42) Which of the following is not true when RNA is compared with DNA? answer choices . DNA has the bases adenine, thymine, guanine, cytosine. When the anticodon successfully pairs up with an mRNA codon, the cellular machinery knows that the correct amino acid is in place . The process by which protein is made from an RNA template is called which . Viruses have been successfully grown in pure cultures in test tubes; B. It has a short-term focus. Exons are excised and hydrolysed before mRNA moves out of the nucleus An initial RNA transcript is much longer than the final RNA molecule that may leave the nucleus RNA splicing may be catalyzed by spliceosomes THE BORON FAMILY. Q. The temperate phage . Both DNA and RNA contain the base cytosine. B. D) Some amino acids are coded for by more than one codon. (d) Viruses are made up of protein and DNA or RNA (never both DNA and RNA). RNA is double-stranded. It needs a helper virus to infect host cells. Take the quiz below on the topic in preparation for your Micro exam II. Correct Answer: an RNA virus converts its RNA to DNA . Which of the following statements is not true? e Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. A primary transcript is often much longer than the final RNA molecule that leaves the nucleus. Which of the following is not true regarding viruses? Although RNA seems well suited to form the basis for a self-replicating set of biochemical catalysts, it is unlikely that RNA was the first kind of molecule to do so. Type: multiple choice question. All of the RNA in a cell is made by DNA transcription, a process that has certain similarities to the process of DNA replication discussed in Chapter 5.Transcription begins with the opening and unwinding of a small portion of the DNA double helix to expose the bases on each DNA strand. DNA is typically double-stranded, while RNA is typically single-stranded. Due to its deoxyribose sugar, which contains one less oxygen-containing hydroxyl group, DNA is a more stable molecule than RNA, which is useful for a molecule which has the task of keeping genetic information safe. a. Messenger RNA attaches to a ribosome. It has a single strand. Which of the following statements is not true of viruses? D A E C B c. B C E D A d. C B A E D Who are the experts? Explanation: We start with a 3' and end with a 5', so the transcribed mRNA would start with a 5' and end with a 3'. 101. b) Not all codons specify amino acid components to be included in a protein. The process by which RNA is made from a DNA template is called which of the following. DNA is resistant to alkaline hydrolysis while RNA is not. Correct option is D) Retroviruses are the animal viruses that have single-stranded RNA as genetic material and replicate through a DNA intermediate. Which of the following is correct? Which of the following statements about RNA modifications is correct. Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. d. The enzyme that catalyzes DNA replication is DNA polymerase. C. A (A B) T = A T B T. B (A T B) T = A T B T. C (A B) T = B A. Which of the following is NOT true of RNA processing? c. RNA does not form a double helix. 1) Identify the correct statement regarding the function of ribonucleic acid (RNA) a) messenger RNA serves as a template for synthesis of proteins b) tRNA serves as the adapter molecule for the addition of amino acids and elongation of the peptide chain c) ribosomal RNA serves as machinery for protein synthesis d) All of the above Its genome is a circular, single-stranded RNA molecule. (A) It has always double stranded a-helix structure (B) It usually does not r RNA is double stranded and DNA is single stranded. And then lastly, co dons are not the basic unit up a protein structure because they're actually not part of the protein. 1) RNA polymerase needs a primer to initiate transcription. Which of the following statements is not true of viruses? b). They protect mRNA from hydrolytic enzymes. Which of the following is not true with respect to RNA? (a) Does not have a double stranded structure (b) Thymine is present (c) Does not obey Chargaff's rule (d) The sugar contained in RNA is a ribose biochemistry 1 Answer ← Prev Question Next Question → (a) organ, organ system,. Introns are cut out before mRNA leaves from the nucleus. All of the statements are correct. 