$ DNA replication is semiconservative. ! Helicases are the enzymes which can break the hydrogen bonds between the nuclotides of DNA

$ DNA replication is semiconservative. ! Helicases are the enzymes which can break the hydrogen bonds between the nuclotides of DNA
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$ DNA replication is semiconservative. ! Helicases are the enzymes which can break the hydrogen bonds between the ... D. If both As and R are wrong.
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Why is DNA replication called semiconservative? -Biology

Description : Why is DNA replication called semiconservative? -Biology

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Why is DNA replication called semiconservative? -Biology

Description : Why is DNA replication called semiconservative? -Biology

Last Answer : answer:

In the semiconservative method of replication a. Both parent strands are degraded. b. One parent strand is conserved in each of the the new dna. c. Both parent strands reform with one another. d. Okazaki fragments form both of the new molecules of DNA.

Description : In the semiconservative method of replication a. Both parent strands are degraded. b. One parent strand is conserved in each of the the new dna. c. Both parent strands reform with one another. d. Okazaki fragments form both of the new molecules of DNA.

Last Answer : b. One parent strand is conserved in each of the the new dna.

Why is DNA replication considered semiconservative? a. none of the materials are wasted b. it is a very efficient process c. half of the new DNA molecule is half of the original molecule d. none of the above are correct

Description : Why is DNA replication considered semiconservative? a. none of the materials are wasted b. it is a very efficient process c. half of the new DNA molecule is half of the original molecule d. none of the above are correct

Last Answer : c. half of the new DNA molecule is half of the original molecule

The experimental proof for semiconservative replication of DNA was first shown in a (1) Fungus (2) Bacterium (3) Plant (4) Virus

Description : The experimental proof for semiconservative replication of DNA was first shown in a (1) Fungus (2) Bacterium (3) Plant (4) Virus

Last Answer : (2) Bacterium

$ The enzymes which joins short pieces DNA in the laggins strand is called ligase. ! Lagging strand and leading strand are formed due to replication f

Description : $ The enzymes which joins short pieces DNA in the laggins strand is called ligase. ! Lagging strand and leading strand are formed due to replication f

Last Answer : $ The enzymes which joins short pieces DNA in the laggins strand is called ligase. ! Lagging strand and ... wrong D. If both As and R are wrong.

What is meant by semiconservative replication? -Biology

Description : What is meant by semiconservative replication? -Biology

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List the three phases of semiconservative replication? -Biology

Description : List the three phases of semiconservative replication? -Biology

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What is meant by semiconservative replication? -Biology

Description : What is meant by semiconservative replication? -Biology

Last Answer : answer:

List the three phases of semiconservative replication? -Biology

Description : List the three phases of semiconservative replication? -Biology

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Difference between conservative and semiconservative replication? -Biology

Description : Difference between conservative and semiconservative replication? -Biology

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Difference between conservative and semiconservative replication? -Biology

Description : Difference between conservative and semiconservative replication? -Biology

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$ DNA replication in a bacterial cell is bidirectional. ! A chromosomes with primary constriction is called "SAT" chromosomes.

Description : $ DNA replication in a bacterial cell is bidirectional. ! A chromosomes with primary constriction is called "SAT" chromosomes.

Last Answer : $ DNA replication in a bacterial cell is bidirectional. ! A chromosomes with primary constriction is called "SAT ... D. If both As and R are wrong.

$ The regular sequences of a cell cycle is `G_(1),S,G_(2),M` and C ! Replication of DNA occurs during S phase.

Description : $ The regular sequences of a cell cycle is `G_(1),S,G_(2),M` and C ! Replication of DNA occurs during S phase.

Last Answer : $ The regular sequences of a cell cycle is `G_(1),S,G_(2),M` and C ! Replication of DNA occurs during ... , R is wrong D. If both As and R are wrong.

DNA contains some palindromic sequences which (A) Mark the site for the formation of replication forks (B) Direct DNA polymerase to turn back to replicate the other strand (C) Are recognized by restriction enzymes (D) Are found only in bacterial DNA

Description : DNA contains some palindromic sequences which (A) Mark the site for the formation of replication forks (B) Direct DNA polymerase to turn back to replicate the other strand (C) Are recognized by restriction enzymes (D) Are found only in bacterial DNA

Last Answer : Answer : C

Satellite DNA is important because it (a) does not code for proteins and is same in all members of the population (b) codes for enzymes needed for DNA replication (c) codes for proteins needed in cell cycle (d) shows high degree of polymorphism in population and also the same degree of polymorphism in an individual, which is heritable from parents to children.

Description : Satellite DNA is important because it (a) does not code for proteins and is same in all members of the population (b) codes for enzymes needed for DNA replication (c) codes for proteins ... and also the same degree of polymorphism in an individual, which is heritable from parents to children.

