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

What are the smaller repeating molecules that make up a DNA or RNA molecule called?
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RNA molecules can be broken up into three classes-which type of RNA molecule is translated into a protein sequence?

Description : RNA molecules can be broken up into three classes-which type of RNA molecule is translated into a protein sequence?

Last Answer : Messenger RNA (mRNA). mRNAs are the RNA transcripts that contain protein coding sequences which are translated into protein.

Which of the following is correct regarding AIDS causative agent HIV? (a) HIV is enveloped virus containing one molecule of single-stranded RNA and one molecule of reverse transcriptase. (b) HIV is enveloped virus that contains two identical molecules of single-stranded RNA and two molecules of reverse transcriptase. (c) HIV is unenveloped retrovirus. (d) HIV does not escape but attacks the acquired immune response

Description : Which of the following is correct regarding AIDS causative agent HIV? (a) HIV is enveloped virus containing one molecule of single-stranded RNA and one molecule of reverse transcriptase. (b) HIV ... ) HIV is unenveloped retrovirus. (d) HIV does not escape but attacks the acquired immune response

Last Answer : (d) HIV does not escape but attacks the acquired immune response.

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

DNA or RNA segment tagged with a radioactive molecule is called (a) vector (b) probe (c) clone (d) plasmid.

Description : DNA or RNA segment tagged with a radioactive molecule is called (a) vector (b) probe (c) clone (d) plasmid.

Last Answer : (b) probe

What DNA is made up of many smaller molecules called .?

Description : What DNA is made up of many smaller molecules called .?

Last Answer : Feel Free to Answer

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

Identify the correct molecule which controls the biosynthesis of proteins in living organisms. (A) DNA (B) RNA (C) Purines (D) Pyrimidines

Description : Identify the correct molecule which controls the biosynthesis of proteins in living organisms. (A) DNA (B) RNA (C) Purines (D) Pyrimidines

Last Answer : Answer : A

The only molecule in the living world that can replicate itself is (a) DNA (b) RNA (c) Both DNA and RNA (d) Neither DNA nor RNA

Description : The only molecule in the living world that can replicate itself is (a) DNA (b) RNA (c) Both DNA and RNA (d) Neither DNA nor RNA

Last Answer : Ans:(a)

Which of the following molecule catalyzes the transpeptidation reaction? A.RNA polymerase B.Peptidyl transferase C.DNA ligase D.DNA polymerase

Description : Which of the following molecule catalyzes the transpeptidation reaction? A.RNA polymerase B.Peptidyl transferase C.DNA ligase D.DNA polymerase

Last Answer : B.Peptidyl transferase

Which of the following molecule catalyzes the transpeptidation reaction? A- RNA Polymerase B- Peptidlytransferase C- DNA ligase D- DNA polymerase

Description : Which of the following molecule catalyzes the transpeptidation reaction? A- RNA Polymerase B- Peptidlytransferase C- DNA ligase D- DNA polymerase

Last Answer : Peptidlytransferase

Which of the following molecule catalyzes the transpeptidation reaction? A- RNA polymeraseB- .Peptidyltransferase C- DNA ligase D- .DNA polymerase

Description : Which of the following molecule catalyzes the transpeptidation reaction? A- RNA polymerase B- .Peptidyltransferase C- DNA ligase D- .DNA polymerase

Last Answer : .Peptidyltransferase

Which of the following molecule catalyzes the transpeptidation reaction? A- RNA Polymerase B- Peptidlytransferase C- DNA ligase D- DNA polymerase

Description : Which of the following molecule catalyzes the transpeptidation reaction? A- RNA Polymerase B- Peptidlytransferase C- DNA ligase D- DNA polymerase

Last Answer : Peptidlytransferase

Which of the following molecule catalyzes the transpeptidation reaction? A- RNA polymeraseB- .Peptidyltransferase C- DNA ligase D- .DNA polymerase

Description : Which of the following molecule catalyzes the transpeptidation reaction? A- RNA polymerase B- .Peptidyltransferase C- DNA ligase D- .DNA polymerase

Last Answer : .Peptidyltransferase

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

During transcription, do both strands of DNA get transcribed into a double stranded RNA molecule?

