After 4 PCR cycles how many DNA molecules are formed from one DNA template molecule ?

After 4 PCR cycles how many DNA molecules are formed from one DNA template molecule ?
by

1 Answer

Answer :

After 4 PCR cycles how many DNA molecules are formed from one DNA template molecule ? A. 4 B. 32 C. 16 D. 8
by
selected by

Related questions

How many molecules of DNA would result from the molecule after five cycles of PCR?

Description : How many molecules of DNA would result from the molecule after five cycles of PCR?

Last Answer : The number of double stranded DNA pieces is doubled in each cycle, so that after n cycles you have 2^n (2 to the n:th power) copies of DNA. For example, after 10 cycles you have 1024 copies, after 20 cycles you have about one million copies, etc.

Twenty cycles of PCR can amplify DNA: (A) 220 fold (B) 202 fold (C) 20 x 2 fold (D) 20 fold

Description : Twenty cycles of PCR can amplify DNA: (A) 220 fold (B) 202 fold (C) 20 x 2 fold (D) 20 fold

Last Answer : Answer : A

After termination of the synthesis of RNA molecule, the core enzymes separate from the DNA template. The core enzymes then recognize a promoter at which the synthesis of a new RNA molecule commences, with the assistance of (A) Rho (ρ) factor (B) δ factor (C) β factor (D) σ factor

Description : After termination of the synthesis of RNA molecule, the core enzymes separate from the DNA template. The core enzymes then recognize a promoter at which the synthesis of a new RNA molecule commences, with the assistance of (A) Rho (ρ) factor (B) δ factor (C) β factor (D) σ factor

Last Answer : Answer : D

Termination of the synthesis of the RNA molecule is signaled by a sequence in the template strand of the DNA molecule, a signal that is recognized by a termination protein, the (A) Rho (ρ) factor (B) σ factor (C) δ factor (D) ε factor

Description : Termination of the synthesis of the RNA molecule is signaled by a sequence in the template strand of the DNA molecule, a signal that is recognized by a termination protein, the (A) Rho (ρ) factor (B) σ factor (C) δ factor (D) ε factor

Last Answer : Answer : A

The DNA molecule to which the gene of interest is integrated for cloning is called (a) template (b) carrier (c) transformer (d) vector.

Description : The DNA molecule to which the gene of interest is integrated for cloning is called (a) template (b) carrier (c) transformer (d) vector.

Last Answer : (d) vector.

What are the smaller repeating molecules that make up a DNA or RNA molecule called?

Description : What are the smaller repeating molecules that make up a DNA or RNA molecule called?

Last Answer : Need answer

Every DNA molecule is made up of molecules called?

Description : Every DNA molecule is made up of molecules called?

Last Answer : dk

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

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

Last Answer : b. The DNA Molecule.

DNA po lymerase of T. aquat icus is preferred to that of E. coli in PCR because (A) It replicates DNA more efficiently (B) It doesn’t require primers (C) It is not denatured at the melting temperature of DNA (D) It doesn’t cause errors in replication

Description : DNA po lymerase of T. aquat icus is preferred to that of E. coli in PCR because (A) It replicates DNA more efficiently (B) It doesn’t require primers (C) It is not denatured at the melting temperature of DNA (D) It doesn’t cause errors in replication

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

Following is the most sensitive test to detect the DNA. C A. ELISA B. Magnetic Resonance Imaging C. PCR D. CT Scanning

Description : Following is the most sensitive test to detect the DNA. C A. ELISA B. Magnetic Resonance Imaging C. PCR D. CT Scanning

Last Answer : PCR

The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents? A. B. C ds DNA 3 5 5 3 5 3 5 3 5 3 5 3 5 5 3 3 5 3 5 3 Region to be amplified . (a) B - denaturation at a temperature of about 98°C separating the two DNA strands (b) A - denaturation at a temperature of about 50°C (c) C - extension in the presence of heat stable DNA polymerase (d) A - annealing with two sets of primers

Description : The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents? A. B. C ds DNA 3 5 5 3 ... - extension in the presence of heat stable DNA polymerase (d) A - annealing with two sets of primers

Last Answer : (c) C - extension in the presence of heat stable DNA polymerase

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.

PCR and restriction fragment length polymorphism are the methods for(a) study of enzymes (b) genetic transformation (c) DNA sequencing (d) genetic fingerprinting.

