Answer:
A <u><em>receptor</em></u> is a protein that recognizes and responds to a signal.
Explanation:
A receptor is a protein molecule present on the cells on which the signalling molecules can bind and generate a physiological response. Some receptor molecules can also respond to Sun and light. Each type of cell has specific receptors molecules and hence can respond to specific signals. The receptor molecules hence tend to receive signals for a cell. Molecules such as hormones bind to the receptors.
<span>The hyphal walls are made of a substance called ... They have cells walls made of chitin, reproductive cells i think its true</span>
It will be Control. Part of the experiment used to show that the results of an experiment is really due to the conditions being tested.
