Answer:
Movement of the tympanic membrane causes displacement of the malleus.
Movement of the malleus causes movement of the incus and stapes.
Movement of the oval window establishes pressure waves in the perilymph of the vestibular duct
The pressure wave distorts the basilar membrane on its way to the round window
Distortion of the basilar membrane forces the hair cells of the organ of Corti toward or away from the tectorial membrane
Displacement of the stereocilia stimulates sensory neurons of the cochlear nerve.
The different frequency sound waves are relay as action potential to the auditory center of the brain.The brain analysis these, based on the frequencies received.This may Interpreted as high pitch, or low pitch sounds.
Explanation:
Answer:
Bacteria and protozoa are the examples of unicellular organisms.
Explanation:
Unicellular are the organisms which madeup of single cell such as bacteria and protozoa. Bacteria are prokaryotic organisms i. e. no true nucleus. Some bacteria make their own food from photosynthesis and some bacteria are parasites and other are decomposers.
Protozoa are eukaryotic organisms which are heterotrophic in nature i. e. feed on other organisms. Amoeba and paramecium are the examples of protozoa.
Insertion or
of genes to produce desired proteins.
Answer:
All cells are made from the same major classes of organic molecules: nucleic acids, proteins, carbohydrates, and lipids.
Explanation:
