What molecular structure is used to insert foreign DNA into a recipient bacterial cell that will replicate the foreign DNA -Biology

What molecular structure is used to insert foreign DNA into a recipient bacterial cell that will replicate the foreign DNA -Biology
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What molecular structure is used to insert foreign DNA into a recipient bacterial cell that will replicate the foreign DNA -Biology

Description : What molecular structure is used to insert foreign DNA into a recipient bacterial cell that will replicate the foreign DNA -Biology

Last Answer : answer:

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

A bacterial colony containing DNA made up of 100% N15 nitrogen bases is allowed to replicate in a medium containing N14 bases. After one round of replication the result would be a) All individuals will be identical to parents b) All individuals will be hybrids c) Only 50% individuals would be hybrids d) All individuals would have DNA made up of 100% N14

Description : A bacterial colony containing DNA made up of 100% N15 nitrogen bases is allowed to replicate in a medium containing N14 bases. After one round of replication the result would be a) All individuals ... Only 50% individuals would be hybrids d) All individuals would have DNA made up of 100% N14

Last Answer : b) All individuals will be hybrids

Production of a human protein in bacteria by genetic engineering is possible because (a) the human chromosome can replicate in bacterial cell (b) the mechanism of gene regulation is identical in humans and bacteria (c) bacterial cell can carry out the RNA splicing reactions (d) the genetic code is universal.

Description : Production of a human protein in bacteria by genetic engineering is possible because (a) the human chromosome can replicate in bacterial cell (b) the mechanism of gene regulation is identical in ... ) bacterial cell can carry out the RNA splicing reactions (d) the genetic code is universal.

Last Answer : (d) the genetic code is universal.

Without restriction endonucleases, it would be very difficult to a. Force Plasmids into Bacteria. b. Chemically Open Dna Molecules. c. Replicate Dna In A Recombinant Cell. d. Bring About Mutations In Bacteria.

Description : Without restriction endonucleases, it would be very difficult to a. Force Plasmids into Bacteria. b. Chemically Open Dna Molecules. c. Replicate Dna In A Recombinant Cell. d. Bring About Mutations In Bacteria.

Last Answer : b. Chemically Open Dna Molecules.

Plasmids a. Replicate with the bacterial chromosome. b. Contain essential growth information. c. May contain antibiotic resistance genes. d. Are as large as the bacterial chromosome.

Description : Plasmids a. Replicate with the bacterial chromosome. b. Contain essential growth information. c. May contain antibiotic resistance genes. d. Are as large as the bacterial chromosome.

Last Answer : c. May contain antibiotic resistance genes.

Identify the correct statement with regard to G1 phase (Gap 1) of interphase. (a) DNA synthesis or replication takes place. (b) Reorganisation of all cell components takes place. (c) Cell is metabolically active, grows but does not replicate its DNA. (d) Nuclear division takes place.

Description : Identify the correct statement with regard to G1 phase (Gap 1) of interphase. (a) DNA synthesis or replication takes place. (b) Reorganisation of all cell components takes place. (c) Cell is metabolically active, grows but does not replicate its DNA. (d) Nuclear division takes place.

Last Answer : (c) Cell is metabolically active, grows but does not

Viruses are no more “alive” than isolated chromosomes because (a) they require both RNA and DNA (b) they both need food molecules (c) they both require oxygen for respiration (d) both require the environment of a cell to replicate.

Description : Viruses are no more “alive” than isolated chromosomes because (a) they require both RNA and DNA (b) they both need food molecules (c) they both require oxygen for respiration (d) both require the environment of a cell to replicate.

Last Answer : (d) both require the environment of a cell to replicate.

If DNA of a cancer cell is introduced into a normal cell, the recipient cell (A) Destroys the DNA (B) Loses its ability to divide (C) Dies (D) Changes into a cancer cell

Description : If DNA of a cancer cell is introduced into a normal cell, the recipient cell (A) Destroys the DNA (B) Loses its ability to divide (C) Dies (D) Changes into a cancer cell

Last Answer : Answer : D

Transfer of genetic information from one bacterium to another in the transduction process is through (a) bacteriophages released from the donor bacterial strain (b) another bacterium having special organ for conjugation (c) physical contact between donor and recipient strains (d) conjugation between opposite strain bacterium.

Description : Transfer of genetic information from one bacterium to another in the transduction process is through (a) bacteriophages released from the donor bacterial strain (b) another bacterium ... physical contact between donor and recipient strains (d) conjugation between opposite strain bacterium.

Last Answer : (a) bacteriophages released from the donor bacterial strain

Transfer of genetic information from one bacterium to another in the transduction process is through (a) bacteriophages released from the donor bacterial strain (b) another bacterium having special organ for conjugation (c) physical contact between donor and recipient strains (d) conjugation between opposite strain bacterium.

Description : Transfer of genetic information from one bacterium to another in the transduction process is through (a) bacteriophages released from the donor bacterial strain (b) another bacterium ... physical contact between donor and recipient strains (d) conjugation between opposite strain bacterium.

Last Answer : (a) bacteriophages released from the donor bacterial strain

Restriction endonucleases (A) Cut RNA chains at specific locations (B) Excise introns from hnRNA (C) Remove Okazaki fragments (D) Act as defensive enzymes to protect the host bacterial DNA from DNA of foreign organisms

Description : Restriction endonucleases (A) Cut RNA chains at specific locations (B) Excise introns from hnRNA (C) Remove Okazaki fragments (D) Act as defensive enzymes to protect the host bacterial DNA from DNA of foreign organisms

Last Answer : Answer : D

What cause DNA to split and replicate?

Description : What cause DNA to split and replicate?

Last Answer : in the body, DNA is unzipped by an enzyme called DNA helicase, which requires energy to function, so really energy is put into the system to allow the DNA to split. If left alone at ... Reaction, or PCR, which is used in the lab to rapidly copy strands of DNA for various applications.

What is the significance of DNA being able to replicate itself?

Description : What is the significance of DNA being able to replicate itself?

Last Answer : What is the answer ?

The only molecule in the living world that can replicate itself is (a) DNA (b) RNA (c) Both DNA and RNA (d) Neither DNA nor RNA

Description : The only molecule in the living world that can replicate itself is (a) DNA (b) RNA (c) Both DNA and RNA (d) Neither DNA nor RNA

Last Answer : Ans:(a)

Some viruses have RNA but no DNA. This would indicate that – (1) these viruses cannot replicate (2) these viruses have no heritable information (3) RNA transmits the hereditary information in these viruses (4) their nucleic acids can be crystallised

Description : Some viruses have RNA but no DNA. This would indicate that – (1) these viruses cannot replicate (2) these viruses have no heritable information (3) RNA transmits the hereditary information in these viruses (4) their nucleic acids can be crystallised

Last Answer : (2) these viruses have no heritable information Explanation: DNA is an informational molecule encoding the genetic instructions Along with RNA and proteins, it is one of the three major macromolecules that are ... guanine, adenine, thymine, and cytosine) recorded using the letters G, A, T, and C.

Some viruses have RNA but no DNA. This would indicate that– (1) these viruses cannot replicate (2) these viruses have no heritable information (3) RNA transmits the hereditary information in these viruses (4) their nucleic acids can be crystallised

Description : Some viruses have RNA but no DNA. This would indicate that– (1) these viruses cannot replicate (2) these viruses have no heritable information (3) RNA transmits the hereditary information in these viruses (4) their nucleic acids can be crystallised

Last Answer : these viruses have no heritable information

The transfer of DNA from a donor cell to a recipient cells is called a. horizontal gene transfer b. vertical gene transfer c. lateral gene transfer d. medial gene transfer

Description : The transfer of DNA from a donor cell to a recipient cells is called a. horizontal gene transfer b. vertical gene transfer c. lateral gene transfer d. medial gene transfer

Last Answer : a. horizontal gene transfer

Transformation refers to a. Using A Virus To Transfer DNA Fragments. b. DNA Fragments Transferred Between Live Donor And Recipient Cells. c. The Formation of an F- Recombinant Cell. d. The Transfer of Naked Fragments of DNA

Description : Transformation refers to a. Using A Virus To Transfer DNA Fragments. b. DNA Fragments Transferred Between Live Donor And Recipient Cells. c. The Formation of an F- Recombinant Cell. d. The Transfer of Naked Fragments of DNA

Last Answer : b. DNA Fragments Transferred Between Live Donor And Recipient Cells.