Description : PCR and restriction fragment length polymorphism are the methods for (a) study of enzymes (b) genetic transformation (c) DNA sequencing (d) genetic fingerprinting.

Last Answer : (d) genetic fingerprinting.

An analysis of chromosomal DNA using the Southern hybridization technique does not use (a) electrophoresis (b) blotting (c) autoradiography (d) PCR.

Description : An analysis of chromosomal DNA using the Southern hybridization technique does not use (a) electrophoresis (b) blotting (c) autoradiography (d) PCR.

Last Answer : (d) PCR.

A new field of _________ has arisen from sequencing, analyzing and comparing microbial genomes. a. PCR b. DNA probes c. microbial genomics d. microarrays

Description : A new field of _________ has arisen from sequencing, analyzing and comparing microbial genomes. a. PCR b. DNA probes c. microbial genomics d. microarrays

Last Answer : c. microbial genomics

A DNA probe and PCR are being used to identify _____. a. HIV infection b. HPV in PAP smears c. coli in water quality tests d. A-C are correct

Description : A DNA probe and PCR are being used to identify _____. a. HIV infection b. HPV in PAP smears c. coli in water quality tests d. A-C are correct

Last Answer : d. A-C are correct

The DNA polymerase enzyme used in PCR is obtained from

Description : 8. The DNA polymerase enzyme used in PCR is obtained from (a) Thermus aquaticus (b) Escherichia coli (c) Agrobacterium tumefaciens (d) Salmonella typhimurium.

Last Answer : (a) Thermus aquaticus

The DNA polymerase enzyme used in PCR is obtained from

Description : 6. The DNA polymerase enzyme used in PCR is obtained from (a) Thermusaquaticus (b) Escherichia coli (c) Agrobacterium tumefaciens (d) Salmonella typhimurium

Last Answer : (c) Agrobacterium tumefaciens

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

Which of the following statement is false (a). Enzymes are differentiated by electrophoresis method (b). While DNA sequencing both forward and reverse primers are used (c). Amplification is done through PCR (d). ABO blood grouping is mainly used for differentiating individuals

Description : Which of the following statement is false (a). Enzymes are differentiated by electrophoresis method (b). While DNA sequencing both forward and reverse primers are used (c). Amplification is done through PCR (d). ABO blood grouping is mainly used for differentiating individuals

Last Answer : Ans: (b). While DNA sequencing both forward and reverse primers are used 

What will be the number of Calvin cycles to generate one molecule of hexose? (a) 8 (b) 9 (c) 4 (d) 6

Description : What will be the number of Calvin cycles to generate one molecule of hexose? (a) 8 (b) 9 (c) 4 (d) 6

Last Answer : (d) 6

What is a long molecule formed from numerous smaller molecules?

Description : What is a long molecule formed from numerous smaller molecules?

Last Answer : Need answer

Two molecules of vitamin A can be formed from 1 molecule of (A) α-Carotene (B) β-Carotene (C) γ-Carotene (D) All of these

Description : Two molecules of vitamin A can be formed from 1 molecule of (A) α-Carotene (B) β-Carotene (C) γ-Carotene (D) All of these

Last Answer : Answer : B

Out of 36 ATP molecules produced per glucose molecule during respiration (a) 2 are produced outside glycolysis and 34 during respiratory chain (b) 2 are produced outside mitochondria and 34 inside mitochondria (c) 2 during glycolysis and 34 during Krebs’ cycle (d) all are formed inside mitochondria

Description : Out of 36 ATP molecules produced per glucose molecule during respiration (a) 2 are produced outside glycolysis and 34 during respiratory chain (b) 2 are produced outside mitochondria and 34 inside ... (c) 2 during glycolysis and 34 during Krebs' cycle (d) all are formed inside mitochondria

Last Answer : (b) 2 are produced outside mitochondria and 34 inside mitochondria

When radiation breaks an electron pair bond in a molecule and each fragment of the molecule gets one of the bond electrons, the molecular fragments that are formed are called: w) ions x) free radicals y) stable molecules z) gases

Description : When radiation breaks an electron pair bond in a molecule and each fragment of the molecule gets one of the bond electrons, the molecular fragments that are formed are called: w) ions x) free radicals y) stable molecules z) gases

Last Answer : ANSWER: X -- FREE RADICALS

Which of the following molecules or ions is NOT formed when K metal reacts with liquid CH3OH? Is it: w) potassium ion x) hydrogen ion y) methoxy ion z) hydrogen molecule