Description : During transcription, do both strands of DNA get transcribed into a double stranded RNA molecule?

Last Answer : No. RNA is single stranded and is transcribed from only one of the DNA strands. DNA replication does make copies of both strands.

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

Viruses are no more “alive” than isolated chromosomes because (a) they require both RNA and DNA (b) they both need food molecules (c) they both require oxygen for respiration (d) both require the environment of a cell to replicate.

Description : Viruses are no more “alive” than isolated chromosomes because (a) they require both RNA and DNA (b) they both need food molecules (c) they both require oxygen for respiration (d) both require the environment of a cell to replicate.

Last Answer : (d) both require the environment of a cell to replicate.

.Viroids differ from viruses in having (a) DNA molecules without protein coat (b) RNA molecules with protein coat (c) RNA molecules without protein coat (d) DNA molecules with protein coat

Description : .Viroids differ from viruses in having (a) DNA molecules without protein coat (b) RNA molecules with protein coat (c) RNA molecules without protein coat (d) DNA molecules with protein coat

Last Answer : (c) RNA molecules without protein coat

Viroids differ from viruses in having; (1) DNA molecules without protein coat (2) RNA molecules with protein coat (3) RNA molecules without protein coat (4) DNA molecules with protein coat

Description : Viroids differ from viruses in having; (1) DNA molecules without protein coat (2) RNA molecules with protein coat (3) RNA molecules without protein coat (4) DNA molecules with protein coat

Last Answer : (3) RNA molecules without protein coat

Every DNA molecule is made up of molecules called?

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

Last Answer : dk

What is A repeating pattern of atoms ions or molecules in a mineral called?

Description : What is A repeating pattern of atoms ions or molecules in a mineral called?

Last Answer : crystalline structure

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

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

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

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.

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.

What are large randomly repeating non-coding DNA stretches called as? a. Satellite DNA b. Micro arrays c. Gene d. Allele

Description : What are large randomly repeating non-coding DNA stretches called as? a. Satellite DNA b. Micro arrays c. Gene d. Allele

Last Answer : a. Satellite DNA

DNA is composed of repeating units of (a) ribonucleosides (b) deoxyribonucleosides (c) ribonucleotides (d) deoxyribonucleotides.

Description : DNA is composed of repeating units of (a) ribonucleosides (b) deoxyribonucleosides (c) ribonucleotides (d) deoxyribonucleotides.

Last Answer : (d) deoxyribonucleotides.

All of the following statements about bacterial promoters are true except (A) They are smaller than eukaryotic promoters (B) They have two consensus sequences upstream from the transcription star site (C) TATA box is the site for attachment of RNA polymerase (D) TATA box has a high melting temperature

Description : All of the following statements about bacterial promoters are true except (A) They are smaller than eukaryotic promoters (B) They have two consensus sequences upstream from the transcription star site (C) ... is the site for attachment of RNA polymerase (D) TATA box has a high melting temperature

Last Answer : Answer : D

Which one of the following cellular parts is correctly described? (a) Thylakoids - flattened membranous sacs forming the grana of chloroplasts (b) Centrioles - sites for active RNA synthesis (c) Ribosomes - those on chloroplasts are larger (80S) while those in the cytoplasm are smaller (70S) (d) Lysosomes - optimally active at a pH of about 8.5

Description : Which one of the following cellular parts is correctly described? (a) Thylakoids - flattened membranous sacs forming the grana of chloroplasts (b) Centrioles - sites for active RNA synthesis (c) Ribosomes - ... cytoplasm are smaller (70S) (d) Lysosomes - optimally active at a pH of about 8.5

Last Answer : (a) Thylakoids - flattened membranous sacs forming the grana of chloroplasts

Which of the following statements is wrong for viroids? (a) They cause infections. (b) Their RNA is of high molecular weight. (c) They lack a protein coat. (d) They are smaller than viruses

Description : Which of the following statements is wrong for viroids? (a) They cause infections. (b) Their RNA is of high molecular weight. (c) They lack a protein coat. (d) They are smaller than viruses

Last Answer : (b) Their RNA is of high molecular weight.

