NEET
- Exam
- NEET
- Subject
- Chemistry
- Chapter
- Chemistry in Everyday Life
NEET · Chemistry · Chemistry in Everyday Life
How are receptor proteins embedded in the cell membrane oriented?
How are receptor proteins embedded in the cell membrane oriented?
Options
- ATheir active sites point toward the cytoplasm.
- BTheir active sites point toward the nucleus.
- CTheir active sites point toward the mitochondria.
- DTheir active sites project out of the surface of the membrane.
Correct answer
D. Their active sites project out of the surface of the membrane.
Step-by-step solution
The receptor proteins are embedded in the cell membrane in such a way that their small part possessing an active site projects out of the surface of the membrane.