What would happen if you were to insert a red hot loop for picking the bacterial culture?

Description : What would happen if you were to insert a red hot loop for picking the bacterial culture?

Last Answer : Thriller

In what year was the molecular structure of DNA discovered ?

Description : In what year was the molecular structure of DNA discovered ?

Last Answer : DNA molecules in 1953

The Hyderabad based Centre for Cellular and Molecular Biology (CCMB) and Indian Institute of Rice Research (IIRR) has developed Improved Samba Masuri (ISM) variety rice with which feature? a. Low Glycemic Index (GI) b. Bacterial Resistance c. High Cholesterol d. Both a and c

Description : The Hyderabad based Centre for Cellular and Molecular Biology (CCMB) and Indian Institute of Rice Research (IIRR) has developed Improved Samba Masuri (ISM) variety rice with which feature? a. Low Glycemic Index (GI) b. Bacterial Resistance c. High Cholesterol d. Both a and c

Last Answer : d. Both a and c

Explain the structure of the cyano bacterial cell -Biology

Description : Explain the structure of the cyano bacterial cell -Biology

Last Answer : answer:

Explain the structure of the cyano bacterial cell -Biology

Description : Explain the structure of the cyano bacterial cell -Biology

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When a virus enters a cell but does not replicate immediately, the situation is Called A.lysogeny B.fermentation C.symbiosis D.synergism

Description : When a virus enters a cell but does not replicate immediately, the situation is Called A.lysogeny B.fermentation C.symbiosis D.synergism

Last Answer : A.lysogeny

When a virus enters a cell but does not replicate immediately, the situation is Called A.lysogeny B.fermentation C.symbiosis D.synergism

Description : When a virus enters a cell but does not replicate immediately, the situation is Called A.lysogeny B.fermentation C.symbiosis D.synergism

Last Answer : A.lysogeny

Which one is a true statement regarding DNA polymerase used in PCR? (a) It is used to ligate introduced DNA in recipient cells. (b) It serves as a selectable marker. (c) It is isolated from a virus. (d) It remains active at high temperature.

Description : Which one is a true statement regarding DNA polymerase used in PCR? (a) It is used to ligate introduced DNA in recipient cells. (b) It serves as a selectable marker. (c) It is isolated from a virus. (d) It remains active at high temperature.

Last Answer : (d) It remains active at high temperature.

Which one is a true statement regarding DNA polymerase used in PCR ? (1) It remains active at hight temperature (2) It is used to ligate introduced DNA in recipient cells (3) It serves as a selectable marker (4) It is isolated from a virus

Description : Which one is a true statement regarding DNA polymerase used in PCR ? (1) It remains active at hight temperature (2) It is used to ligate introduced DNA in recipient cells (3) It serves as a selectable marker (4) It is isolated from a virus

Last Answer : (2) It is used to ligate introduced DNA in recipient cells

$ 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 most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes and inhibit bacterial protein synthesis (c) They bind to 50S ribosomes and interfere with translocation of the growing peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria

Description : The most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes ... peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria

Last Answer : Ans: B

Which statement is correct for bacterial transduction? (a) Transfer of some genes from one bacteria to another bacteria through virus. (b) Transfer of genes from one bacteria to another bacteria by conjugation. (c) Bacteria obtained its DNA directly from mother cell. (d) Bacteria obtained DNA from other external source.

Description : Which statement is correct for bacterial transduction? (a) Transfer of some genes from one bacteria to another bacteria through virus. (b) Transfer of genes from one bacteria to another bacteria ... its DNA directly from mother cell. (d) Bacteria obtained DNA from other external source.

