mRNA is complementary copy of (A) 5′-3′ strand of DNA+ (B) 3′-5′ strand of DNA (C) Antisense strand of DNA (D) tRNA

1 Answer

Answer :

Answer :  B

Related questions

Description : What will be the sequence of mRNA produced by the following stretch of DNA? 3′ATGCATGCATGCATG5′TEMPLATE STRAND 5′ TACGTACGTACGTAC3′ CODING STRAND (a) 3′AUGCAUGCAUGCAUG5′ (b) 5′UACGUACGUACGUAC 3′ (c) 3′ UACGUACGUACGUAC 5′ (d) 5′ AUGCAUGCAUGCAUG 3

Last Answer : d) 5′ AUGCAUGCAUGCAUG 3′

Description : Anticodon sequence are seen in (A) tRNA and transcribed DNA strand (B) tRNA and complementary DNA strand (C) mRNA (D) mRNA and complementary DNA strand

Last Answer : Answer : A

Description : Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5′ _____ GAATTC _____ 3′ 3′ _____ CTTAAG _____ 5′ (a) ... completed (b) Deletion mutation (c) Start codon at the 5′ end (d) Palindromic sequence of base pairs

Last Answer : (d) Palindromic sequence of base pairs

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′

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′

Description : The 3′ - 5′ phosphodiester linkages inside a polynucleotide chain serve to join (a) one DNA strand with the other DNA strand (b) one nucleoside with another nucleoside (c) one nucleotide with another nucleotide (d) one nitrogenous base with pentose sugar.

Last Answer : (c) one nucleotide with another nucleotide

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′

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′

Description : mRNA is complementary to the nucleotide sequence of (A) Coding strand (B) Ribosomal RNA (C) tRNA (D) Template strand

Last Answer : Answer : A

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

Description : Although each specific tRNA differs from the others in its sequence of nucleotides, all tRNA molecules contain a base paired stem that terminates in the sequence CCA at (A) 3′ Termini (B)5′ Termini (C) Anticodon arm (D) 53 ′′ -Termini

Last Answer : Answer : A

Description : Anticodons are present on (A) Coding strand of DNA (B) mRNA (C) tRNA (D) rRNA

Last Answer : Answer : C

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

Last Answer : Answer : B

Description : In sanger’s method of DNA sequence determination, DNA synthesis is stopped by using (A) 1′, 2′- Dideoxyribonucleoside triphosphates (B) 2′, 3′- Dideoxyribonucleoside triphosphates (C) 2′, 4′- Dideoxyribonucleoside triphosphates (D) 2′, 5′ - Dideoxyribonucleoside triphosphates

Last Answer : Answer : B

Description : Which one of the following represents a palindromic sequence in DNA? (a) 5′ - GAATTC - 3′ (b) 5′ - CCAATG - 3′ 3′ - CTTAAG - 5′ 3′ - GAATCC - 5′ (c) 5′ - CATTAG - 3′ (d) 5′ - GATACC - 3′ 3′ - GATAAC - 5′ 3′ - CCTAAG - 5′

Last Answer : (a) 5′ - GAATTC - 3′ 5′ - CCAATG - 3′ 3′ - CTTAAG - 5′

Description : n the DNA molecule, (a) the proportion of adenine in relation to thymine varies with the organism (b) there are two strands which run anti- parallel-one in 5′ → 3′ direction and other in 3′ → ... is not always equal (d) there are two strands which run parallel in the 5′ → 3′ direction.

Last Answer : (b) there are two strands which run anti- parallel-one in 5′ → 3′ direction and other in 3′ → 5′

Description : What is antisense technology? (a) When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene (b) RNA polymerase producing DNA (c) A cell displaying a foreign antigen used for synthesis of antigens (d) Production of somaclonal variants in tissue cultures

Last Answer : (a) When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene

Description : Direction of RNA synthesis is (A) 5′ → 3’ (B) 3′ → 5’ (C) Both (A) and (B) (D) None of these

Last Answer : Answer : A

Description : All pribnow boxes are variants of the sequence: (A) 5′–TATAAT –3′ (B) 5′–GAGCCA –3′ (C) 5′–UAACAA –3′ (D) 5′–TCCTAG –3′

Last Answer : Answer : A

Description : The degradation of RNA by pancreatic ribonuclease produces (A) Nucleoside 2-Phosphates (B) Nucleoside 5′-phosphates (C) Oligonucleosides (D) Nucleoside 3′-phosphate and oligonucleotide

Last Answer : Answer : D

Description : All the following statements about tRNA are correct except (A) A given tRNA can be charged with only one particular amino acid (B) The amino acid is recognized by the anticodon of tRNA (C) The amino acid is attached to end of tRNA (D) The anticodon of tRNA finds the complementary codon on mRNA

Last Answer : Answer : B

Description : What does the positive strand in double stranded RNA viruses stands for? A- rRNA B- tRNA C- .mRNA D- None of these

Last Answer : .mRNA

Description : The specific palindromic sequence which is recognised by EcoRI is (a) 5′ - GAATTC - 3′ (b) 5′ - GGAACC - 3′ 3′ - CTTAAG - 5′ 3′ - CCTTGG - 5′ (c) 5′ - CTTAAG - 3′ (d) 5′ - GGATCC - 3′ 3′ - GAATTC - 5′ 3′ - CCTAGG - 5′.