3. We review their content and use your feedback to keep the quality high. C) Ribozymes may function in RNA splicing. Which of the following statement about plasmids is not true? RNA splicing can be catalyzed by tRNA. 1. RNA is produced using complementary base pairing. Nucleotides may be added at both ends of the RNA. Transcription creates a molecule of RNA from a molecule of DNA. option (3) is correct. c. Ribozymes may function in RNA splicing. RNA is single-stranded. idkRNA. Question: Which of the following statements is not true about RNA? closed Feb 21 by Rijulsingla Which of the following statements is not true about RNA? b. Ribosomal RNA is processed in both prokaryotes and eukaryotes. a-It synthesizes RNA in the 5' to 3' direction. (Write down your answers and then click at bottom of page for the correct answers.) 1. *d. RNA is larger than DNA. RNA, containing a ribose sugar, is more reactive than DNA and is not stable in alkaline conditions. All of the following are true of RNA except: - 9847263 cristinabangcot50 cristinabangcot50 26.01.2021 Science Senior High School answered All of the following are true of RNA except: a. RNA can leave the nucleus b. RNA contains uracil in place of thiamine c. RNA is a single strand d. RNA and DNA have the same 5-C sugar Transfer RNA serves as a link (or adaptor) between the messenger RNA (mRNA) molecule and the growing chain of amino acids that make up a protein. A. DNA is double stranded. Want to see the full answer? Problem 3RQ: Which of the following is a major functional characteristic of all organisms? Each tRNA carries one amino acid, and has one anticodon. . 54.Which of the following is not true about RNA? May be DNA, RNA, Single, or Double-stranded. S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS ) STATE OF MATTER (GASEOUS AND LIQUID STATE) STATES OF MATTER (SOLID STATE CHEMISTRY) STATES OF MATTER : GASES AND LIQUIDS. So you wouldn't need co dons in DNA because DNA is not going to be read by rivals almost to make the protein, you only need it in the RNA. DNA can form double helices while RNA cannot. ribosomal RNA Which is NOT true about the genetic code? biology. It carries the correct amino acid to the site of protein synthesis in the ribosome. Introns are cut out before mRNA leaves from the nucleus. One common homework and test question asks students to name the three types of RNA and list their functions. RNA contains ribose and not deoxyribose. Which of the following is not true regarding the human hepatitis D virusoid? tRNA stands for transfer RNA. The only difference between ribose and deoxyribose is that ribose has one more -OH group than deoxyribose, which has -H attached to the second (2') carbon in the ring. jee mains 2019; Share It On Facebook Twitter Email C) During RNA synthesis, new nucleotides are added to the 3′ end of the growing RNA molecule. Updated On: 21-6-2020 Answers: 3 on a question: Which of the following statements is not correct concerning DNA and RNA? c) DNA replication has a built-in mechanism that prevents or corrects all errors. Microbial Genetics. e-It uses ribonucleotide triphosphates . C. It produces one protein called the delta antigen. It is the base pairing between the tRNA and mRNA that allows for the correct amino acid to be inserted in the polypeptide chain being synthesized (Figure 4). DNA has sugar deoxiribose. Experts are tested by Chegg as specialists in their subject area. RNA has sugar ribose. Proteins are made of amino acids. b-It synthesizes RNA using a DNA template. e. Complementary base pairs are held together with hydrogen bonds. 45 seconds . D) Messenger RNA, transfer RNA, and ribosomal RNA play a role in protein synthesis. Now, we need to convert the nitrogenous bases. Which of the following statements about RNA is not correct? Which one of the following statements about RNA processing is true? DNA and RNA mutate into either harmful or helpful . All are obligate intracellular parasites. RNA or ribonucleic acid is the genetic material of many organisms like viruses. A single-stranded chain of alternating phosphate and ribose units with the bases Adenine, Guanine, Cytosine, and Thymine bonded to the ribose. It does not undergo with the replication of bases. Explanation: Both DNA and RNA are polyanions. tRNA contains unusual bases. Answers (1) Made up of nucleotides consisting of pentose sugar which is ribose, Phosphoric acid and bases (Adenine , Guanine , cytosine and uracil) RNA hence has a double stranded -helix structure. During translation, the amino acid detaches from the transfer RNA molecule and attaches to the end of a growing protein chain when a. the ribosomal RNA anticodon binds to the messenger RNA codon. None of the statements is correct. Group of answer choices. Feedback The correct answer is: Replication occurs as each base is paired with another exactly like it. Exons are cut out before mRNA leaves the nucleus. Options. c). RNA is the product of DNA transcription. In most cases, RNA is single-stranded and not produced complementary base pairing because it is single-stranded. Show Answer And Explanation (a . It has 2-deoxyribose. a). d. 33. 