Which statement is true of rRNA? (a) Called soluble RNA (b) Named by Jacob and Monod (c) The smallest molecule of RNA (d) They form 80% of the total RNA

Description : Which statement is true of rRNA? (a) Called soluble RNA (b) Named by Jacob and Monod (c) The smallest molecule of RNA (d) They form 80% of the total RNA

Last Answer : Ans:(d)

Synthesis of RNA molecule is terminated by a signal which is recognised by (A) α-factor (B) β-factor (C) δ-factor (D) ρ

Description : Synthesis of RNA molecule is terminated by a signal which is recognised by (A) α-factor (B) β-factor (C) δ-factor (D) ρ

Last Answer : Answer : D

In RNA molecule (A) Guanine content equals cytosine (B) Adenine content equals uracil (C) Adenine content equals guanine (D) Guanine content does not necessarily equal its cytosine content.

Description : In RNA molecule (A) Guanine content equals cytosine (B) Adenine content equals uracil (C) Adenine content equals guanine (D) Guanine content does not necessarily equal its cytosine content.

Last Answer : Answer : D

The nitrogenous base present in the RNA molecule is (A) Thymine (B) Uracil (C) Xanthine (D) Hypoxanthine

Description : The nitrogenous base present in the RNA molecule is (A) Thymine (B) Uracil (C) Xanthine (D) Hypoxanthine

Last Answer : Answer : B

In RNA molecule guanine content does not necessarily equal its cytosine content nor does its adenine content necessarily equal its uracil content since it is a (A) Single strand molecule (B) Double stranded molecule (C) Double stranded helical molecule (D) Polymer of purine and pyrimidine ribonucleotides

Description : In RNA molecule guanine content does not necessarily equal its cytosine content nor does its adenine content necessarily equal its uracil content since it is a (A) Single strand molecule ( ... stranded molecule (C) Double stranded helical molecule (D) Polymer of purine and pyrimidine ribonucleotides

Last Answer : Answer : A

Which one of the following statements is not true of RNA? a. RNA contains the monosaccharide ribose. b. RNA is primarily a single-stranded molecule. c. RNA has a sugar-phosphate backbone. d. RNA contains five different nucleotides.

Description : Which one of the following statements is not true of RNA? a. RNA contains the monosaccharide ribose. b. RNA is primarily a single-stranded molecule. c. RNA has a sugar-phosphate backbone. d. RNA contains five different nucleotides.

Last Answer : d. RNA contains five different nucleotides.

Adenine binds to which base in an RNA molecule?

Description : Adenine binds to which base in an RNA molecule? 

Last Answer : ANSWER: URACIL 

cDNA probes are copied from the messenger RNA molecules with the help of

Description : cDNA probes are copied from the messenger RNA molecules with the help of

Last Answer : cDNA probes are copied from the messenger RNA molecules with the help of A. restriction ... C. DNA olyermase D. adenosine deaminase deficiency

The RNA molecules from a single strand of ribonucleotides of (a) Adenine, guanine, cytosins and uracil (b) Adenine, guanine and cytosins (c) Adenine and guanine (d) None of the above

Description : The RNA molecules from a single strand of ribonucleotides of (a) Adenine, guanine, cytosins and uracil (b) Adenine, guanine and cytosins (c) Adenine and guanine (d) None of the above

Last Answer : Ans:(a)

Which one of the following statements is true? a. Plasmids are circular molecules of RNA. b. RNA replicates by a conservative method of replication. c. Deletions or insertions of a nucleotide in a gene will cause a reading frameshift during translation. d. Okazaki fragments are removed from a RNA before translation occurs.

Description : Which one of the following statements is true? a. Plasmids are circular molecules of RNA. b. RNA replicates by a conservative method of replication. c. Deletions or insertions of a ... reading frameshift during translation. d. Okazaki fragments are removed from a RNA before translation occurs.

Last Answer : c. Deletions or insertions of a nucleotide in a gene will cause a reading frameshift during translation.

The statement that is NOT correct is (a) The breaking of complex and big molecules into simpler and smaller molecules by micro-organisms is called fermentation. (b) ****** contains high percentage of methanol. (c) Root **** does not contain alcohol. (d) Alcoholic fermentation involves the conversion of sugars into alcohol by the use of micro-organisms.

