Podcast
Questions and Answers
Which type of receptor has a catalytic domain on the cytoplasmic side?
Which type of receptor has a catalytic domain on the cytoplasmic side?
What type of receptors change shape when a ligand binds?
What type of receptors change shape when a ligand binds?
What type of ligands can diffuse across the membrane to bind with intracellular receptors?
What type of ligands can diffuse across the membrane to bind with intracellular receptors?
What is the function of ion channel receptors upon binding with acetylcholine?
What is the function of ion channel receptors upon binding with acetylcholine?
Signup and view all the answers
Signal activation of a specific receptor leads to a cellular response mediated by a:
Signal activation of a specific receptor leads to a cellular response mediated by a:
Signup and view all the answers
What is required for a cell to respond to a signal?
What is required for a cell to respond to a signal?
Signup and view all the answers
What type of signaling requires direct contact between the signaling and responding cell?
What type of signaling requires direct contact between the signaling and responding cell?
Signup and view all the answers
What is the role of the membrane in a cell’s response to environmental signals?
What is the role of the membrane in a cell’s response to environmental signals?
Signup and view all the answers
What does allosteric regulation involve in a signal transduction pathway?
What does allosteric regulation involve in a signal transduction pathway?
Signup and view all the answers
What is the purpose of a signal transduction pathway?
What is the purpose of a signal transduction pathway?
Signup and view all the answers
What is the enzyme responsible for RNA synthesis during transcription?
What is the enzyme responsible for RNA synthesis during transcription?
Signup and view all the answers
Which type of RNA polymerase is responsible for the synthesis of mRNA, snRNA, and miRNA in eukaryotic cells?
Which type of RNA polymerase is responsible for the synthesis of mRNA, snRNA, and miRNA in eukaryotic cells?
Signup and view all the answers
How many subunits make up the core enzyme of prokaryotic RNA polymerase responsible for elongation during transcription?
How many subunits make up the core enzyme of prokaryotic RNA polymerase responsible for elongation during transcription?
Signup and view all the answers
What is the function of the promoter sequence in prokaryotic transcription?
What is the function of the promoter sequence in prokaryotic transcription?
Signup and view all the answers
What happens after the synthesis of 10 RNA nucleotides during the elongation phase of prokaryotic transcription?
What happens after the synthesis of 10 RNA nucleotides during the elongation phase of prokaryotic transcription?
Signup and view all the answers
What is the role of TFIIF in elongation of eukaryotic mRNA?
What is the role of TFIIF in elongation of eukaryotic mRNA?
Signup and view all the answers
What is the function of the 5' cap added to pre-mRNA during maturation?
What is the function of the 5' cap added to pre-mRNA during maturation?
Signup and view all the answers
What is the significance of the poly-A tail added to the 3' end of mRNA?
What is the significance of the poly-A tail added to the 3' end of mRNA?
Signup and view all the answers
What are introns and exons in the context of mRNA processing?
What are introns and exons in the context of mRNA processing?
Signup and view all the answers
What is the role of enhancers in gene regulation?
What is the role of enhancers in gene regulation?
Signup and view all the answers
