled over protein sheath.

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Last Answer : (a) coiled around a common axis

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

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

What is the genetic material in influenza virus? (a) Double helical DNA (b) RNA (c) Single helix DNA (d) None of these

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Last Answer : (b) RNA

The double helix is a structural arrangement associated with _____. a. A Polysaccharide. b. The DNA Molecule. c. Glucose Molecules In Starch. d. A Protein.

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Last Answer : b. The DNA Molecule.

The structure of DNA is a double helix formed by two strands of DNA sequence. This sequence consists of 4 different nucleotides- Adenine, Thymine, Cytosine and Guanine. How do the nucleotides on one strand interact with the nucleotides on the second strand to maintain the helical shape of DNA?

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Last Answer : Complementary Base Pairing. Adenine complementary base pairs with Thymine and Guanine complementary base pairs with Cytosine.