Description : The statement that is NOT correct is (a) The breaking of complex and big molecules into simpler and smaller molecules by micro-organisms is called fermentation. (b) Whisky contains high ... d) Alcoholic fermentation involves the conversion of sugars into alcohol by the use of micro-organisms.

Last Answer : Ans:(b)

(4) less soluble in blood than nitrogen at high pressure Explanation: Deep-sea divers have their oxygen supply mixed with helium in order to avoid the toxic nature of oxygen under extreme pressures. The Helium atom is much smaller than the Nitrogen molecule, has a smaller electron cloud and is less polarizable. It, therefore is less soluble in blood than nitrogen and prevents the formation of nitrogen bubbles in blood which blocks blood flow as the diver comes to the surface of the sea from underwater.

Description : (4) less soluble in blood than nitrogen at high pressure Explanation: Deep-sea divers have their oxygen supply mixed with helium in order to avoid the toxic nature of oxygen under extreme pressures. The ... blood which blocks blood flow as the diver comes to the surface of the sea from underwater.

Last Answer : The chemical bahaviour of an atom depends upon - (1) the number of protons in its nucleus (2) the number of neutrons in the nucleus (3) the number of electrons orbiting around the nucleus (4) the number of nucleons in the nucleus

An atom is-------? A. smallest indivisible particle in an element B. smallest particle of an element which can undergo a chemical reaction (Answer) C. building block of an element D. always smaller than molecule

Description : An atom is-------? A. smallest indivisible particle in an element B. smallest particle of an element which can undergo a chemical reaction (Answer) C. building block of an element D. always smaller than molecule

Last Answer : B. smallest particle of an element which can undergo a chemical reaction (Answer)

How might simple molecules find each other and combine to make a complex molecule?

Description : How might simple molecules find each other and combine to make a complex molecule?

Last Answer : Feel Free to Answer

A typical fat molecule is made up of (a) one glycerol and one fatty acid molecule (b) three glycerol and three fatty acid molecules (c) three glycerol molecules and one fatty acid molecule (d) one glycerol and three fatty acid molecules

Description : A typical fat molecule is made up of (a) one glycerol and one fatty acid molecule (b) three glycerol and three fatty acid molecules (c) three glycerol molecules and one fatty acid molecule (d) one glycerol and three fatty acid molecules

Last Answer : (d) one glycerol and three fatty acid molecules.

Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller than sulphur.

Description : Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller than sulphur.

Last Answer : Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller ... is False. D. If both Assertion & Reason are false

In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is (A) Terylene (B) Polybutadiene (C) PVC (D) Polypropylene

Description : In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is (A) Terylene (B) Polybutadiene (C) PVC (D) Polypropylene

Last Answer : (A) Terylene

Only two of the following Statements accurately describe what happens in the mouth. 1. 2. 3. 4. Amylase breaks down large starch molecules into smaller maltose molecules. Chewing increases the surface area of food for digestion. Saliva emulsifies fats into smaller droplets. Teeth breakup large insoluble molecules into smaller soluble molecules which statements are correct? (a) 1 and 2 (b) 2 and 3 (c) 3 and 4 (d) 1 and 4

Description : Only two of the following Statements accurately describe what happens in the mouth. 1. 2. 3. 4. Amylase breaks down large starch molecules into smaller maltose molecules. Chewing increases the surface area of food for digestion. Saliva emulsifies ... ? (a) 1 and 2 (b) 2 and 3 (c) 3 and 4 (d) 1 and 4

Last Answer : (a) 1 and 2

The process of union of two or more molecules of a substance to form a large single molecule is called : (1) Fusion (2) Diffusion (3) Polymerization (4) Synthesis

Description : The process of union of two or more molecules of a substance to form a large single molecule is called : (1) Fusion (2) Diffusion (3) Polymerization (4) Synthesis

Last Answer : (3) Polymerization Explanation: Polymerisation is the chemical process of monomers joining together to form polymers, often it takes many thousands of monomers to make a single polymer.