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Schach [20]
3 years ago
7

Which of the following describes a function of epithelial cells?

Biology
1 answer:
DerKrebs [107]3 years ago
4 0
Sensing, secretion, protection, transcellular transport, and selective absorbtion
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How does carbon dating tell us how old a bone is ?
Anestetic [448]

carbon dating shows how old a bone is by measuring the amount of carbon 12, and carbon 14 that the bone contains. and because carbon 14 is not replaced by exchange with the atmosphere the ratio of c12:c14 (the ratio of carbon 12 to carbon 14) tells how old the bone is by comparing the amount of carbon 14 to the amount of carbon 12. carbon 14 has a half life of 5,700 years, while carbon 12 is stable and does not radioactively decay at all.

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2 years ago
What is the correct term for splitting an atom to release nuclear energy?
Nataly [62]

The term is the known process that is called "nuclear fission"

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3 years ago
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For energy, a plant breaks apart some of the small sugars it builds. What does the plant do with the rest of its small sugars?
balandron [24]

Answer:

The plant stores them as starch

Explanation:

A typical plant synthesizes sugars from photosynthesis by using water and carbon dioxide.

6CO_2 + 6H_20 + energy --> C_6H_1_2O_6 + 6O_2

Parts of the sugar synthesized via photosynthesis is used to generate energy during respiration. The energy generated is useful for other metabolic processes in the plant's body.

C_6H_1_2O_6 + 6O_2 --> 6CO_2 + 6H_20 + energy

<em>The remaining sugar is utilized in the synthesis of starch and stored in the various tissues of the plant.</em>

6 0
3 years ago
what is the name of the cycle that converts inorganic carbon dioxide into a carbohydrate molecule a plant can use​
mote1985 [20]

Answer:

Photosynthesis.

Explanation:

Photosynthesis is the process by which photosynthetic organisms such as plants and algae turn inorganic carbon compounds (usually carbon dioxide) into organic carbon compounds (usually carbohydrate sugars such as glucose). It causes carbon to move from one reservoir to another; examples are photosynthesis, respiration and combustion.

6 0
3 years ago
Look at the image below. The leaves of the unhealthy plant are yellow. What substance is missing from
Juliette [100K]

Answer:

the substance that they are missing is called chlorophyll, which all green leaves have

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