Which of the following r-RNAs acts as structural RNA as well as ribozme in bacteria ?

Which of the following r-RNAs acts as structural RNA as well as ribozme in bacteria ?
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Which of the following r-RNAs acts as structural RNA as well as ribozme in bacteria ? A. 23s rRNA B. 5.8s rRNA C. 5s rRNA D. 18s rRNA
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Which of the following rRNAs acts as structural RNA as well as ribozyme in bacteria? (a) 5S rRNA (b) 18S rRNA (c) 23S rRNA (d) 5.8S rRNA

Description : Which of the following rRNAs acts as structural RNA as well as ribozyme in bacteria? (a) 5S rRNA (b) 18S rRNA (c) 23S rRNA (d) 5.8S rRNA

Last Answer : (a) 5S rRNA

Which of the following rRNAs acts as structural RNA as well as ribozyme in bacteria? (a) 5S rRNA (b) 18S rRNA (c) 23S rRNA (d) 5.8S rRNA

Description : Which of the following rRNAs acts as structural RNA as well as ribozyme in bacteria? (a) 5S rRNA (b) 18S rRNA (c) 23S rRNA (d) 5.8S rRNA

Last Answer : (c) 23S rRNA

Which of the following RNAs should be most abundant in animal cell ? (1) t—RNA (2) m-RNA (3) mi—RNA (4) r-RNA

Description : Which of the following RNAs should be most abundant in animal cell ? (1) t—RNA (2) m-RNA (3) mi—RNA (4) r-RNA

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which noncoding rnas are correctly matched with their function? -General Knowledge

Description : which noncoding rnas are correctly matched with their function? -General Knowledge

Last Answer : Piwi-associated RNAs (piRNAs) reestablish appropriate methylation patterns in the genome during gamete formation.

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Last Answer : answer:

Transfer RNAs are classified on the basis of the number of base pairs in (A) Acceptor arm (B) Anticodon arm (C) D arm (D) Extra arm

Description : Transfer RNAs are classified on the basis of the number of base pairs in (A) Acceptor arm (B) Anticodon arm (C) D arm (D) Extra arm

Last Answer : Answer : D

The number of small stable RNAs per cell ranges from (A) 10–50,000 (B) 50,000–1,00,000 (C) 1,00,000–10,00,000 (D) More than 10 lakhs

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Last Answer : Answer : C

What is self-catalytic RNAs?

Description : What is self-catalytic RNAs? 

Last Answer : Ribozymes - The term "ribozyme" was originally suggested by Thomas R. Cech, Nobel Prize winning biochemist, who first discovered this class of RNA molecules. A ribozyme is an RNA molecule that ... is catalyzed by the 23S ribosomal RNA, a potential ribozyme, rather than ribosomal proteins.  

Which of the following RNAs should be most abundant in animal cell? (a) tRNA (b) mRNA (c) miRNA (d) rRNA

Description : Which of the following RNAs should be most abundant in animal cell? (a) tRNA (b) mRNA (c) miRNA (d) rRNA

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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

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

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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

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Penicillin acts on- a) Cell wall b) RNA c) Cell membraned) None of these

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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

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Last Answer : Answer : D

The most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes and inhibit bacterial protein synthesis (c) They bind to 50S ribosomes and interfere with translocation of the growing peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria

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Last Answer : (1) DNA is the genetic material in most of the organism Explanation: Deoxyribonucleic acid (DNA) molecules are informational molecules encoding the genetic instructions used in the development and functioning of all ... letters. G, A, T, and C. DNA is well-suited for biological information storage.

What is true about viruses without exception? (1) They contain a core of RNA (2) They can infect bacteria (3) They cannot produce antibodies (4) They can multiply only in host cells

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Assertion (A) `:` Replication and transcription occur in the nucleus but translation occurs in the cytoplasm. Reason (R ) `:` m-RNA is transferred fro

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r-RNA is synthesised in

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Last Answer : Answer : B

Master copy of genetic information is (1) DNA (2) Nucleus (3) r-RNA (4) m-RNA

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Description : Select the analgesic which acts through opioids as well as additional spinal monoaminergic mechanisms. (a) Tramadol (b) Ethoheptazine (c) Dextropropoxyphene (d) Alfentanil

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Identify the statement that is consistent with utilitarian ethical theory: A. Adhering to a set of principles may well forbid an act that would otherwise provide overall net good consequences. B. No act is ever morally right or wrong in all cases, in every situation. It will all depend on the act's consequences. C. Some actions like murder, theft, rape, and lying are wrong of their very nature, the kind of acts they are. No amount of n

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Last Answer : B. No act is ever morally right or wrong in all cases, in every situation. It will all depend on the act's consequences.

Identify the statement that is consistent with utilitarian ethical theory: A. Adhering to a set of principles may well forbid an act that would otherwise provide overall net good consequences. B. No act is ever morally right or wrong in all cases, in every situation. It will all depend on the act's consequences. C. Some actions like murder, theft, rape, and lying are wrong of their very nature, the kind of acts they are. No amount of net good consequences could ever justify them. D. The end never justifies the means.

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Last Answer : B. No act is ever morally right or wrong in all cases, in every situation. It will all depend on the act's consequences.

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