DNA elements, which can switch their position, are called (a) cistrons (b) transposons (c) exons (d) introns.

DNA elements, which can switch their position, are
called
(a) cistrons (b) transposons
(c) exons (d) introns.
by

1 Answer

Answer :

(b) transposons
by

Related questions

DNA elements, which can switch their position, are called (a) cistrons (b) transposons (c) exons (d) introns.

Description : DNA elements, which can switch their position, are called (a) cistrons (b) transposons (c) exons (d) introns.

Last Answer : (b) transposons

In split genes, the coding sequences are called (a) exons (b) cistrons (c) introns (d) operons

Description : In split genes, the coding sequences are called (a) exons (b) cistrons (c) introns (d) operons

Last Answer : (d) operons.

In split genes, the coding sequences are called (a) exons (b) cistrons (c) introns (d) operons.

Description : In split genes, the coding sequences are called (a) exons (b) cistrons (c) introns (d) operons.

Last Answer : (a) exons

The coding sequences found in split genes are called a) Operons b) introns c) exons d) cistrons

Description : The coding sequences found in split genes are called a) Operons b) introns c) exons d) cistrons

Last Answer : c) exons

Non-coding sequences in a gene are known as (A) Cistrons (B) Nonsense codons (C) Introns (D) Exons

Description : Non-coding sequences in a gene are known as (A) Cistrons (B) Nonsense codons (C) Introns (D) Exons

Last Answer : Answer : C

True statements about the nucleic acid include: a. contains purine and pyrimidine which are bound together by covalent bonds b. there is always an equal concentration of purine and pyrimidine c. in RNA, thymine is replaced by uracil d. introns is more common than exons on the DNA e. the histones mark the excision site

Description : True statements about the nucleic acid include: a. contains purine and pyrimidine which are bound together by covalent bonds b. there is always an equal concentration of purine and pyrimidine c. in RNA, ... d. introns is more common than exons on the DNA e. the histones mark the excision site

Last Answer : there is always an equal concentration of purine and pyrimidine

Removal of introns and joining of exons in a defined order during transcription is called (a) looping (b) inducing (c) slicing (d) splicing

Description : Removal of introns and joining of exons in a defined order during transcription is called (a) looping (b) inducing (c) slicing (d) splicing

Last Answer : (a) looping

Removal of introns and joining of exons in a defined order during transcription is called (a) looping (b) inducing (c) slicing (d) splicing

Description : Removal of introns and joining of exons in a defined order during transcription is called (a) looping (b) inducing (c) slicing (d) splicing

Last Answer : d) splicing.

In a eukaryotic microbe, those sections of a primary RNA transcript that will NOT be translated are called a. Introns. b. Anticodons. c. ―Jumping Genes.‖ d. Exons.

Description : In a eukaryotic microbe, those sections of a primary RNA transcript that will NOT be translated are called a. Introns. b. Anticodons. c. ―Jumping Genes.‖ d. Exons.

Last Answer : a. Introns.

mRNA of prokaryotes can code for (A) More than one polypeptide (B) Only one polypeptide (C) Many exons and introns (D) Introns only

Description : mRNA of prokaryotes can code for (A) More than one polypeptide (B) Only one polypeptide (C) Many exons and introns (D) Introns only

Last Answer : Answer : A

Bacterial genes lack (a) Exons (b) Introns (c) Prometers (d) Operator

Description : Bacterial genes lack (a) Exons (b) Introns (c) Prometers (d) Operator

Last Answer : (b) Introns

Ribosomes match up the ______ of the mRNA and the ______ of the tRNAs. a. codons; anticodons b. introns; exons c. anticodons; codons d. genes; anticodons

Description : Ribosomes match up the ______ of the mRNA and the ______ of the tRNAs. a. codons; anticodons b. introns; exons c. anticodons; codons d. genes; anticodons

Last Answer : a. codons; anticodons

Besides structural genes that encode proteins, DNA contains some regulatory sequences which are known as (A) Operons (B) Cistrons (C) Cis-acting elements (D) Trans-acting factors

Description : Besides structural genes that encode proteins, DNA contains some regulatory sequences which are known as (A) Operons (B) Cistrons (C) Cis-acting elements (D) Trans-acting factors

Last Answer : Answer : C

Difference between retrotransposons and DNA transposons. -Biology

Description : Difference between retrotransposons and DNA transposons. -Biology

Last Answer : answer:

Transposable genetic elements (transposons) a. Were First Discovered By Watson And Crick. b. Are Smaller Than Insertion Sequences. c. Are Examples Of Plasmids. d. May Have Information For Antibiotic Resistance.

Description : Transposable genetic elements (transposons) a. Were First Discovered By Watson And Crick. b. Are Smaller Than Insertion Sequences. c. Are Examples Of Plasmids. d. May Have Information For Antibiotic Resistance.

Last Answer : d. May Have Information For Antibiotic Resistance.

When composite transposons are formed A- a small deletion occurs in the transposase gene of an IS element B- a small deletion occurs in the transposase gene of an IS element and plasmid is integrated C- an IS element integrates with another IS element with the help of a plasmid D- two IS elements integrate into a chromosome with only a small distance separating them

Description : When composite transposons are formed A- a small deletion occurs in the transposase gene of an IS element B- a small deletion occurs in the transposase gene of an IS element and plasmid is ... a plasmid D- two IS elements integrate into a chromosome with only a small distance separating them

Last Answer : two IS elements integrate into a chromosome with only a small distance separating them

The normal function of restriction endonucleases is to (A) Excise introns from hrRNA (B) Polymerize nucleotides to form RNA (C) Remove primer from okazaki fragments (D) Protect bacteria from foreign DNA

Description : The normal function of restriction endonucleases is to (A) Excise introns from hrRNA (B) Polymerize nucleotides to form RNA (C) Remove primer from okazaki fragments (D) Protect bacteria from foreign DNA

Last Answer : Answer : D

DNA finger printing is based on the presence in DNA of (A) Constant number of tandem repeats (B) Varibale number of tandem repeats (C) Non-repititive sequences in each DNA (D) Introns in eukaryotic DNA

Description : DNA finger printing is based on the presence in DNA of (A) Constant number of tandem repeats (B) Varibale number of tandem repeats (C) Non-repititive sequences in each DNA (D) Introns in eukaryotic DNA

Last Answer : Answer : B

Introns are present in DNA of (A) Viruses (B) Bacteria (C) Man (D) All of these

Description : Introns are present in DNA of (A) Viruses (B) Bacteria (C) Man (D) All of these

Last Answer : Answer : C

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

In the regulation of genes: a. more than 90% of the base sequences in human DNA have not known function b. extrons are the part of the gene that code for amino acids found in the final proteins. c. introns usually begins with the nucleotide sequence GT d. all above

Description : In the regulation of genes: a. more than 90% of the base sequences in human DNA have not known function b. extrons are the part of the gene that code for amino acids found in the final proteins. c. introns usually begins with the nucleotide sequence GT d. all above

Last Answer : all above

Which one of the following is common between prokaryotic and eukaryotic chromosomes? a. Presence or absence of introns. b. Loop or linear chromosomes. c. Genetic recombination occurrence in RNA. d. Mutations occur in the DNA.

Description : Which one of the following is common between prokaryotic and eukaryotic chromosomes? a. Presence or absence of introns. b. Loop or linear chromosomes. c. Genetic recombination occurrence in RNA. d. Mutations occur in the DNA.

Last Answer : d. Mutations occur in the DNA.

A mutant strain of T4 - Bacteriophage, R-II, fails to lyse the E. coli but when two strains R-IIX and R-IIY are mixed then they lyse the E. coli. What may be the possible reason? (a) Bacteriophage transforms in wild. (b) It is not mutated. (c) Both strains have similar cistrons. (d) Both strains have different cistrons.

Description : A mutant strain of T4 - Bacteriophage, R-II, fails to lyse the E. coli but when two strains R-IIX and R-IIY are mixed then they lyse the E. coli. What may be the possible reason? (a) ... . (b) It is not mutated. (c) Both strains have similar cistrons. (d) Both strains have different cistrons.

Last Answer : (d) Both strains have different cistrons.

Gene and cistron words are sometimes used synonymously because (a) one cistron contains many genes (b) one gene contains many cistrons (c) one gene contains one cistron (d) one gene contains no cistron

Description : Gene and cistron words are sometimes used synonymously because (a) one cistron contains many genes (b) one gene contains many cistrons (c) one gene contains one cistron (d) one gene contains no cistron

Last Answer : (b) one gene contains many cistrons

Gene and cistron words are sometimes used synonymously because (a) one cistron contains many genes (b) one gene contains many cistrons (c) one gene contains one cistron (d) one gene contains no cistron.

Description : Gene and cistron words are sometimes used synonymously because (a) one cistron contains many genes (b) one gene contains many cistrons (c) one gene contains one cistron (d) one gene contains no cistron.

Last Answer : c) one gene contains one cistron

Properties of transposons? -Biology

Description : Properties of transposons? -Biology

Last Answer : answer:

What are transposons? -Biology

Description : What are transposons? -Biology

Last Answer : answer:

Transposons are of particular significance because they a. often contain genes for antibiotic resistance. b. inhibit the effects of overlapping genes. c. come in pairs and often are associated with viruses. d. regulate gene transcription in bacterial cells.

Description : Transposons are of particular significance because they a. often contain genes for antibiotic resistance. b. inhibit the effects of overlapping genes. c. come in pairs and often are associated with viruses. d. regulate gene transcription in bacterial cells.