Last Answer : (a) Transfer of some genes from one bacteria to another bacteria through virus.

Which statement is correct for bacterial transduction? (a) Transfer of some genes from one bacteria to another bacteria through virus. (b) Transfer of genes from one bacteria to another bacteria by conjugation. (c) Bacteria obtained its DNA directly from mother cell. (d) Bacteria obtained DNA from other external source.

Description : Which statement is correct for bacterial transduction? (a) Transfer of some genes from one bacteria to another bacteria through virus. (b) Transfer of genes from one bacteria to another bacteria ... its DNA directly from mother cell. (d) Bacteria obtained DNA from other external source.

Last Answer : (a) Transfer of some genes from one bacteria to another bacteria through virus

The sulfonamides interfere with bacterial metabolism by a. blocking cell wall synthesis. b. disrupting folic acid metabolism. c. reacting with bacterial cell membranes. d. inhibiting DNA replication.

Description : The sulfonamides interfere with bacterial metabolism by a. blocking cell wall synthesis. b. disrupting folic acid metabolism. c. reacting with bacterial cell membranes. d. inhibiting DNA replication.

Last Answer : b. disrupting folic acid metabolism.

Vancomycin inhibits _____________ synthesis. a. protein b. DNA c. bacterial cell wall d. RNA

Description : Vancomycin inhibits _____________ synthesis. a. protein b. DNA c. bacterial cell wall d. RNA

Last Answer : c. bacterial cell wall

Competence refers to a bacterial cell's ability to a. Take Up DNA Fragments From The Environment. b. Be Infected By A Transducing Phage. c. Produce A Protein Product From An Engineered Gene. d. Undergo Conjugation With An F+ Cell.

Description : Competence refers to a bacterial cell's ability to a. Take Up DNA Fragments From The Environment. b. Be Infected By A Transducing Phage. c. Produce A Protein Product From An Engineered Gene. d. Undergo Conjugation With An F+ Cell.

Last Answer : a. Take Up DNA Fragments From The Environment.

A bacterial cell that is transformed _____. a. Cannot Form A Conjugation Pilus. b. Has Undergone A Frameshift Mutation. c. Has Acquired Dna From The Environment. d. Will Probably Die Within 24 Hours.

Description : A bacterial cell that is transformed _____. a. Cannot Form A Conjugation Pilus. b. Has Undergone A Frameshift Mutation. c. Has Acquired Dna From The Environment. d. Will Probably Die Within 24 Hours.

Last Answer : c. Has Acquired Dna From The Environment.

What is term used for a bacterial cell that is able to take up naked DNA? A- Complementary B- Liable C- Competent D- Infected

Description : What is term used for a bacterial cell that is able to take up naked DNA? A- Complementary B- Liable C- Competent D- Infected

Last Answer : Competent

The most important mechanism by which tetracycline antibiotics exert antimicrobial action is: A. They chelate Ca2+ ions and alter permeability of bacterial cell membrane B. They bind to 30S ribosomes and inhibit bacterial protein synthesis C. They bind to 50S ribosomes and interfere with translocation of the growing peptide chain in the bacteria D. They interfere with DNA mediated RNA synthesis in bacteria

Description : The most important mechanism by which tetracycline antibiotics exert antimicrobial action is: A. They chelate Ca2+ ions and alter permeability of bacterial cell membrane B. They bind to 30S ribosomes ... peptide chain in the bacteria D. They interfere with DNA mediated RNA synthesis in bacteria

Last Answer : B. They bind to 30S ribosomes and inhibit bacterial protein synthesis

Which of the following would you NOT find in a bacterial cell (A) DNA (B) Cell membrane (C) Golgi apparatus (D) Ribosomes

Description : Which of the following would you NOT find in a bacterial cell (A) DNA (B) Cell membrane (C) Golgi apparatus (D) Ribosomes

Last Answer : (C) Golgi apparatus

The bacterium Deinococcus radiodurans has been of interest to molecular biologists because a. it has the smallest known bacterial genome. b. it is a "living fossil" linking the Bacteria and Archaea. c. it has the largest known bacterial genome. d. it is very resistant to radiation damage.