Description : Which of the following molecules or ions is NOT formed when K metal reacts with liquid CH3OH? Is it: w) potassium ion x) hydrogen ion y) methoxy ion z) hydrogen molecule

Last Answer : ANSWER: X -- HYDROGEN ION

Sequence of AAT GCT TAG GCA on template segment of DNA will be represented over the transcribed mRNA as

Description : Sequence of AAT GCT TAG GCA on template segment of DNA will be represented over the transcribed mRNA as

Last Answer : Sequence of AAT GCT TAG GCA on template segment of DNA will be represented over the transcribed mRNA as A. ... C. UUA CGA AUC CGU D. TTA CGA ATC CGT

What is the name given to the process in which a strand of DNA is used as a template for the manufacture of a strand of pre mRNA?

Description : What is the name given to the process in which a strand of DNA is used as a template for the manufacture of a strand of pre mRNA?

Last Answer : transcription

What strand of DNA would be produced from from the template strand of DNA shown below AAC CT?

Description : What strand of DNA would be produced from from the template strand of DNA shown below AAC CT?

Last Answer : Ttg ga

Template-directed DNA synthesis occurs in all the following except (A) The replication fork (B) Polymerase chain reaction (C) Growth of RNA tumor viruses (D) Expression of oncogenes

Description : Template-directed DNA synthesis occurs in all the following except (A) The replication fork (B) Polymerase chain reaction (C) Growth of RNA tumor viruses (D) Expression of oncogenes

Last Answer : Answer : C

Template-directed DNA synthesis occurs in all the following except (A) The replication fork (B) Polymerase chain reaction (C) Growth of RNA tumor viruses (D) Expression of oneogenes

Description : Template-directed DNA synthesis occurs in all the following except (A) The replication fork (B) Polymerase chain reaction (C) Growth of RNA tumor viruses (D) Expression of oneogenes

Last Answer : Answer : C

RNA synthesis requires (A) RNA primer (B) RNA template (C) DNA template (D) DNA primer

Description : RNA synthesis requires (A) RNA primer (B) RNA template (C) DNA template (D) DNA primer

Last Answer : Answer : C

In addition to Taq polymerase, polymerase chain reaction requires all of the following except (A) A template DNA (B) Deoxyribonucleoside triphosphates (C) Primers (D) Primase

Description : In addition to Taq polymerase, polymerase chain reaction requires all of the following except (A) A template DNA (B) Deoxyribonucleoside triphosphates (C) Primers (D) Primase

Last Answer : Answer : D

For production of eukaryotic protein by recombinant DNA technology in bacteria, the template used is (A) Eukaryotic gene (B) hnRNA (C) mRNA (D) All of these

Description : For production of eukaryotic protein by recombinant DNA technology in bacteria, the template used is (A) Eukaryotic gene (B) hnRNA (C) mRNA (D) All of these

Last Answer : Answer : C

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

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

Last Answer : Answer : C

All of the following statements about RNA-dependent DNA polymerase are true except: (A) It synthesizes DNA using RNA as a template (B) It is also known as reverse transcriptase (C) It synthesizes DNA in 5’→3’ direction (D) It is present in all the viruses

Description : All of the following statements about RNA-dependent DNA polymerase are true except: (A) It synthesizes DNA using RNA as a template (B) It is also known as reverse transcriptase (C) It synthesizes DNA in 5’→3’ direction (D) It is present in all the viruses

Last Answer : Answer : D

During replication, the template DNA is unwound (A) At one of the ends (B) At both the ends (C) At multiple sites (D) Nowhere

Description : During replication, the template DNA is unwound (A) At one of the ends (B) At both the ends (C) At multiple sites (D) Nowhere

Last Answer : Answer : C

Codons are present in (A) Template strand of DNA (B) mRNA (C) tRNA (D) rRNA

Description : Codons are present in (A) Template strand of DNA (B) mRNA (C) tRNA (D) rRNA

Last Answer : Answer : B

In the following partial sequence of mRNA, a mutation of the template DNA results in a change in codon 91 to UAA. The type of mutation is 88 89 90 91 92 93 94 GUC GAC CAG UAG GGC UAA CCG (A) Missene (B) Silent (C) Nonsense (D) Frame shit

