A splice some contains all the following except (A) hnRNA (B) snRNAs (C) Some proteins (D) Ribosome

A splice some contains all the following except (A) hnRNA (B) snRNAs (C) Some proteins (D) Ribosome
by

1 Answer

Answer :

Answer :  D
by
selected

Related questions

Splice sites are present in (A) Prokaryotic mRNA (B) Eukaryotic mRNA (C) Eukaryotic hnRNA (D) All of these

Description : Splice sites are present in (A) Prokaryotic mRNA (B) Eukaryotic mRNA (C) Eukaryotic hnRNA (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

Self-splicing can occur in (A) Some precursors of rRNA (B) Some precursors of tRNA (C) hnRNA (D) None of these

Description : Self-splicing can occur in (A) Some precursors of rRNA (B) Some precursors of tRNA (C) hnRNA (D) None of these

Last Answer : Answer : A

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

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

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

Last Answer : Answer : B

Post-transcriptional modification does not occur in (A) Eukaryotic tRNA (B) Prokaryotic tRNA (C) Eukaryotic hnRNA (D) Prokaryotic mRNA

Description : Post-transcriptional modification does not occur in (A) Eukaryotic tRNA (B) Prokaryotic tRNA (C) Eukaryotic hnRNA (D) Prokaryotic mRNA

Last Answer : Answer : D

Mammalian RNA polymerase III synthesises (A) rRNA (B) mRNA (C) tRNA (D) hnRNA

Description : Mammalian RNA polymerase III synthesises (A) rRNA (B) mRNA (C) tRNA (D) hnRNA

Last Answer : Answer : C

Mammalian RNA polymerase I synthesises (A) mRNA (B) rRNA (C) tRNA (D) hnRNA

Description : Mammalian RNA polymerase I synthesises (A) mRNA (B) rRNA (C) tRNA (D) hnRNA

Last Answer : Answer : B

Ribothymidine is present in (A) DNA (B) tRNA (C) rRNA (D) hnRNA

Description : Ribothymidine is present in (A) DNA (B) tRNA (C) rRNA (D) hnRNA

Last Answer : Answer : B

The smallest RNA among the following is (A) rRNA (B) hnRNA (C) mRNA (D) tRNA

Description : The smallest RNA among the following is (A) rRNA (B) hnRNA (C) mRNA (D) tRNA

Last Answer : Answer : D

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

Methylated purines and pyrimidines are characteristically present in (A) mRNA (B) hnRNA (C) tRNA (D) rRNA

Description : Methylated purines and pyrimidines are characteristically present in (A) mRNA (B) hnRNA (C) tRNA (D) rRNA

Last Answer : Answer : C

Molecular weight of heterogenous nuclear RNA (hnRNA) is (A) More than 107 (B) 105 to 106 (C) 104 to 105 (D) Less than 104

Description : Molecular weight of heterogenous nuclear RNA (hnRNA) is (A) More than 107 (B) 105 to 106 (C) 104 to 105 (D) Less than 104

Last Answer : Answer : A

Biochemically the ribosome consists of _______________ and some 50 structural . (A) mRNA, Carbohydrates (B) tRNA, lipids (C) mRNA, Proteins (D) rRNA, Proteins

Description : Biochemically the ribosome consists of _______________ and some 50 structural . (A) mRNA, Carbohydrates (B) tRNA, lipids (C) mRNA, Proteins (D) rRNA, Proteins

Last Answer : (D) rRNA, Proteins

Which of the following organelle is responsible for synthesizing of proteins in the cell? (1) Golgi apparatus (2) Ribosome (3) Lysosome (4) Nucleus

Description : Which of the following organelle is responsible for synthesizing of proteins in the cell? (1) Golgi apparatus (2) Ribosome (3) Lysosome (4) Nucleus

Last Answer : (2) Ribosome Explanation: The Ribosome, a complex molecule made of ribosomal RNA molecules, is responsible for protein synthesis in the cells.

