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Vanyuwa [196]
3 years ago
15

1. In the atom, which particles are in constant motion around the nucleus?

Biology
1 answer:
jekas [21]3 years ago
3 0
The answer would be protons
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Purpose of the cell membrane.
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The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.

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Conclude Assess what kinds of traits make invertebrate such a diverse group of animals.
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Invertebrates have a very quick life cycle and die very easily, as a result, they evolve very quickly into many different types of animals. also, they are often very small and their ecosystems are subject to much quicker change than that of vertebrates, meaning that mutations in their genes become relevant more often. Many invertebrates span very large areas (sea animals span most of the oceans, insects span entire continents) and so they evolve to be different species in different places.

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They do not have bones, they live on water or land, they can have soft bodies or exoskeletons, and others are parasites.

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2 years ago
The mechanical stress applied to bones during moderate physical exercise leads to
Vadim26 [7]

Answer;

-Bone tissue becoming stronger.

The mechanical stress applied to bones during moderate physical exercise leads to bone tissue becoming stronger.

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-Bones and muscles both become stronger when muscles push and tug against bones during physical activity.Swimming and bicycling are not weight-bearing activities, so they do not directly help build bones. But swimming and bicycling do help build strong muscles, and having strong muscles helps build strong bones.

-Weight-bearing physical activity causes new bone tissue to form, and this makes bones stronger. This kind of physical activity also makes muscles stronger. Bones and muscles both become stronger when muscles push and tug against bones during physical activity.

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okay if you have seen all of my other questions i just want to say that this is my last one before spring break so if you know t
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4. What are tandem repeats?
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tandem repeat is a microsatellite with repeat units that are 2 to 7 base pairs in length, with the number of repeats varying among individuals, making STRs effective for human identification purposes

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