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Svetlanka [38]
3 years ago
5

Need help Plz!!!!

Biology
1 answer:
kotegsom [21]3 years ago
4 0
A teacher writing to a confused student.

bacteria are microscopic (very tiny) organisms that are unicellular (made up of a single cell). One fundamental difference is that bacterial cells lack intracellular organelles, such as mitochondria, chloroplasts, and a nucleus, which are present in both animal cells and plant cells.
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How s a mixture different than a compound
OleMash [197]

Compound: two or more different atoms chemically bonded together. Molecule: two or more different or same atoms chemically bonded together. A mixture: contains two or more substances that are not chemically bonded together Hope this helps!!!!!!

5 0
3 years ago
Why are proteins important to all living things
docker41 [41]
Because carry out all the functions in the human body necessary for living. Proteins make up hormones that are required for living. Insulin - responsible for stabilising blood sugar. Haemoglobin - responsible for carrying oxygen around the body. Melatonin - responsible for helping us get to sleep. Adrenalin - responsible for the flight-fight-freeze response. There are many more but here are just a few.
5 0
3 years ago
The stem cells that give rise to all of the formed elements are called _______ stem cells.
USPshnik [31]
HEMOCYTOBLAST


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4 0
3 years ago
The following anatomical features of the small intestine function to increase the surface area of the intestinal wall and maximi
natulia [17]

Answer:

1) Circular Folds

2) Villi

3) Microvilli.

Explanation:

Small intestine is one of the most important organ of the body and plays n important role in the process of digestion. The dedenum, jejenum and ileum are the parts of small intestine.

The small intestine has villi that helps in increasing the surface area for digestion and absorption. The circular folds has the highest diameter and large in the structure than the villi and microvilli. Microvilli has the smallest structure among the  villi and microvilli.

Thus, the order are option (c), (b) and (a).

4 0
3 years ago
The layer of Earth's atmosphere where atoms and molecules escape into space is referred to as the ____________. A) exosphere B)
Anna71 [15]

Answer:

The layer of Earth's atmosphere where atoms and molecules escape into space is referred to as the exosphere. :)

6 0
4 years ago
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