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This quiz contains 8 questions from a mix of 1 subtopics.
What are transcription factors?
proteins that bind to specific RNA sequences
proteins that bind to specific DNA sequences
proteins that bind to RNA sequences
proteins that bind to any DNA sequence
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What role do transcription factors play in gene expression?
they control the replication of DNA
they control the translation of mRNA into proteins
they control the transcription of genes into mRNA
they have no role
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What happens when a gene is 'switched off'?
transcription factors bind to DNA
transcription factors cannot bind to DNA
transcription factors cannot bind to RNA
transcription factors bind to RNA
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Describe the process by which steroid hormones regulate transcription.
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What happens to the transcription factor when it binds to a steroid hormone?
it enters the nucleus
it deactivates
it binds to specific DNA sequences
it changes shape and activates
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What type of hormones can regulate transcription?
non-steroid hormones
amino acid hormones
steroid hormones
peptide hormones
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What does the binding of steroid hormones to receptors on transcription factors result in?
the deactivation of the steroid hormone
the activation of the transcription factor
the deactivation of the transcription factor
the activation of the steroid hormone
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How do steroid hormones regulate transcription?
by binding to receptors on RNA polymerase
by binding to receptors on DNA polymerase
by binding to receptors on transcription factors
by binding to receptors on ribosomes
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