All of the following are found in prokaryotes and eukaryotes, except a. acell (plasma) membrane b. mitochondria c. cytoplasm d. ribosome

Description : All of the following are found in prokaryotes and eukaryotes, except a. acell (plasma) membrane b. mitochondria c. cytoplasm d. ribosome

Last Answer : b. mitochondria

Labelled-D contains :- (i) A few RNA molecules (ii) 70s ribosome (iii) Enzymes (iv) Circular DNA

Description : Labelled-D contains :- (i) A few RNA molecules (ii) 70s ribosome (iii) Enzymes (iv) Circular DNA

Last Answer : Labelled-D contains :- (i) A few RNA molecules (ii) 70s ribosome (iii) Enzymes (iv) Circular DNA A. ii, iv B. ... iv, C. ii, iii, iv D. i, ii, iii, iv

A particular cell organelle is sometimes referred to as the 'suicide bag' because it contains certain enzymes that can break down the cell components or even the whole cell. Which one of the following is such an organelle? (a) Lysosome (b) Mesosome (c) Phagosome (d) Ribosome

Description : A particular cell organelle is sometimes referred to as the 'suicide bag' because it contains certain enzymes that can break down the cell components or even the whole cell. Which one of the following is such an organelle? (a) Lysosome (b) Mesosome (c) Phagosome (d) Ribosome

Last Answer : Ans:(d)

All the following statements about protooncogenes are true except (A) They are present in human beings (B) They are present in healthy cells (C) Proteins encoded by them are essential (D) They are expressed only when a healthy cell has been transformed into a cancer cell

Description : All the following statements about protooncogenes are true except (A) They are present in human beings (B) They are present in healthy cells (C) Proteins encoded by them are essential (D) They are expressed only when a healthy cell has been transformed into a cancer cell

Last Answer : Answer : D

The proteins destined to be transported out of the cell have all the following features except (A) They possess a signal sequence (B) Ribosomes synthesizing them are bound to endoplasmic reticulum (C) After synthesis, they are delivered into Golgi apparatus (D) They are tagged with ubiquitin

Description : The proteins destined to be transported out of the cell have all the following features except (A) They possess a signal sequence (B) Ribosomes synthesizing them are bound to endoplasmic reticulum (C) After synthesis, they are delivered into Golgi apparatus (D) They are tagged with ubiquitin

Last Answer : Answer : D

Hormone receptors possess all the following properties except (A) All of them are proteins (B) They possess a recognition domain (C) They bind hormones with a high degree of specificity (D) Number of receptors in a target cell is constant

Description : Hormone receptors possess all the following properties except (A) All of them are proteins (B) They possess a recognition domain (C) They bind hormones with a high degree of specificity (D) Number of receptors in a target cell is constant

Last Answer : Answer : D

Fluidity of membranes is increased by the following constituent except (A) Polyunsaturated fatty acids (B) Saturated fatty acids (C) Integral proteins (D) Cholesterol

Description : Fluidity of membranes is increased by the following constituent except (A) Polyunsaturated fatty acids (B) Saturated fatty acids (C) Integral proteins (D) Cholesterol

Last Answer : Answer : A

All following are conjugated proteins except (A) Nucleoproteins (B) Proteoses (C) Metalloproteins (D) Flavoproteins

Description : All following are conjugated proteins except (A) Nucleoproteins (B) Proteoses (C) Metalloproteins (D) Flavoproteins

Last Answer : Answer : B

Bence-Jones proteins possess all the following properties except (A) They are dimers of light chains (B) Their amino acids sequences are identical (C) Their N-terminal halves have variable amino acid sequences (D) Their C-terminal halves have constant amino acid sequences

Description : Bence-Jones proteins possess all the following properties except (A) They are dimers of light chains (B) Their amino acids sequences are identical (C) Their N-terminal halves have variable amino acid sequences (D) Their C-terminal halves have constant amino acid sequences

Last Answer : Answer : B

All the following statements about pepsin are correct except (A) It is smaller than pepsinogen (B) It is formed by the action of HCl on its precursor (C) Its optimum pH is 1.0–2.0 (D) It hydrolyses the C-terminal and N-terminal peptide bonds of proteins

Description : All the following statements about pepsin are correct except (A) It is smaller than pepsinogen (B) It is formed by the action of HCl on its precursor (C) Its optimum pH is 1.0–2.0 (D) It hydrolyses the C-terminal and N-terminal peptide bonds of proteins

Last Answer : Answer : D

During denaturation of proteins, all of the following are disrupted except (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure

Description : During denaturation of proteins, all of the following are disrupted except (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure

Last Answer : Answer : B

All the following are sulphur containing amino acids found in proteins except (A) Cysteine (B) Cystine (C) Methionine (D) Threonine

Description : All the following are sulphur containing amino acids found in proteins except (A) Cysteine (B) Cystine (C) Methionine (D) Threonine

Last Answer : Answer : D

All the following are sulphur containing amino acids found in proteins except (A) Cysteine (B) Cystine (C) Methionine (D) Threonine

Description : All the following are sulphur containing amino acids found in proteins except (A) Cysteine (B) Cystine (C) Methionine (D) Threonine

Last Answer : (D) Threonine

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

What are the features of hnRNA?