Last Answer : (d) shows high degree of polymorphism in population and also the same degree of polymorphism in an individual, which is heritable from parents to children

The chemical forces that bind most coenzymes and substrates to enzymes such as LDH are (A) Hydrogen bonds (B) Peptide bonds (C) Coordinate bonds (D) Covalent bonds

Description : The chemical forces that bind most coenzymes and substrates to enzymes such as LDH are (A) Hydrogen bonds (B) Peptide bonds (C) Coordinate bonds (D) Covalent bonds

Last Answer : Answer : D

Stem and loop structures are A- proteins that help partially denatured enzymes to recover their native configuration B- structures in DNA caused by inverted repeats C- structures at the ends of linear eukaryotic DNA molecules D- the bonds between adjacent DNA nucleotides in the same strand

Description : Stem and loop structures are A- proteins that help partially denatured enzymes to recover their native configuration B- structures in DNA caused by inverted repeats C- structures at the ends of linear eukaryotic DNA molecules D- the bonds between adjacent DNA nucleotides in the same strand

Last Answer : structures in DNA caused by inverted repeats

When adding electric energy to water molecules can it cause the bonds between Hydrogen and oxygen to break?

Description : When adding electric energy to water molecules can it cause the bonds between Hydrogen and oxygen to break?

Last Answer : What is the answer ?

Which bonds are the last to break when an enzyme is heated 1 disulphide 2 hydrogen 3 hydrophobic interactions 4 ionic?

Description : Which bonds are the last to break when an enzyme is heated 1 disulphide 2 hydrogen 3 hydrophobic interactions 4 ionic?

Last Answer : ionic

During the process of isolation of DNA, chilled ethanol is added to (a) precipitate DNA (b) break open the cell to release DNA (c) facilitate action of restriction enzymes (d) remove proteins such as histones.

Description : During the process of isolation of DNA, chilled ethanol is added to (a) precipitate DNA (b) break open the cell to release DNA (c) facilitate action of restriction enzymes (d) remove proteins such as histones.

Last Answer : a) precipitate DNA

In DNA segment of six coils, 22 bp are linked by two hydrogen bonds. How many cytosine would be present ?

Description : In DNA segment of six coils, 22 bp are linked by two hydrogen bonds. How many cytosine would be present ?

Last Answer : In DNA segment of six coils, 22 bp are linked by two hydrogen bonds. How many cytosine would be present ? A. 22 B. 38 C. 44 D. 76

The number of hydrogen bonds between adenine and thymine in DNA is (A) One (B) Two (C) Three (D) Four

Description : The number of hydrogen bonds between adenine and thymine in DNA is (A) One (B) Two (C) Three (D) Four

Last Answer : Answer : B

In DNA, three hydrogen bonds are formed between (A) Adenine and guanine (B) Adenine and thymine (C) Guanine and cytosine (D) Thymine and cytosine

Description : In DNA, three hydrogen bonds are formed between (A) Adenine and guanine (B) Adenine and thymine (C) Guanine and cytosine (D) Thymine and cytosine

Last Answer : Answer : C

DNA rich in G-C pairs have (A) 1 Hydrogen bond (B) 2 Hydrogen bonds (C) 3 Hydrogen bonds (D) 4 Hydrogen bonds

Description : DNA rich in G-C pairs have (A) 1 Hydrogen bond (B) 2 Hydrogen bonds (C) 3 Hydrogen bonds (D) 4 Hydrogen bonds

Last Answer : Answer : C

DNA rich in A-T pairs have (A) 1 Hydrogen bond (B) 2 Hydrogen bonds (C) 3 Hydrogen bonds(D) 4 Hydrogen bonds

Description : DNA rich in A-T pairs have (A) 1 Hydrogen bond (B) 2 Hydrogen bonds (C) 3 Hydrogen bonds(D) 4 Hydrogen bonds

Last Answer : Answer : B

DNA nucleotides are attached by (a) Hydrogen bonds (b) Covalent bonds (c) VANDER Wall's force (d) Electrovalent bonds

Description : DNA nucleotides are attached by (a) Hydrogen bonds (b) Covalent bonds (c) VANDER Wall's force (d) Electrovalent bonds

Last Answer : Ans:(b)

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

Description : 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

Last Answer : Ans:(a)

The hydrophilic nature of DNA is due to the presence of - (1) thymine base (2) a number of hydrogen bonds (3) phosphate group (4) deoxyribose sugar

Description : The hydrophilic nature of DNA is due to the presence of - (1) thymine base (2) a number of hydrogen bonds (3) phosphate group (4) deoxyribose sugar

Last Answer : (2) a number of hydrogen bonds Explanation: The phosphate groups on DNA are ionic and charged. Each phosphate group on the DNA back-bone is one unit of negative charge (-1). Charged ... . DNA has two hydrophilic polar external backbones made of sugars and phosphate groups joined by ester bonds.

The number of hydrogen bonds between guanine and cytosine in DNA is – (1) 2 (2) 3 (3) 4 (4) 1

Description : The number of hydrogen bonds between guanine and cytosine in DNA is – (1) 2 (2) 3 (3) 4 (4) 1

Last Answer : (2) 3 Explanation: The chemistry of the nitrogenous bases is really the key to the function of DNA. It allows something called complementary base pairing. Cytosine can form three hydrogen bonds with guanine, and adenine can form two hydrogen bonds with thymine.

