Welcome to the Quiz!
This quiz contains 7 questions from a mix of 1 subtopics.
What are transcription factors?
proteins that bind to any DNA sequence
proteins that bind to specific RNA sequences
proteins that bind to RNA sequences
proteins that bind to specific DNA sequences
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What role do transcription factors play in gene expression?
they control the transcription of genes into mRNA
they have no role
they control the translation of mRNA into proteins
they control the replication of DNA
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What happens when a gene is 'switched off'?
transcription factors cannot bind to DNA
transcription factors bind to DNA
transcription factors cannot bind to RNA
transcription factors bind to RNA
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What is the role of DELLA proteins?
they promote the binding of RNA polymerase to DNA
they inhibit the binding of RNA polymerase to DNA
they inhibit the binding of transcription factors to DNA
they promote the binding of transcription factors to DNA
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What is the result of the breakdown of DELLA proteins?
it prevents transcription factors from binding to DNA
it prevents RNA polymerase from binding to DNA
it allows RNA polymerase to bind to RNA
it allows transcription factors to bind to DNA
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How does gibberellin aid in the synthesis of the enzyme amylase?
by inhibiting the breakdown of DELLA proteins
by promoting the synthesis of DELLA proteins
by inhibiting the synthesis of DELLA proteins
by promoting the breakdown of DELLA proteins
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What is the role of the hormone gibberellin in plant germination?
it promotes the synthesis of the enzyme protease
it inhibits the synthesis of the enzyme amylase
it inhibits the synthesis of the enzyme protease
it promotes the synthesis of the enzyme amylase
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