Description : What are the features of hnRNA? 

Last Answer : Heterogeneous nuclear RNA (hnRNA) - The primary precursor mRNA transcript made in the eukaryotic nucleus are called "hnRNA," an abbreviation for "heterogeneous nuclear RNA. Features are as follows: Introns: Since many eukaryotic ... C in hnRNA. Thus hnRNA and mRNA are sequences of A, G, C and U's. 

Which form of RNA has a structure resembling clover leaf? (a) rRNA (b) hnRNA (c) mRNA (d) tRNA

Description : Which form of RNA has a structure resembling clover leaf? (a) rRNA (b) hnRNA (c) mRNA (d) tRNA

Last Answer : (c) mRNA

Which one of the following also acts as a catalyst in a bacterial cell? (a) 5S rRNA (b) snRNA (c) hnRNA (d) 23S rRNA

Description : Which one of the following also acts as a catalyst in a bacterial cell? (a) 5S rRNA (b) snRNA (c) hnRNA (d) 23S rRNA

Last Answer : (a) 5S rRNA

Removal of RNA polymerase III from nucleoplasm will affect the synthesis of (a) tRNA (b) hnRNA (c) mRNA (d) rRNA.

Description : Removal of RNA polymerase III from nucleoplasm will affect the synthesis of (a) tRNA (b) hnRNA (c) mRNA (d) rRNA.

Last Answer : mRNA

Match the following RNA polymerase with their transcribed products : 1. RNA polymerase I (i) tRNA 2. RNA polymerase II (ii) rRNA 3. RNA polymerase III (iii) hnRNA Select the correct option from the following : (a) 1-i, 2-iii, 3-ii (b) 1-i, 2-ii, 3-iii (c) 1-ii, 2-iii, 3-i (d) 1-iii, 2-ii, 3-i

Description : Match the following RNA polymerase with their transcribed products : 1. RNA polymerase I (i) tRNA 2. RNA polymerase II (ii) rRNA 3. RNA polymerase III (iii) hnRNA Select the correct option from the following : (a) 1-i, 2-iii, 3-ii (b) 1-i, 2-ii, 3-iii (c) 1-ii, 2-iii, 3-i (d) 1-iii, 2-ii, 3-i

Last Answer : (b) 1-i, 2-ii, 3-iii

Which form of RNA has a structure resembling clover leaf? (a) rRNA (b) hnRNA (c) mRNA (d) tRNA

Description : Which form of RNA has a structure resembling clover leaf? (a) rRNA (b) hnRNA (c) mRNA (d) tRNA

Last Answer : tRNA

Which one of the following also acts as a catalyst in a bacterial cell? (a) 5S rRNA (b) snRNA (c) hnRNA (d) 23S rRNA

Description : Which one of the following also acts as a catalyst in a bacterial cell? (a) 5S rRNA (b) snRNA (c) hnRNA (d) 23S rRNA

Last Answer : 23S rRNA

Removal of RNA polymerase III from nucleoplasm will affect the synthesis of (a) tRNA (b) hnRNA (c) mRNA (d) rRNA.

Description : Removal of RNA polymerase III from nucleoplasm will affect the synthesis of (a) tRNA (b) hnRNA (c) mRNA (d) rRNA.

Last Answer : (a) tRNA

The removal of which enzyme affects the synthesis of hnRNA in eukaryotes a) RNA polymerase II b) RNA primase c) RNA polymerase III d) RNA polymerase I

Description : The removal of which enzyme affects the synthesis of hnRNA in eukaryotes a) RNA polymerase II b) RNA primase c) RNA polymerase III d) RNA polymerase I

Last Answer : a) RNA polymerase II

Removal of RNA polymerase III from nucleoplasm will affect the synthesis of (1) rRNA (2) tRNA (3) hnRNA (4) mRNA

Description : Removal of RNA polymerase III from nucleoplasm will affect the synthesis of (1) rRNA (2) tRNA (3) hnRNA (4) mRNA

