Test Your Life Science Knowledge!

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| By Chen2001md
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Quizzes Created: 1 | Total Attempts: 1,298
| Attempts: 1,299
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  • 1/10 Questions

    For adherent cells, adhesion provides a signal for cells to do which of the following?

    • Grow and divide
    • Transduce differentiation signals
    • Enhance survival
    • All of the above
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About This Quiz

Let's have some fun! To celebrate our 20th Anniversary, OriGene wants to test your life science knowledge! We have created a quiz for you. If you answer all questions correctly, you will automatically enter to win an OriGene 20th Anniversary T-shirt and a $10 Amazon gift card! We will randomly select 50 winners! Quiz ends on Sunday, November 20, 2016.

Test Your Life Science Knowledge! - Quiz

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  • 2. 

    Cell culture is in vitro because (choose the best answer)?

    • Cells are not touching each other

    • Interactions with other cell types and 3D interactions are lost

    • Cells have lost some proteins

    • Changes occur in the cell membrane

    Correct Answer
    A. Interactions with other cell types and 3D interactions are lost
    Explanation
    in vitro studies are performed with microorganisms, cells, or biological molecules outside their normal biological context.

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  • 3. 

    TrueORF Gold ORF clones are the only expression validated cDNA clones.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    TrueORF Gold is OriGene’s collection of premium cDNA clones that have passed the ultimate tests: sequence verification and protein expression validation.

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  • 4. 
    Lentiviruses are a subclass of which virus strain? - ProProfs

    Lentiviruses are a subclass of which virus strain?

    • Retroviruses

    • Adenoviruses

    • Adeno-associated Viruses

    • Herpes Viruses

    Correct Answer
    A. Retroviruses
    Explanation
    Lentivirus is a genus of viruses of the Retroviridae family, characterized by a long incubation period.

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  • 5. 

    What does "CRISPR" stand for?

    • Clustered Regularly Interdependent Short Palindromic Repeats

    • Clustered Regularly Interference Short Palindromic Repeats

    • Clustered Regularly Interspaced Short Palindromic Repeats

    • Clustered Regularly Interspaced Short Polymer Repeats

    Correct Answer
    A. Clustered Regularly Interspaced Short Palindromic Repeats
    Explanation
    CRISPR stands for Clustered Regularly Interspaced Short Palindromic Repeats, which are the hallmark of a bacterial defense system which forms the basis for the popular CRISPR-Cas9 genome editing technology.

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  • 6. 

    In what year is OriGene Technologies founded as a research tool company?

    • 1994

    • 1995

    • 1996

    • 1999

    • 2001

    Correct Answer
    A. 1996
    Explanation
    OriGene Technologies was founded as a research tool company to focus on the creation of the largest commercial collection of full-length human cDNAs in a standard expression vector.

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  • 7. 

    Which of the following are key features of OriGene's recombinant human proteins? (Select all that apply)

    • Broadest Coverage

    • Optimal preservation of protein structure, post-translational modifications and functions

    • Diverse product formats

    • Large scale production available

    Correct Answer(s)
    A. Broadest Coverage
    A. Optimal preservation of protein structure, post-translational modifications and functions
    A. Diverse product formats
    A. Large scale production available
    Explanation
    All are key features for OriGene's recombinant human proteins. For details, visit http://www.origene.com/Protein/

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  • 8. 

    What genes control transgene packaging during lentiviral transduction?

    • Vif, vpr, and vpu

    • Env, nef, and pol

    • Rev, gag, and pol

    Correct Answer
    A. Rev, gag, and pol
    Explanation
    Lentiviral vectors are derived from HIV. 3rd generation lentiviral systems have reduced the number of HIV genes required for transgene delivery to 3, rev, gag, and pol, improving the biosafety of the system.

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  • 9. 

    Which of the following products does OriGene offer? (Check All that apply)

    • CDNA Clones

    • CRISPR

    • Antibodies

    • Recombinant Human Proteins

    • Human Cancer and Normal Tissue

    • ShRNA

    Correct Answer(s)
    A. CDNA Clones
    A. CRISPR
    A. Antibodies
    A. Recombinant Human Proteins
    A. Human Cancer and Normal Tissue
    A. ShRNA
    Explanation
    OriGene offers all these products!

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  • 10. 

    What cell types can lentiviral vectors infect? (Check all that apply)

    • Non-dividing cells only

    • Actively dividing cells

    • Quiescent cells

    Correct Answer(s)
    A. Non-dividing cells only
    A. Actively dividing cells
    Explanation
    Lentiviruses can infect non-dividing and actively dividing cells. They are one of the most efficient methods of a gene delivery vector. The only cells lentiviruses cannot gain access to are quiescent cells (in the G0 state) because this blocks the reverse transcription step.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 18, 2016
    Quiz Created by
    Chen2001md
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