Option A is correct. Your olfactory nerve is the first cranial nerve (CN I). It's also section of your autonomic apprehensive system, which regulates physique functions. This nerve enables your feel of smell.
<h3>What are olfactory signals?</h3>
Listen to pronunciation.  A sequence of occasions in which cells in the nose bind to scent-bearing molecules and send electrical indicators to the talent where they are perceived as smells.
<h3>What is an example of olfactory?</h3>
The excellent smell of spring flowers, for example, may be considered an "olfactory delight." A associated word, olfaction, is a noun referring to the experience of scent or the act or procedure of smelling.
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Answer:
Homology is a study of similar characters found in two species because of common ancestry.
Explanation:
1.Morphological homology: Species placed under same taxonomic category exhibit similar anatomical structures.
2.Ontogenetic homology: Species belongs to same taxonomic category embryological similarities
3.Molecular homology: Species show molecular similarities such as DNA,RNA and protein
An example of homology is seen in the skeletal strycture of vertebrates. That is arm of a human,leg of a cat,fin of a whale and wing of a bat.
 
        
             
        
        
        
One possible result of chromosomal breakage is for a fragment to join a nonhomologous chromosome. What is this type of chromosomal alteration called <u>translocation.</u>
A chromosomal fragment is translocated when it is moved from one genomic sequence to another. Around two nonhomologous chromosomes, a translocation mechanism takes place in order to permit the interchange of fragments created by chromosomal breakage.
When a segment of one chromosome separates and affixes towards another chromosome, translocation takes place. If there is neither genetic material growth nor loss in the cell, such a form of rearrangement would be referred to as balanced.
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The vacuole usually acts as storage for materials needed by the cell.