Last Answer : a. often contain genes for antibiotic resistance.

Plasmids are a. Another Name for Transposons. b. Accessory Genetic Information. c. Domains within A Chromosome. d. Daughter Chromosomes.

Description : Plasmids are a. Another Name for Transposons. b. Accessory Genetic Information. c. Domains within A Chromosome. d. Daughter Chromosomes.

Last Answer : b. Accessory Genetic Information.

Who discovered transposons (jumping genes)? A.Abelson B.Harvey C.McClintock D.Griffith

Description : Who discovered transposons (jumping genes)? A.Abelson B.Harvey C.McClintock D.Griffith

Last Answer : C.McClintock

Who discovered transposons (jumping genes)? A- Abelson B- Harvey C- McClintockD- Griffith

Description : Who discovered transposons (jumping genes)? A- Abelson B- Harvey C- McClintock D- Griffith

Last Answer : McClintock

In bacteria a group of genes located together and functioning together on a chromosome are called _____a. polysome b. operon c. polymerase d. exons.

Description : In bacteria a group of genes located together and functioning together on a chromosome are called _____. a. polysome b. operon c. polymerase d. exons

Last Answer : b. operon

In contrast to Eukaryotic mRNA, prokaryotic mRNA is characterized by (A) Having 7-methyl guanosine triphosphate at the 5’ end (B) Being polycystronic (C) Being only monocystronic (D) Being synthesized with introns

Description : In contrast to Eukaryotic mRNA, prokaryotic mRNA is characterized by (A) Having 7-methyl guanosine triphosphate at the 5’ end (B) Being polycystronic (C) Being only monocystronic (D) Being synthesized with introns

Last Answer : Answer : A

The common features of introns include all the following except (A) The base sequence begins with GU (B) The base sequence ends with AG (C) The terminal AG sequence is preceded by a purine rich tract of ten nucleotides (D) An adenosine residue in branch site participates in splicing

Description : The common features of introns include all the following except (A) The base sequence begins with GU (B) The base sequence ends with AG (C) The terminal AG sequence is preceded by a purine rich tract of ten nucleotides (D) An adenosine residue in branch site participates in splicing

Last Answer : Answer : C

All of the following statements about post-transcriptional processing of tRNA are true except (A) Introns of some tRNA precursors are removed (B) CCA is added at 3′ end (C) 7-Methylguanosine triphosphate cap is added at 5′ end (D) Some bases are methylated

Description : All of the following statements about post-transcriptional processing of tRNA are true except (A) Introns of some tRNA precursors are removed (B) CCA is added at 3′ end (C) 7-Methylguanosine triphosphate cap is added at 5′ end (D) Some bases are methylated

Last Answer : Answer : C

Introns in genes (A) Encode the amino acids which are removed during post-translational modification (B) Encode signal sequences which are removed before secretion of the proteins (C) Are the non-coding sequences which are not translated (D) Are the sequences that intervene between two genes

Description : Introns in genes (A) Encode the amino acids which are removed during post-translational modification (B) Encode signal sequences which are removed before secretion of the proteins (C) Are the non-coding sequences which are not translated (D) Are the sequences that intervene between two genes

Last Answer : Answer : C

Post-transcriptional modification of hnRNA involves all of the following except (A) Addition of 7-methylguanosine triphosphate cap (B) Addition of polyadenylate tail (C) Insertion of nucleotides (D) Deletion of introns

Description : Post-transcriptional modification of hnRNA involves all of the following except (A) Addition of 7-methylguanosine triphosphate cap (B) Addition of polyadenylate tail (C) Insertion of nucleotides (D) Deletion of introns

Last Answer : Answer : C

In contrast to eukaryot ic mRNA , prokaryotic mRNA (A) Can be polycistronic (B) Is synthesized with introns (C) Can only be monocistronic (D) Has a poly A tail

Description : In contrast to eukaryot ic mRNA , prokaryotic mRNA (A) Can be polycistronic (B) Is synthesized with introns (C) Can only be monocistronic (D) Has a poly A tail

Last Answer : Answer : A

What are introns, and how do they affect the processing of genetic information?

Description : What are introns, and how do they affect the processing of genetic information?

Last Answer : Introns, a feature of eukaryotic DNA, are intervening stretches of DNA lying between the exons. The exons represent message material that actually gets translated into protein, whereas the introns must ... RNA is part of a protein-RNA particle known as the small nuclear ribonucleoprotein particle. 