Description : In the following partial sequence of mRNA, a mutation of the template DNA results in a change in codon 91 to UAA. The type of mutation is 88 89 90 91 92 93 94 GUC GAC CAG UAG GGC UAA CCG (A) Missene (B) Silent (C) Nonsense (D) Frame shit

Last Answer : Answer : B

mRNA is synthesised on DNA template in which direction? (a) 5′ → 3′ (b) 3′ → 5′ (c) Both (a) and (b) (d) Any

Description : mRNA is synthesised on DNA template in which direction? (a) 5′ → 3′ (b) 3′ → 5′ (c) Both (a) and (b) (d) Any

Last Answer : a) 5′ → 3′

Select the correct option. Direction of Direction of reading of RNA synthesis the template DNA strand (a) 5′ – 3′ 3′ – 5′ (b) 3′ – 5′ 5′ – 3′ (c) 5′ – 3′ 5′ – 3′ (d) 3′ – 5′ 3′ – 5′

Description : Select the correct option. Direction of Direction of reading of RNA synthesis the template DNA strand (a) 5′ – 3′ 3′ – 5′ (b) 3′ – 5′ 5′ – 3′ (c) 5′ – 3′ 5′ – 3′ (d) 3′ – 5′ 3′ – 5′

Last Answer : (d) 3′ – 5′ 3′ – 5′

DNA-dependent RNA polymerase catalyses transcription on one strand of the DNA which is called the (a) template strand (b) coding strand (c) alpha strand (d) antistrand

Description : DNA-dependent RNA polymerase catalyses transcription on one strand of the DNA which is called the (a) template strand (b) coding strand (c) alpha strand (d) antistrand

Last Answer : (a) template strand

mRNA is synthesised on DNA template in which direction? (a) 5′ → 3′ (b) 3′ → 5′ (c) Both (a) and (b) (d) Any

Description : mRNA is synthesised on DNA template in which direction? (a) 5′ → 3′ (b) 3′ → 5′ (c) Both (a) and (b) (d) Any

Last Answer : (a) 5′ → 3′

Select the correct option. Direction of Direction of reading of RNA synthesis the template DNA strand (a) 5′ – 3′ 3′ – 5′ (b) 3′ – 5′ 5′ – 3′ (c) 5′ – 3′ 5′ – 3′ (d) 3′ – 5′ 3′ – 5′

Description : Select the correct option. Direction of Direction of reading of RNA synthesis the template DNA strand (a) 5′ – 3′ 3′ – 5′ (b) 3′ – 5′ 5′ – 3′ (c) 5′ – 3′ 5′ – 3′ (d) 3′ – 5′ 3′ – 5′

Last Answer : (a) 5′ – 3′ 3′ – 5′

DNA-dependent RNA polymerase catalyses transcription on one strand of the DNA which is called the (a) template strand (b) coding strand (c) alpha strand (d) antistrand.

Description : DNA-dependent RNA polymerase catalyses transcription on one strand of the DNA which is called the (a) template strand (b) coding strand (c) alpha strand (d) antistrand.

Last Answer : (a) template strand

Which one of the following makes use of RNA template to synthesise DNA? (a) DNA polymerase (b) RNA polymerase (c) Reverse transcriptase (d) DNA dependant RNA polymerase

Description : Which one of the following makes use of RNA template to synthesise DNA? (a) DNA polymerase (b) RNA polymerase (c) Reverse transcriptase (d) DNA dependant RNA polymerase

Last Answer : c) Reverse transcriptase

The enzyme adds complementary bases to the DNA template strand during replication. a. Ligase b. Helicase c. DNA polymerase III d. RNA polymerase

Description : The enzyme adds complementary bases to the DNA template strand during replication. a. Ligase b. Helicase c. DNA polymerase III d. RNA polymerase

Last Answer : d. RNA polymerase

Which of the following act as the blueprint or template for the process of protein synthesis that takes place on ribosomes? A.rRNA B.DNA C.tRNA D.mRNA

Description : Which of the following act as the blueprint or template for the process of protein synthesis that takes place on ribosomes? A.rRNA B.DNA C.tRNA D.mRNA

Last Answer : mRNA

In some viruses DNA is synthesized by using RNA as a template. Such a DNA is called............

Description : 9 In some viruses DNA is synthesized by using RNA as a template. Such a DNA is called............ a. r-DNA b. C-DNA c. B- DNA d. A- DNA

Last Answer : Ans. b C-DNA