Description : The bacterium Deinococcus radiodurans has been of interest to molecular biologists because a. it has the smallest known bacterial genome. b. it is a "living fossil" linking the Bacteria and Archaea. c. it has the largest known bacterial genome. d. it is very resistant to radiation damage.

Last Answer : d. it is very resistant to radiation damage.

What is the relationship between the observed gram reaction and bacterial cell wall structure?

Description : What is the relationship between the observed gram reaction and bacterial cell wall structure?

Last Answer : Feel Free to Answer

What is the bacterial structure that acts as a selective barrier allowing nutrients to enter the cell and wastes to leave the cell.?

Description : What is the bacterial structure that acts as a selective barrier allowing nutrients to enter the cell and wastes to leave the cell.?

Last Answer : plaama membrane

What is the bacterial structure that acts as a selective barrier allowing nutrients to enter the cell and wastes to leave the cell.?

Description : What is the bacterial structure that acts as a selective barrier allowing nutrients to enter the cell and wastes to leave the cell.?

Last Answer : plaama membrane

Which one of the following is NOT true of exotoxins? a. They are proteins. b. They are part of cell wall structure. c. They are released from live bacterial cells. d. They trigger antibody production.

Description : Which one of the following is NOT true of exotoxins? a. They are proteins. b. They are part of cell wall structure. c. They are released from live bacterial cells. d. They trigger antibody production.

Last Answer : d. They trigger antibody production.

Assetion: Insertion of recombinant DNA within the coding sequence of `beta-`galactosidase result n colourless colonies. Reason : Presence of insert re

Description : Assetion: Insertion of recombinant DNA within the coding sequence of `beta-`galactosidase result n colourless colonies. Reason : Presence of insert re

Last Answer : Assetion: Insertion of recombinant DNA within the coding sequence of `beta-`galactosidase result n ... D. If both assertion and reason are false

Transgenic plants are the ones (a) generated by introducing foreign DNA into a cell and regenerating a plant from that cell (b) produced after protoplast fusion in artificial medium(c) grown in artificial medium after hybridization in the field (d) produced by a somatic embryo in artificial medium.

Description : Transgenic plants are the ones (a) generated by introducing foreign DNA into a cell and regenerating a plant from that cell (b) produced after protoplast fusion in artificial medium (c) grown in ... medium after hybridization in the field (d) produced by a somatic embryo in artificial medium.

Last Answer : (a) generated by introducing foreign DNA into a

A female patient 18 years old, who is contact lens wearer since two years, is complaining of redness, lacrimation and foreign body sensation of both eyes. On examination, visual acuity was 6/6 with negative fluorescein test. The expected diagnosis can be: a. Acute anterior uveitis. b. Giant papillary conjunctivitis. c. Bacterial corneal ulcer. d. Acute congestive glaucoma

Description : A female patient 18 years old, who is contact lens wearer since two years, is complaining of redness, lacrimation and foreign body sensation of both eyes. On examination, visual acuity ... uveitis. b. Giant papillary conjunctivitis. c. Bacterial corneal ulcer. d. Acute congestive glaucoma  

Last Answer : ANSWER: B 

What are some restaurant foods that you can replicate for cheap?

Description : What are some restaurant foods that you can replicate for cheap?

Last Answer : Additional items: Eggs. Cheap at home expensive at the restaurant. All drinks. Like water, milk and pop. Toast, and pbandj sandwiches.

Have you ever tried to replicate a recipe photograph?

Description : Have you ever tried to replicate a recipe photograph?

Last Answer : Not really my kind of thing. I’d rather just cook it and eat it.

Is it possible to replicate the birthing process without it taking place within the female? Would this be possible in the future?

Description : Is it possible to replicate the birthing process without it taking place within the female? Would this be possible in the future?

Last Answer : If you mean incubating human babies, anything is possible, I guess. It sounds like less fun, however, than the present method.