Sperm and egg nuclei fuse due to (a) base pairing of their DNA and RNA (b) formation of hydrogen bonds (c) mutual attraction due to differences in electrical charges (d) attraction of their protoplasts.

Description : Sperm and egg nuclei fuse due to (a) base pairing of their DNA and RNA (b) formation of hydrogen bonds (c) mutual attraction due to differences in electrical charges (d) attraction of their protoplasts.

Last Answer : attraction of their protoplasts

The double helical structure of DNA is held together by (a) sulfur-sulfur linkages (b) peptide bonding (c) hydrogen bonding (d) glycosidic bonds

Description : The double helical structure of DNA is held together by (a) sulfur-sulfur linkages (b) peptide bonding (c) hydrogen bonding (d) glycosidic bonds

Last Answer : hydrogen bonding

What is the weak bond holding the nucleic acids together in DNA? a. ionic bonds b. covalent bonds bonds c. polar bond d. hydrogen bond

Description : What is the weak bond holding the nucleic acids together in DNA? a. ionic bonds b. covalent bonds bonds c. polar bond d. hydrogen bond

Last Answer : d. hydrogen bond

The hydrophilic nature of DNA is due to the presence of : (1) thymine base (2) a number of hydrogen bonds (3) phosphate group (4) deoxyribose sugar

Description : The hydrophilic nature of DNA is due to the presence of : (1) thymine base (2) a number of hydrogen bonds (3) phosphate group (4) deoxyribose sugar

Last Answer : a number of hydrogen bonds

The number of hydrogen bonds between guanine and cytosine in DNA is (1) 2 (2) 3 (3) 4 (4) 1

Description : The number of hydrogen bonds between guanine and cytosine in DNA is (1) 2 (2) 3 (3) 4 (4) 1

Last Answer : 3

$ Enzymes are special types of proteins. ! Those substances which interfere with the action of enzymes are called inhibitors.

Description : $ Enzymes are special types of proteins. ! Those substances which interfere with the action of enzymes are called inhibitors.

Last Answer : $ Enzymes are special types of proteins. ! Those substances which interfere with the action of enzymes are ... wrong D. If both As and R are wrong.

$ Those enzymes which are active inside a cell are called extra-cellular enzymes. ! Enzymes lower the rate of biological activities.

Description : $ Those enzymes which are active inside a cell are called extra-cellular enzymes. ! Enzymes lower the rate of biological activities.

Last Answer : $ Those enzymes which are active inside a cell are called extra-cellular enzymes. ! Enzymes lower the rate ... wrong D. If both As and R are wrong.

What is DNA replication fork? -Biology

Description : What is DNA replication fork? -Biology

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Can there be DNA replication without cell division? -Biology

Description : Can there be DNA replication without cell division? -Biology

Last Answer : Yes, there can be DNA replication without involvement of cell division in a cell and one such condition existential is called as 'Polyteny'. Polyteny basically occurs because of failure of ... observed in Order Diptera of Class Insecta of Phylum Arthropoda (eg- Drosophila Salivary glands).

What are the three types of DNA replication? -Biology

Description : What are the three types of DNA replication? -Biology

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What is the origin of replication in DNA? -Biology

Description : What is the origin of replication in DNA? -Biology

Last Answer : answer:

When does replication of chromosomal DNA occur? -Biology

Description : When does replication of chromosomal DNA occur? -Biology

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What is the role of DNA polymerase in DNA replication? -Biology

Description : What is the role of DNA polymerase in DNA replication? -Biology

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Function of DNA polymerase during DNA replication. -Biology

Description : Function of DNA polymerase during DNA replication. -Biology

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What is the role of the DNA ligase in DNA replication?

Description : What is the role of the DNA ligase in DNA replication?

Last Answer : It joins Okazaki fragments

Which best describes a difference between transcription and DNA replication?

Description : Which best describes a difference between transcription and DNA replication?

Last Answer : The difference between transcription and DNA replication is that transcription uses uracil.

What is replication or DNA replication ?

Description : What is replication or DNA replication ?

Last Answer : The process by which two identical new DNA molecules are formed from one DNA molecule is called DNA replication. In this method , the hydrogen bonds between the two strands of the DNA molecule ... and separated, and each strand forms a new DNA molecule by creating its own complementary new strand.

Why is DNA replication called a semi-conservative method ?

Description : Why is DNA replication called a semi-conservative method ?

Last Answer : In the DNA replication method , the hydrogen bonds between the two DNA strands are broken off and each strand creates a new strand to complement it. Later an old formula and a new formula ... new DNA molecules are formed by the combination of an old maternal molecule and a newly created molecule.

Which one of the following correctly represents the manner of replication of DNA

Description : Which one of the following correctly represents the manner of replication of DNA

Last Answer : Which one of the following correctly represents the manner of replication of DNA A. B. C. D.

Assertion : Replication of DNA not occurs during interkinesis. Reason : Divison of chromosomes takes place during meiosis-II.

Description : Assertion : Replication of DNA not occurs during interkinesis. Reason : Divison of chromosomes takes place during meiosis-II.

Last Answer : Assertion : Replication of DNA not occurs during interkinesis. Reason : Divison of chromosomes takes place ... . If both Assertion & Reason are false.