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

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

1 Answer

Answer :

(a) exons
by

Related questions

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.

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

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

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

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

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

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.

In split genes the coding sequences are called

Description : 4. In split genes the coding sequences are called (a)introns (b)operons (c)exons (d)cistrons

Last Answer : (c)exons

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

The eukaryotic genome differs from the prokaryotic genome because (a) the DNA is complexed with histone in prokaryotes (b) the DNA is circular and single stranded in prokaryotes (c) repetitive sequences are present in eukaryotes (d) genes in the former case are organised into operons.

Description : The eukaryotic genome differs from the prokaryotic genome because (a) the DNA is complexed with histone in prokaryotes (b) the DNA is circular and single stranded in prokaryotes (c) repetitive sequences are present in eukaryotes (d) genes in the former case are organised into operons.

Last Answer : (b) the DNA is circular and single stranded in prokaryotes

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

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.

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

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

The coding sequences in lac operon include (A) i gene (B) i gene, operator locus and promoter (C) z, y and a genes (D) i, z, y and a genes

Description : The coding sequences in lac operon include (A) i gene (B) i gene, operator locus and promoter (C) z, y and a genes (D) i, z, y and a genes

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

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

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

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

8. Non coding sequences present within a gene is called: (a) Exon (b) Operon (c) Promoter (d) Intron

Description : 8. Non coding sequences present within a gene is called: (a) Exon (b) Operon (c) Promoter (d) Intron

Last Answer : (d) Intron

The process of producing a protein from its DNA- and mRNA-coding sequences.

Description : The process of producing a protein from its DNA- and mRNA-coding sequences.

Last Answer : Ans. Gene expression

Cistron is a) The coding sequence of DNA b) The functional unit of DNA molecule that codes for a particular gene product c) Intervening non coding sequence of DNA d) The sequences which are removed during RNA splicing.

Description : Cistron is a) The coding sequence of DNA b) The functional unit of DNA molecule that codes for a particular gene product c) Intervening non coding sequence of DNA d) The sequences which are removed during RNA splicing.

Last Answer : b) The functional unit of DNA molecule that codes for a particular gene product c) Intervening non coding sequence of DNA

Proto-oncogenes are: B A. DNA sequences in cells that are oncogenes themselves B. Cellular copies of genes that were first found in oncogenic retroviruses C. DNA viral sequences that are known to infect human cells D. Bacterial DNA counterparts

Description : Proto-oncogenes are: B A. DNA sequences in cells that are oncogenes themselves B. Cellular copies of genes that were first found in oncogenic retroviruses C. DNA viral sequences that are known to infect human cells D. Bacterial DNA counterparts

Last Answer : Cellular copies of genes that were first found in oncogenic retroviruses

.Expressed Sequence Tags (ESTs) refers to (a) novel DNA sequences (b) genes expressed as RNA (c) polypeptide expression (d) DNA polymorphism.

Description : .Expressed Sequence Tags (ESTs) refers to (a) novel DNA sequences (b) genes expressed as RNA (c) polypeptide expression (d) DNA polymorphism.

Last Answer : (b) genes expressed as RNA

Genomic islands are a. Gene Sequences Not Part Of The Chromosomal Genes. b. Adjacent Gene Sequences Unique To One Or A Few Strains In A Species. c. Acquired By HGT. d. Both B And C Are Correct.

Description : Genomic islands are a. Gene Sequences Not Part Of The Chromosomal Genes. b. Adjacent Gene Sequences Unique To One Or A Few Strains In A Species. c. Acquired By HGT. d. Both B And C Are Correct.

Last Answer : d. Both B And C Are Correct.

What is the term used for a segment of DNA with one or more genes in the centre and the twoends carrying inverte d repeat sequences of nucleotides? A- Plasmid B- Transposon C- Insertion sequence D- None of these

Description : What is the term used for a segment of DNA with one or more genes in the centre and the twoends carrying inverte d repeat sequences of nucleotides? A- Plasmid B- Transposon C- Insertion sequence D- None of these

Last Answer : Transposon

The wild type E.coli cells are growing in normal medium with glucose. They are transferred to a medium containing only lactose as sugar. Which of the following changes take place? (a) The lac operon is induced. (b) E.coli cells stop dividing. (c) The lac operon is repressed. (d) All operons are induced.

Description : The wild type E.coli cells are growing in normal medium with glucose. They are transferred to a medium containing only lactose as sugar. Which of the following changes take place? (a) The lac operon is ... ) E.coli cells stop dividing. (c) The lac operon is repressed. (d) All operons are induced.

Last Answer : (a) The lac operon is induced

Non-coding sequence are present in the genes of (A) Bacteria (B) Viruses (C) Eukaryotes (D) All of these

Description : Non-coding sequence are present in the genes of (A) Bacteria (B) Viruses (C) Eukaryotes (D) All of these

Last Answer : Answer : C

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.

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 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

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 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

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

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 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.

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.

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

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

Given a Pandas series called Sequences, the command which will display the first 4 rows is .... (a) print(Sequences.head(4)) -Technology

Description : Given a Pandas series called Sequences, the command which will display the first 4 rows is .... (a) print(Sequences.head(4)) -Technology

Last Answer : (a) print(Sequences.head(4))