IB Biology: C2.1-Intracellular receptors and gene expression
Interactive Video
•
Biology
•
12th Grade
•
Practice Problem
•
Easy
Herbert Asiedu-Mante
Used 2+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What characteristic allows many cell signal molecules to cross the cell membrane easily?
They are large protein molecules.
They are small lipid-soluble molecules.
They require active transport.
They are water-soluble ions.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where do small lipid-soluble signal molecules interact with receptor proteins?
Only on the cell surface membrane.
In the cytoplasm or in the nucleus.
Exclusively within the endoplasmic reticulum.
Only outside the cell.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What prevents an intracellular receptor from binding to DNA in its inactive state?
The receptor is located outside the nucleus.
An inhibitor protein occupies the DNA binding site.
The DNA binding site is not yet formed.
The signal molecule is already bound.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens immediately after a signal molecule binds to an intracellular receptor, leading to gene transcription?
The receptor is degraded.
The inhibitor protein is released, exposing the DNA binding site.
The receptor directly synthesizes mRNA.
The cell membrane becomes impermeable.
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