Quiz On The Terms Of Biotechniques

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| By Eric James
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Eric James
Community Contributor
Quizzes Created: 1 | Total Attempts: 455
| Attempts: 455
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  • 1/8 Questions

    1.      Why do we have to make a complementary DNA? Why not just use mRNA?

    • Because our sample is DNA.
    • It’s because that’s the result and we can’t do anything about it.
    • DNA is much more stable than RNA.
    • None of the above.
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About This Quiz

The term “biotechnique” is given to any form of technique used in the study of biotechnology – i. E. The exploitation of biological processes for industrial and other processes. What do you know about these techniques? Let’s find out!

Biotechnology Quizzes & Trivia

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  • 2. 

    1.      A process where two complementary DNA strands from different sources can pair with one another.

    • Translation

    • Transcription

    • Hybridization

    • Synthesis

    Correct Answer
    A. Hybridization
    Explanation
    Hybridization refers to a process in which two complementary DNA strands from different sources can pair with one another. This can occur when single-stranded DNA or RNA molecules bind to their complementary sequences. Hybridization is commonly used in molecular biology techniques such as DNA sequencing, polymerase chain reaction (PCR), and DNA microarray analysis. It allows scientists to study and manipulate DNA by creating hybrid molecules that contain genetic information from different sources.

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  • 3. 

    1.      A handy tool for determining the differences between two cell types.

    • DNA Extraction

    • DNA Microarray

    • Gel Electrophoresis

    • Polymerase Chain Reaction

    Correct Answer
    A. DNA Microarray
    Explanation
    A DNA microarray is a handy tool for determining the differences between two cell types. It allows researchers to compare the expression levels of thousands of genes simultaneously. By using DNA probes that are specific to different genes, the microarray can detect and measure the amount of mRNA present in each cell type. This information can then be used to identify genes that are differentially expressed between the two cell types and gain insights into their functional differences.

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  • 4. 

    1.      A type of RNA that always end in a sequence of adenines.

    • Messenger RNA (mRNA)

    • Transfer RNA (tRNA)

    • Ribosomal RNA (rRNA)

    • None of the above

    Correct Answer
    A. Messenger RNA (mRNA)
    Explanation
    Messenger RNA (mRNA) is a type of RNA that carries genetic information from DNA to the ribosomes in the cytoplasm. It is synthesized in the nucleus and contains a poly-A tail at its 3' end, which is a sequence of adenines. This poly-A tail helps to stabilize the mRNA molecule and regulate its stability and translation efficiency. Therefore, mRNA is the correct answer as it is the only type of RNA that always ends in a sequence of adenines.

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  • 5. 

    1.      Substance used to wash RNA which will only bind to RNA strands that have a poly-A tail.

    • Buffer Solution

    • Columns with Oligo-dT beads

    • Solvent Solution

    • Microarray Washing Solution

    Correct Answer
    A. Columns with Oligo-dT beads
    Explanation
    Columns with Oligo-dT beads are used to wash RNA because they have a poly-A tail. The poly-A tail is a sequence of adenine nucleotides that is added to the 3' end of mRNA during post-transcriptional processing. The Oligo-dT beads have a sequence of thymine nucleotides that can bind specifically to the poly-A tail of mRNA. By washing the RNA sample with these beads, only the RNA strands that have a poly-A tail will bind to the beads, allowing for the isolation and purification of mRNA from the sample.

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  • 6. 

    1.      A key property of DNA.

    • Double stranded

    • Sugar

    • Phosphates

    • Complementary base pairing

    Correct Answer
    A. Complementary base pairing
    Explanation
    Complementary base pairing is a key property of DNA. This refers to the specific pairing of nucleotide bases, where adenine (A) always pairs with thymine (T), and guanine (G) always pairs with cytosine (C). This pairing is essential for DNA replication and transcription, as it ensures that the genetic information is accurately transferred. The complementary base pairing also allows for the formation of the DNA double helix structure, where two strands of DNA are held together by hydrogen bonds between the paired bases.

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  • 7. 

    1.      Which among the following is not a component of labeling mix?

    • Poly-T primers

    • Oligo-dT beads

    • Reverse transcriptase

    • Labeled nucleotides

    Correct Answer
    A. Oligo-dT beads
    Explanation
    Oligo-dT beads are not a component of labeling mix. The labeling mix typically consists of Poly-T primers, reverse transcriptase, and labeled nucleotides. Oligo-dT beads are used for isolating and purifying mRNA, but they are not directly involved in the labeling process.

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  • 8. 

    1.      A material used to analyze the date from microarray.

    • Microarray Database

    • Microarray Scanner

    • Microarray Microscope

    • All of the above

    Correct Answer
    A. Microarray Microscope
    Explanation
    A microarray microscope is a tool used to analyze the data from a microarray. It is specifically designed to visualize and capture images of the microarray slide, allowing researchers to examine the patterns and intensity of gene expression. This microscope is equipped with high-resolution optics and advanced imaging software to accurately interpret the data and provide valuable insights into gene expression levels. It is an essential instrument in the field of genomics and plays a crucial role in understanding the complex biological processes.

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  • Current Version
  • Mar 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 14, 2009
    Quiz Created by
    Eric James
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