Last Answer : (2) tRNA

Egg contains very little (A) Fat (B) Proteins (C) Carbohydrates (D) Calcium and phosphorus

Description : Egg contains very little (A) Fat (B) Proteins (C) Carbohydrates (D) Calcium and phosphorus

Last Answer : Answer : C

Nobody is the name given to (A) Ribosome (B) Microsome (C) Centrosome (D) Nucleosome

Description : Nobody is the name given to (A) Ribosome (B) Microsome (C) Centrosome (D) Nucleosome

Last Answer : Answer : C

ATP is required for (A) Fusion of 40S and 60S of ribosome (B) Accommodation tRNA amino acid in a site of ribosome (C) Movement of ribosome along mRNA (D) formation of tRNA amino acid complex

Description : ATP is required for (A) Fusion of 40S and 60S of ribosome (B) Accommodation tRNA amino acid in a site of ribosome (C) Movement of ribosome along mRNA (D) formation of tRNA amino acid complex

Last Answer : Answer : D

GTP is not required for (A) Capping L of mRNA (B) Fusion of 40S and 60S of ribosome (C) Accommodation of tRNA amino acid (D) Formation of tRNA amino acid complex

Description : GTP is not required for (A) Capping L of mRNA (B) Fusion of 40S and 60S of ribosome (C) Accommodation of tRNA amino acid (D) Formation of tRNA amino acid complex

Last Answer : Answer : D

AN Eukaryotic ribosome is made up of ________ sub unit. (A) 40S and 60S (B) 40S and 50S (C) 40S and 80S (D) 60S and 80S

Description : AN Eukaryotic ribosome is made up of ________ sub unit. (A) 40S and 60S (B) 40S and 50S (C) 40S and 80S (D) 60S and 80S

Last Answer : Answer : A

A prokaryotic ribosome is made up of ________ sub units. (A) 20 S and 50S (B) 30S and 50S (C) 30S and 60S (D) 20S and 50S

Description : A prokaryotic ribosome is made up of ________ sub units. (A) 20 S and 50S (B) 30S and 50S (C) 30S and 60S (D) 20S and 50S

Last Answer : Answer : B

After formation of a peptide bond, mRNA is translocated along the ribosome by (A) eEF-1 and GTP (B) eEF-2 and GTP (C) Peptidyl transferase and GTP (D) Peptidyl transferase and ATP

Description : After formation of a peptide bond, mRNA is translocated along the ribosome by (A) eEF-1 and GTP (B) eEF-2 and GTP (C) Peptidyl transferase and GTP (D) Peptidyl transferase and ATP

Last Answer : Answer : B

The enzyme amino acyl tRNA synthetase is involved in (A) Dissociation of discharged tRNA from 80S ribosome (B) Charging of tRNA with specific amino acids (C) Termination of protein synthesis (D) Nucleophilic attack on esterified carboxyl group of peptidyl tRNA

Description : The enzyme amino acyl tRNA synthetase is involved in (A) Dissociation of discharged tRNA from 80S ribosome (B) Charging of tRNA with specific amino acids (C) Termination of protein synthesis (D) Nucleophilic attack on esterified carboxyl group of peptidyl tRNA

Last Answer : Answer : B

The function of a repressor protein in an operon system is to prevent synthesis by binding to (A) The ribosome (B) A specific region of the operon preventing transcription of structural genes (C) The RNA polymerase (D) A specific region of the mRNA preventing translation to protein

Description : The function of a repressor protein in an operon system is to prevent synthesis by binding to (A) The ribosome (B) A specific region of the operon preventing transcription of structural genes (C) The RNA polymerase (D) A specific region of the mRNA preventing translation to protein

Last Answer : Answer : B

In mammalian cells, ribosomal RNA is produced mainly in the (A) Nucleus (B) Nucleolus (C) Ribosome (D) Golgi apparatus

Description : In mammalian cells, ribosomal RNA is produced mainly in the (A) Nucleus (B) Nucleolus (C) Ribosome (D) Golgi apparatus

Last Answer : Answer : B

The first amino acid incorporated in a polypeptide in a ribosome of a bacterium is (A) N formyl methionine (B) Methionine (C) Alamine (D) Glycine

Description : The first amino acid incorporated in a polypeptide in a ribosome of a bacterium is (A) N formyl methionine (B) Methionine (C) Alamine (D) Glycine

Last Answer : Answer : A