A receptor
Explanation:
A protein that detects a signal molecule and performs an action in response is called a receptor protein.
- These are proteins in a target cell or sometimes found on the surface.
- They receive chemical signals.
- These chemical signals are usually in form of ligands.
- These proteins facilitates communication between cells.
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B............................................. is the answer
The mitosis cycle first starts in the G1 phase, then the S phase, and finally the G2 phase.
Answer:
i think its d
Explanation:
These four basic forces are known as fundamental because they alone are responsible for all observations of forces in nature. The four fundamental forces are gravity, electromagnetism, weak nuclear force, and strong nuclear force.
Yes, the human body is an ecosystem too in the end. We have that around 3.5 kg of microorganisms inside us.Most of them are indifferent to our existence and are hitchhikers on a ride or have minimal consequences on us. Some of them want to harm us and are called pathogens. Viruses and other pathogens are dependent on our cells in order to multiply and propagate themselves. Finally, there are also vacteria that benefit us; many studies have showcased that the bacterial communities in our stomach can help prevent various diseases and also attack some invaders. In this case, since the bacteria feed on us, both parties benefit and this relationship of interdpendence is called symbiosis.
