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Licemer1 [7]
3 years ago
7

How does a synthetic sponge mimic a live sponge to pick up dirt?

Biology
2 answers:
dalvyx [7]3 years ago
6 0
The component would be known as a microfiber.
xenn [34]3 years ago
6 0

Answer:

Sponge consists of cellulose that absorbs water or any other fluid and retain it in itself until unless it is squeezed.

Explanation:

Artificial sponges are made up of cellulose extracted from plants and trees. They work exactly the same way a natural sponge work by absorbing any fluid and then expanding to store the absorbed fluid which is not allowed to flow back until unless it is squeezed. An artificial cellulose is made up of cellulose, sodium sulphate and hemp fiber.

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Investigator Benton uses several methods to analyze hair samples found at the crime scene. He examines the physical features of
Diano4ka-milaya [45]

Answer:

Medulla.

By analyzing the DNA extracted from the hair follicle, the medullary index and the pattern of medulla in the hair samples obtained from a crime scene, an investigator can identify the owner.

Explanation:

The hair consists of follicle and shaft. The follicle is the part of the skin, where the hair grows and the hair shaft has three layers: an inner medulla,  a cortex, and an outer cuticle.

The morphology (physical characteristics) of hair provides a broad detail on the racial background of  an individual and an investigator can identify a  group of people who share similar  traits. But the hair without follicle cells attached to it, cannot  be used to identify a specific individual. If the follicle of a hair is present, then it can lead to individual identification by DNA analysis. Also the medulla of animals is larger than that in the humans. By comparing the medullary index (the ratio of the diameter of the medulla to the diameter of the entire  hair), it can be determined if the hair obtained from crime scene belongs to animals or humans. The macroscopic (length, color, and curliness) and  microscopic characteristics ( pattern of the medulla, pigmentation of  the cortex, and types of scales on the cuticle) of the hair samples are studied during a crime investigation. If the entire hair follicle (follicular tag) is present in the hair samples found at the crime scene, the blood and tissue attached to  the follicle is extracted and analyzed using DNA profiling. DNA analysis of the hair follicle provides  an identification with greater accuracy than the hair shaft.

6 0
4 years ago
Collections of nerve cell bodies inside the cns are called:
Nataly_w [17]
Collections of nerve cell bodies inside the CNS are called nuclei
6 0
3 years ago
When atatement is most likely a scientific law?​
iren2701 [21]

Answer:

A scientific law is a statement based on repeated experimental observations that describes some aspect of the universe

Explanation:

hope this helps you please mark me as brainliest

7 0
3 years ago
What's the life cycle of an organism?
Anettt [7]
In biology, a life cycle<span> is a series of changes in form that an </span>organism<span> undergoes, returning to the starting state. "The concept is closely related to those of the </span>life<span>history, development and ontogeny, but differs from them in stressing renewal."</span>
5 0
3 years ago
A new life form was discovered on Mars, one based upon Silicon instead of Carbon. Explain what properties Silicon has that allow
Vesna [10]

Group IV of the Periodic Table of the Elements contains carbon (C), silicon (Si) and several heavy metals. Carbon, of course, is the building block of life as we know it. So is it possible that a planet exists in some other solar system where silicon substitutes for carbon? Several science fiction stories feature silicon-based life-forms--sentient crystals, gruesome golden grains of sand and even a creature whose spoor or scat was bricks of silica left behind. The novellas are good reading, but there are a few problems with the chemistry.

<span>
CRYSTALLINE CREATURES? Silicon can grow into a number of lifelike structures, but its chemistry makes it unlikely that it could be the basis for alien life-forms.</span>

Indeed, carbon and silicon share many characteristics. Each has a so-called valence of four--meaning that individual atoms make four bonds with other elements in forming chemical compounds. Each element bonds to oxygen. Each forms long chains, called polymers, in which it alternates with oxygen. In the simplest case, carbon yields a polymer called poly-acetal, a plastic used in synthetic fibers and equipment. Silicon yields polymeric silicones, which we use to waterproof cloth or lubricate metal and plastic parts.

3 0
3 years ago
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