Last Answer : (a) 5′ - GAATTC - 3′

Description : Codons are present on (A) Non-coding strand of DNA (B) hnRNA (C) tRNA (D) None of these

Last Answer : Answer : B

Description : The genetic code operates via (A) The protein moiety of DNA (B) The base sequences of DNA (C) The nucleotide sequence of mRNA (D) The base sequence of tRNA

Last Answer : Answer : C

Description : Codons are in (A) DNA (B) mRNA (C) tRNA (D) rRNA

Last Answer : Answer : B

Description : Blue print for genetic information residues in (A) mRNA (B) tRNA (C) rRNA (D) DNA

Last Answer : Answer : D

Description : From DNA the genetic message is transcribed into this compound: (A) Protein (B) mRNA (C) tRNA (D) rRNA

Last Answer : Answer : B

Description : Genetic information originates from (A) Cistron of DNA (B) Codons of mRNA (C) Anticodons of tRNA (D) Histones of nucleoproteins

Last Answer : Answer : A

Description : Ciprofloxacin inhibits the synthesis of (A) DNA (B) mRNA (C) tRNA (D) rRNA

Last Answer : Answer : A

Description : Novobicin inhibits the synthesis of (A) DNA (B) mRNA (C) tRNA (D) rRNA

Last Answer : Answer : A

Description : Okazaki pieces are formed during the synthesis of (A) mRNA (B) tRNA (C) rRNA (D) DNA

Last Answer : Answer : D

Description : The number of adenine and thymine bases is equal in (A) DNA (B) mRNA (C) tRNA (D) rRNA

Last Answer : Answer : A

Description : Alkalis cannot hydrolyse (A) mRNA (B) tRNA (C) rRNA (D) DNA

Last Answer : Answer : D

Description : Number of guanine and cytosine residues is equal in (A) mRNA (B) tRNA (C) DNA (D) None of these

Last Answer : Answer : C

Description : The ‘transforming factor’ discovered by Avery, McLeod and McCarty was later found to be (A) mRNA (B) tRNA (C) DNA (D) None of these

Last Answer : Answer : C

Description : Okazaki fragment is related to (A) DNA synthesis (B) Protein synthesis (C) mRNA formation (D) tRNA formation

Last Answer : Answer : A

Description : Tetracylin prevents synthesis of polypeptide by (A) Blocking mRNA formation from DNA (B) Releasing peptides from mRNA-tRNA complex (C) Competing with mRNA for ribosomal binding sites (D) Preventing binding of aminoacyl tRNA

Last Answer : Answer : D

Description : Polysomes lack in (A) DNA (B) mRNA (C) rRNA (D) tRNA

Last Answer : Answer : A

Description : Genetic information of nuclear DNA is transmitted to the site of protein synthesis by (A) rRNA (B) mRNA (C) tRNA (D) Polysomes

Last Answer : D

Description : What would be the strand of complementary DNA produced by the strand of DNA of tcg aag?

Last Answer : Purine- Adenine, guanine,pyrimidine- thymine, cytosineAdenine pairs with thymineGuanine pairs with cytosineTherefore the complementary strand to TCG AAG is AGC TTC============================= ... pairs with G so the complementary strand is as follows:TCG AAG (Original)AGC TTC (Complementary)GCA TAT

Description : What would be the strand of complementary DNA produced by the strand of DNA called TCG AAG?

Last Answer : Agc ttc

Description : If the base sequence on a separated DNA strand is CGTAGG what will the base sequence on its complementary strand be?

Last Answer : What is the answer ?

Description : If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complementary RNA strand sequence? (a) TTAGU (b) UAGAC (c) AACTG (d) ATCGU

Last Answer : (a) TTAGU

Description : If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complementary RNA strand sequence? (a) TTAGU (b) UAGAC (c) AACTG (d) ATCGU

Last Answer : b) UAGAC

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

Description : If one strand of DNA has the nitrogenous base sequence as ATCTC, what would be the complementary RNA strand sequence ? (1) ATCGU (2) TTAGU (3) UAGAC (4) AACTG

Last Answer : (3) UAGAC

Description : Which strand of mRNA would be made during transcription using the DNA strand shown below AGC GCT?

Last Answer : Transcription is the process whereby DNA is used as a template to form a complementary RNA strand. This is the first stage of protein production or the flow of information within a cell. ... denatured, uncoupling the two complementary strands and allowing the template strand to be accessed by the e

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

Description : What happens to the original DNA strand once the mRNA is completely copied?

Last Answer : Feel Free to Answer