Nucleic Acids And Protein Synthesis Quiz

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  • 1/10 Questions

    What is the shape of the DNA called?

    • Double spiral
    • Circular
    • Spiral
    • Double helix
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About This Quiz

What do you know about nucleic acids and protein synthesis? Are you prepared to take the nucleic acids and protein synthesis quiz that we have here made for you? Nucleic acids are known as the main information-carrying molecules of the cell, as well as leading the process of protein synthesis. They make sure the inherited characteristics of every living thing. Let's see what more you know about these questions. All the best!

Nucleic Acids And Protein Synthesis Quiz - Quiz

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  • 2. 

    Carries genetic material can be used for paternity tests and biotechnology crime investigations.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because genetic material, such as DNA, can be used in paternity tests to determine biological relationships between individuals. It can also be used in biotechnology crime investigations to identify suspects or link them to a crime scene through DNA evidence. Therefore, genetic material is valuable in both paternity tests and biotechnology crime investigations.

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  • 3. 

    Which of the following is not a nucleic acid?

    • Amino acid

    • DNA

    • RNA

    • None of these

    Correct Answer
    A. Amino acid
    Explanation
    Amino acid is not a nucleic acid because nucleic acids are macromolecules that store and transmit genetic information, while amino acids are the building blocks of proteins. Nucleic acids, such as DNA and RNA, are composed of nucleotides, which consist of a sugar, a phosphate group, and a nitrogenous base. Amino acids, on the other hand, have a different structure and function, as they are involved in protein synthesis and various metabolic processes in the cell. Therefore, amino acid is not a nucleic acid.

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  • 4. 

    Which one is not found in the structure of the DNA?

    • Phosphate

    • Uracil

    • Thymine

    • None of these

    Correct Answer
    A. Uracil
    Explanation
    Uracil is not found in the structure of DNA. DNA is composed of four nitrogenous bases: adenine (A), cytosine (C), guanine (G), and thymine (T). Uracil (U) is a nitrogenous base that is found in RNA instead of DNA. In RNA, uracil replaces thymine. Therefore, the correct answer is Uracil.

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  • 5. 

    What are the building blocks of protein called?

    • Polypeptide

    • Lipase

    • Amino acid

    • Enzymes

    Correct Answer
    A. Amino acid
    Explanation
    Amino acids are the building blocks of proteins. Proteins are composed of long chains of amino acids that are linked together by peptide bonds. Each amino acid has a specific structure and unique side chain, which determines its properties and function. When these amino acids join together, they form polypeptides, which can then fold into specific three-dimensional structures to create functional proteins. Lipase is an enzyme that breaks down lipids, while enzymes are proteins that catalyze chemical reactions in the body. However, neither lipase nor enzymes are the primary building blocks of proteins.

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  • 6. 

    RNA does not leave the Nucleus, but DNA does.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    This statement is incorrect. DNA does not leave the nucleus, while RNA does. DNA is the genetic material that is stored in the nucleus of a cell and is responsible for storing and transmitting genetic information. RNA, on the other hand, is synthesized from DNA and carries the genetic information from the nucleus to the cytoplasm, where it is used to produce proteins. Therefore, the correct answer is false.

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  • 7. 

    DNA is found in the _________ of a cell.                 

    • Lipase

    • Ribosome

    • Both A & B

    • Nucleus

    Correct Answer
    A. Nucleus
    Explanation
    DNA is found in the nucleus of a cell. The nucleus is the control center of the cell and contains the genetic material, including DNA. Lipase is an enzyme involved in the breakdown of lipids, and ribosomes are involved in protein synthesis. While both lipase and ribosomes are important components of cells, they do not contain DNA. Therefore, the correct answer is nucleus.

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  • 8. 

    How many types of RNA do we have?

    • 1

    • 2

    • 3

    • 4

    Correct Answer
    A. 3
    Explanation
    There are three types of RNA: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). mRNA carries the genetic information from DNA to the ribosomes, where it is used as a template for protein synthesis. tRNA brings amino acids to the ribosomes during protein synthesis. rRNA is a structural component of ribosomes, which are responsible for protein synthesis.

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  • 9. 

    Which one is not part of the Nucleus?

    • Ribosomes

    • Nuclear membrane

    • Nucleolus

    • Chromatin network

    Correct Answer
    A. Ribosomes
    Explanation
    Ribosomes are not part of the nucleus. Ribosomes are small, spherical organelles found in the cytoplasm of cells. They are responsible for protein synthesis and are involved in translating the genetic information stored in the DNA. While the nucleus contains the genetic material of the cell and is surrounded by a nuclear membrane, nucleolus, and chromatin network, ribosomes are located outside of the nucleus in the cytoplasm.

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  • 10. 

    How many codons are required to specify five amino acids?

    • 2

    • 3

    • 5

    • 7

    Correct Answer
    A. 5
    Explanation
    To specify an amino acid, three nucleotides called codons are required. Since we need to specify five amino acids, we would need a total of 5 codons. Each codon consists of three nucleotides, so 5 codons (5 x 3 = 15 nucleotides) would be needed to specify five amino acids. Therefore, the correct answer is 5.

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  • Current Version
  • Nov 30, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 16, 2012
    Quiz Created by
    Bandile
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