What is true about ribosomes? (a) The prokaryotic ribosomes are 80S, where “S” stands for sedimentation coefficient. (b) These are composed of ribonucleic acid and proteins. (c) These are found only in eukaryotic cells. (d) These are self-splicing introns of some RNAs

Description : What is true about ribosomes? (a) The prokaryotic ribosomes are 80S, where “S” stands for sedimentation coefficient. (b) These are composed of ribonucleic acid and proteins. (c) These are found only in eukaryotic cells. (d) These are self-splicing introns of some RNAs

Last Answer : (b) These are composed of ribonucleic acid and proteins.

What is a difference between prokaryotic and eukaryotic cells in making protein? a. Eukayotes have introns that stay inside the nucleus b. Prokaryotes can transcribe and translate at the same time c. the process is faster in prokaryotes d. A-C are correct

Description : What is a difference between prokaryotic and eukaryotic cells in making protein? a. Eukayotes have introns that stay inside the nucleus b. Prokaryotes can transcribe and translate at the same time c. the process is faster in prokaryotes d. A-C are correct

Last Answer : d. A-C are correct

Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- Restriction endonuclease can cleave ss and dsDNA both C- Restriction fragment length polymorphism (RFLP) is usually formed in coding sequenceof a gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Description : Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- Restriction endonuclease can cleave ss and dsDNA both C- Restriction ... sequenceof a gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Last Answer : Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- .Restriction endonuclease can cleave ss and dsDNA both C- Restriction fragment length polymorphism (RFLP) is usually formed in coding sequence of a Gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Description : Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- .Restriction endonuclease can cleave ss and dsDNA both C- Restriction ... of a Gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Last Answer : Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- .Restriction endonuclease can cleave ss and dsDNA both C- Restriction fragment length polymorphism (RFLP) is usually formed in coding sequence of a Gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Description : Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- .Restriction endonuclease can cleave ss and dsDNA both C- Restriction ... of a Gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Last Answer : Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

What is true about ribosomes ? (1) These are self - splicing introns of some RNAs (2) The prokaryotic ribosomes are 80S, where “S” stands for sedimentation coefficient (3) These are composed of ribonucleic acid and proteins (4) These are found only in eukaryotic cells

Description : What is true about ribosomes ? (1) These are self - splicing introns of some RNAs (2) The prokaryotic ribosomes are 80S, where “S” stands for sedimentation coefficient (3) These are composed of ribonucleic acid and proteins (4) These are found only in eukaryotic cells

Last Answer : (3) These are composed of ribonucleic acid and proteins

Proteomes provide a link between organism’s ________ a. Mutations and recombination b. Gene products and its regulators c. Genetics and physiology d. Tandem repeats and introns

Description : Proteomes provide a link between organism’s ________ a. Mutations and recombination b. Gene products and its regulators c. Genetics and physiology d. Tandem repeats and introns

Last Answer : c. Genetics and physiology

Before any work on electrical or electronic equipment is performed, which of the following precautions should be carried out? A. De-energize the applicable switchboard bus. B. Bypass the interlocks. C. Secure and tag the supply circuit breaker in the open position. D. Station a man at the circuit supply switch.

Description : Before any work on electrical or electronic equipment is performed, which of the following precautions should be carried out? A. De-energize the applicable switchboard bus. B. Bypass the interlocks. C. ... supply circuit breaker in the open position. D. Station a man at the circuit supply switch.

Last Answer : Answer: C

In the illustration, when the energy saver switch is in the 'lo' position, the _________. EL-0043 A. mullion and frz flange heaters will not energize B. mullion heater and refrig light will not energize C. mullion, frz flange, defrost heaters will not energize D. range of the freezer temperature control is increased causing the cut-in temp to become warmer

Description : In the illustration, when the energy saver switch is in the 'lo' position, the _________. EL-0043 A. mullion and frz flange heaters will not energize B. mullion heater and refrig light will ... energize D. range of the freezer temperature control is increased causing the cut-in temp to become warmer

Last Answer : Answer: A

What is the resistance value indicated on the multimeter scale illustrated, if the range switch is set at R X 100, and the needle is at the position indicated by the letter 'R'? EL-0047 A. 6.0 ohms B. 162.5 ohms C. 600 ohms D. 16,250 ohms

Description : What is the resistance value indicated on the multimeter scale illustrated, if the range switch is set at R X 100, and the needle is at the position indicated by the letter 'R'? EL-0047 A. 6.0 ohms B. 162.5 ohms C. 600 ohms D. 16,250 ohms

Last Answer : Answer: C

What is the resistance value indicated by the multimeter scale illustrated, if the range switch is set at R X 100, and the needle is at the position indicated by the letter 'Y'? EL-0047 A. 220 ohms B. 240 ohms C. 2,400 ohms D. 24,000 ohms

Description : What is the resistance value indicated by the multimeter scale illustrated, if the range switch is set at R X 100, and the needle is at the position indicated by the letter 'Y'? EL-0047 A. 220 ohms B. 240 ohms C. 2,400 ohms D. 24,000 ohms

Last Answer : Answer: C