To Help People Study For Biology.

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  • 1/8 Questions

    Where is DNA found

    • Nucleus
    • Arms
    • Vacuoles
    • Chloroplast
    • Mitochondria
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About This Quiz

Biology has never been an easy topic to master. The subject matter covers such a broad range of different aspects regarding life that it’s almost impossible to learn it all off – that’s where we come in! We’ve comprised a list of questions to help you study for biology and remember some of the vital pieces of information you’ll come across. Think you can get all the questions correct?

To Help People Study For Biology. - Quiz

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  • 2. 

    The accumulation of specific antibodies in the plasma, due to the introduction of an antigene, is characteristic of

    • Immune response

    • Angina pectoris

    • Cerebral paulsy

    • Ciribary thrombios

    Correct Answer
    A. Immune response
    Explanation
    The accumulation of specific antibodies in the plasma is a characteristic of the immune response. When an antigen is introduced into the body, it triggers the immune system to produce antibodies that specifically target and neutralize the antigen. These antibodies then accumulate in the plasma, ready to defend against future exposures to the same antigen. This process is a fundamental aspect of the immune response and plays a crucial role in protecting the body against infections and diseases.

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  • 3. 

    DNA "scissors" used in the production of rDNA are called

    • Nucleotides

    • Restriction dna enzymes

    • Messanger RNA

    • Transcription

    Correct Answer
    A. Restriction dna enzymes
    Explanation
    The correct answer is restriction DNA enzymes. Restriction DNA enzymes, also known as restriction endonucleases, are enzymes that can recognize specific DNA sequences and cut the DNA at those sites. These enzymes are commonly used in the production of recombinant DNA (rDNA) because they can be used to cut DNA molecules at specific locations, allowing for the insertion of foreign DNA into the cut sites. This process is essential in genetic engineering and the creation of rDNA molecules. Nucleotides, messenger RNA, and transcription are not directly related to the "scissors" used in rDNA production.

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  • 4. 

    The process in which RNA is made is called what?

    • Translation

    • Transcription

    • Messenger

    Correct Answer
    A. Transcription
    Explanation
    Transcription is the process in which RNA is made. It involves the synthesis of RNA molecules using a DNA template. During transcription, an enzyme called RNA polymerase binds to the DNA and separates the two strands. It then uses one of the DNA strands as a template to synthesize a complementary RNA molecule. This newly synthesized RNA molecule is then released, and it can go on to perform various functions within the cell. Therefore, transcription is the correct answer to the question.

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  • 5. 

    What type of bond joins the nitrogen carrying bases in a DNA molecule?

    • Hydrogen bonds

    • Amino acids

    • Peptide bonds

    • Codons

    Correct Answer
    A. Hydrogen bonds
    Explanation
    Hydrogen bonds join the nitrogen carrying bases in a DNA molecule. These bonds form between the nitrogenous bases adenine (A) and thymine (T), as well as between guanine (G) and cytosine (C). Hydrogen bonds are relatively weak compared to covalent bonds, but they play a crucial role in stabilizing the DNA structure by holding the two strands of the double helix together. This allows for the replication and transcription of DNA, as well as the accurate transmission of genetic information during cell division.

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  • 6. 

    Another name for protein synthesis is

    • Transcription

    • Translation

    • Messanger

    • Nucleotides

    Correct Answer
    A. Translation
    Explanation
    Protein synthesis is the process by which cells generate new proteins. It involves two main steps: transcription and translation. Transcription is the process of copying the DNA sequence into a messenger RNA (mRNA) molecule. On the other hand, translation is the process of converting the mRNA sequence into a specific amino acid sequence, which forms the protein. Therefore, the correct answer is "translation" because it accurately represents the step in protein synthesis where the mRNA sequence is translated into a protein.

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  • 7. 

    Which is a characteristic of lymph nodes?

    • Carry blood under great pressure

    • Move fluids by means of a muscular pump.

    • They produce new red blood cells

    • Contain phagocytotic cells

    Correct Answer
    A. Contain phagocytotic cells
    Explanation
    Lymph nodes are small, bean-shaped organs that are part of the lymphatic system. They play a crucial role in filtering and trapping harmful substances, such as bacteria and viruses, from the lymph fluid. This process is carried out by phagocytic cells, which are specialized immune cells that engulf and destroy foreign particles. Therefore, the characteristic of lymph nodes mentioned in the answer, "contain phagocytotic cells," is correct.

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  • 8. 

    DNA "tape" used in the production of rDNA is called

    • DNA LYGOSE

    • DNA TRANSCRIPTION

    • DNA TRANSLATION

    • MESSANGER RNA

    Correct Answer
    A. DNA LYGOSE
    Explanation
    The correct answer is DNA LYGOSE. However, there is no such term as "DNA LYGOSE" in biology or genetics. It is likely that this answer choice is incorrect or misspelled.

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Quiz Review Timeline (Updated): Mar 16, 2022 +

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  • Current Version
  • Mar 16, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 17, 2008
    Quiz Created by
    Needbiologyhelp

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