Answer:
<u><em>The four correct options are:</em></u>
2.) Atoms cannot be created or destroyed.
3.) Atoms cannot be broken down into smaller pieces.
4.) All atoms of an element are identical.
5.) Chemical reactions cause atoms to be rearranged.
Explanation:
Dalton brought forward the theory and descriptions about an atom. According to Dalton, every matter is made up of atoms. He believed that atoms were the smallest part of matter which cannot be broken down.
The atoms of an element are the same whereas every element has different atoms.
When chemical reactions occur, the atoms rearrange so that compounds can be formed. Compounds are made by a combination of different atoms.
The distribution of terrestrial biomes on earth depends mostly on Both temperature and rainfall. Terrestrial biomes are defined in a large part by the plants that live in it. This biome is defined by its climate and dominant vegetation, and includes; grassland, tundra, tropical rain forest, desert and deciduous and coniferous forest.
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Answer:
The correct answer is -
Actin produces thin contractile filaments within muscle cells,
Myosin produces the dense contractile filaments within muscle cells
Explanation:
Actin is a globular protein that makes actin filaments by arranging in the long spiral chain or produces thin contractile filaments within muscle cells. It is found in cell cytoplasm as well as in the nucleus in eukaryotic cells.
Myosin is a motor protein that produces the dense contractile filaments within muscle cells and plays role in generating movement and force from chemical energy.
