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wlad13 [49]
3 years ago
6

What is a cell? How are they different from atoms?

Biology
1 answer:
Lapatulllka [165]3 years ago
4 0

Explanation:

Cells are the basic building blocks of all living things. The human body is composed of trillions of cells.

cells are bigger than atoms. We can see cells with a microscope. Just as atoms have smaller parts called protons, neutrons, and electrons, cells have smaller parts, too. When you look at cells with a powerful microscope, you can clearly see hundreds of them.

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What is the most reliable source of dietary fluoride?
AysviL [449]

Answer;

Public water

Public water is the most reliable source of dietary fluoride.

Explanation;

Fluorine is essential for the normal mineralization of bones and the formation of dental enamel. The biggest percent (about 96%) of the Fluoride in the body is found in bones and teeth. In Teeth, Fluoride becomes incorporated into the crystalline structure of teeth, making them less susceptible to decay.

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3 years ago
Which part of a scientific argument must be supported by valid data
Cloud [144]
<span>The answer is valid data. A scientific argument utilizes confirmation to present a defense for whether a logical thought is precise or erroneous. The desires created by a logical thought and the genuine perceptions significant to those desires from what we'll call a logical contention.</span>
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Describe one way in which osmosis is similar to simple diffusion and one way in which it is different.
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Water or other molecules move down their concentration gradient without any energy.........

difference - simple diffusion uses help of transporting protein in the membrane whereas osmosis uses no help.
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3 years ago
Food travels directly from the stomach to the _____.
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<span>Food enters the duodenum- first part of the small intestine. </span>
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An assault has been committed, and the victim is bleeding profusely. You do a quick blood test and find the following result. Pr
MissTica

From the test results, the victim is O+. The clumping indicates the presence of a rhesus factor.

There are four human blood groups which are;

  • A
  • B
  • AB
  • O

A person can have any of these blood groups. Those who have blood group O lack antigens A and B in blood hence they do not agglutinate in a blood test with antibodies A and B.

Also, the fact that there is clumping in the rhesus test indicates that the blood is rhesus positive.

Learn more: brainly.com/question/5624100

4 0
3 years ago
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