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tangare [24]
3 years ago
6

What is a ecosystem?​

Biology
2 answers:
romanna [79]3 years ago
3 0

Its is something that girl is my dream pet two

Explanation:

Nuetrik [128]3 years ago
3 0

Answer: A biological community of interacting organisms and their physical environment. Hope this helps! :) brainliest?

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which statements are true of an inhibitor that binds the active site of an enzyme? select all that apply.
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Why does ice cream placed in a plastic cooler melt slower than ice cream placed in a metal pot?
dmitriy555 [2]

Answer: B

Explanation:

Because Metal is a poor conductor of heat the inside of a plastic container is insulated and the ice cream will stay cooler longer

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The human body is composed of approximately 60% of water.<br> a. true<br> b. fale
Step2247 [10]

Yes, the human body is composed of approximately 60% of water. The given statement is true.

Water is essential for human health and for the survival of life on earth.

It keeps them alive, stale and healthy by providing oxygen and chief nutrients to the body.

It lubricates joints, knees and also removes waste materials from the kidney, and keeps them clean.

In adult humans, there is approximately 60% of water in their bodies.

The concentration of water is more in lean tissues than in fat tissues.

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1 year ago
Match the call structure with the best description. Each cell structure matches with exactly one description.
Makovka662 [10]

Answer:

Please find the cell structure with their best descriptions below

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1. Capsule: Capsules are one of the Glycocalyx that firmly attaches to the cell surface and helps the cell avoid phagocytosis.

2. Slime layer: Slime layer is the other Glycocalyx that is loosely attached to the cell surface and helps the cell prevent dessication.

3. Flagella: The flagella is a long whip-like cell structure found in bacteria and some protists and principally used for moving.

4. Conjugation pilus: Conjugation pilus is a cell structure in bacteria that is used to transfer DNA to another bacteria cell.

5. Fimbriae: Fimbriae is a short, bristle-like protein that project from cell surface and help cells attach to surfaces of other cells.

6. Cell wall: Cell wall is a cellular structure found in plant cell and bacteria cells, whose function is to protect cells from harsh conditions and helps maintain cell shape.

7. Cell membrane: The cell membrane controls passage of substances into and out of the cell.

8. Cytoplasm: The cytoplasm is a gelatinous material found inside the cell.

9. Inclusions: Inclusions are structures in cells that formed from the deposits of nutrients.

10. Endospores: Endospores are structures that protect bacterial genome in a dormant state under adverse environmental condition.

11. Ribosomes: Ribosomes are organelles in a cell that makes polypeptide (protein).

12. Mycolic acid: Mycolic acid is a waxy molecule (long fatty acid chain) that is found in some gram positive bacteria and associated with their cell wall.

13. Nucleoid: A nucleoid is a region in prokaryotic cell where chromosomal DNA and DNA-associated proteins are concentrated.

14. Pili: Pili is similar to the Fimbriae but longer and contain less numerous protein appendages than fimbriae used in attachment.

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