1a.Which of the following is NOT TRUE of RNA polymerase? A Pre-RNA World Probably Predates the RNA World. Problem 2RQ: The structural and function unit of life is (a) a cell, (b) an organ, (c) the organism, (d) a. Sugar utilized in RNA is ribose sugar. b. RNA contains uracil and not thymine. Biology. Which of the following statements about RNA is not correct? Which of the following statements is not true about RNA? Page reference: 122. a. RNA contains ribose and not deoxyribose. DNA contains a sugar named deoxyribose while RNA contains a sugar named ribose. B) It is composed of a triplet code of three bases per codon. Adenine. Which of the following statements is NOT true? Um, another important feature of cordons is that it's Onley in, um Arna. Guanine. mRNA. b. the transfer RNA anticodon . A) If the base sequence of DNA is ATTGCA, the messenger RNA template will be UCCAGU. A pre-mRNA is often much shorter than the final mRNA molecule that leaves from the nucleus D) RNA polymerase has 5′ to 3′ polymerase activity. RNA has the bases adenine, uracil, guanine, cytosine. Answer. e. A primary transcript is often much longer than the final RNA molecule that leaves the nucleus. Feedback: RNA molecules are smaller than DNA. RNA molecules contain the nitrogenous base uracil instead of thymine; However, bases are not part of the RNA or DNA backbone structure. Tags: Question 31 . C : Does not obey Chargaff's rule. Determine whether the following statement is true for gene expression in prokaryotes, eukaryotes, both, or neither: "RNA polymerase binds to the promoter region to begin transcription." View Answer Options. tRNA. RNA splicing can be catalyzed by spliceosomes. Tags: Question 27 . (B) Nucleotides may be added at both ends of the RNA. They help ribosomes attach to the 5' end. (d) Viruses multiply inside living cells using viral mRNA, tRNA and ribosomes. It forms as a media for long-term storage. b. Nucleotides may be added at both ends of the RNA. Open in App. The process by which DNA is copied to two daughter DNA molecules. THE ALKALI METALS. JEE Main 2019: Which of the following statements is not true about RNA ? Questions and Answers. B. RNA is functional is the transmission of the genetic code that is necessary for the protein creation from the nucleus to the ribosome. She has taught science courses at the high school, college, and graduate levels. purine pairs with U mistreatment 2 . D. It controls the synthesis of proteins. C. It produces one protein called the delta antigen. The life cycle of the retrovirus proceeds by the reverse transcription of the RNA genome into double-stranded DNA which is inserted into the host genome . (1) It controls the synthesis of protein (2) IL is present in the nucleus of the cell (3) It usually does not replicate (4) It has always double stranded α-helix structure. Which of the following is NOT directly involved in translation a. Messenger RNA b. Initiation factors c. RNA polymerase d. Transfer RNA e. Ribosomes 22. All viruses are obligatory intracellular parasites: C. All viruses have either DNA or RNA as their genetic material: D. B. A. A) It is exactly the same in all organisms. Both RNA and DNA are double-stranded molecules. SURFACE CHEMISTRY. Correct Answer: Option (A) Solution RNA stands for ribonucleic acid it contains the ribose sugar and has 4 base pairs of adenine, guanine, cytosine and uracil. The correct order of these events is a. Function. STRUCTURE OF ATOM. Q: The Expectation Maximization algorithm has been used to identify conserved domains in unaligned proteins only. A pre-mRNA is often much shorter than the final mRNA molecule that leaves from the nucleus Because double stranded structure always belong to DNA & -helix structure belongs to the secondary structure of proteins. d. RNA splicing can be catalyzed by spliceosomes. (A) Exons are cut out before mRNA leaves the nucleus. B E A C D b. Transfer RNA (abbreviated tRNA) is a small RNA molecule that plays a key role in protein synthesis. Biology. B : Thymine is present. tRNA contains a codon. Verified by Toppr. D. All of the statements are true. The process is known as semi-conservative replication because one old strand is conserved in the new molecule. The function of anticodons is to bring together the correct amino acids to create a protein, based on the instructions carried in mRNA. What are the four ways that RNA differs from DNA? Correct option is C) 1. Which of the following is NOT true of tRNA? b. DNA serves as a template for RNA production. 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