Seeing a whole form, and then beginning to notice new details about individual parts, is an example of top-down processing.
Answer: Option D
<u>Explanation:</u>
When we start observing things the eyes take in the picture of all that is in the surrounding and when concentration is to be given to a particular object the brain at once perceive the information starting from the background narrows its concentration to that particular object.
In simpler terms, we don’t alone see a thing around us but we also get to feel the smell, hear the noise too. When we wanted to concentrate on a particular thing, say a person we think in the brain ,the memory stored correlate it to the particular thing and perceive it to be the person whom you are actually searching for. This information is narrowed down by top-down processing.
Where molecules pass through a semipermable membrane from a less concentrated area into a more concentrated one.
Explanation:
The role of alcohol in DNA extraction is to precipitate DNA into a visible form. Also, it's used in DNA washing and storing
