The battery of your electric toothbrush is running down and so you feel a low-frequency vibration in your oral cavity. Which receptors detect this stimulus?

End bulb

Explanation:

It should be known or understood that the end-bulb is considered to be one of the known small encapsulated bodies which are found or located at the end of sensory nerve fibers. This can be found in the skin, mucous membranes, muscles, and some other areas. It is also called or referred to as the Krause's bulb or corpuscle.

In this case, it the part that is capable of detecting the low frequency of the vibration of the toothbrush.

It can also detect some changes like warmth or cold, depending on the one that is occurring.

a covalent bond, specfically triple bond

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation: