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Ber [7]
3 years ago
8

What is the chemical formula for a molecule containing six hydrogen, three oxygens and four carbons?

Biology
1 answer:
Anettt [7]3 years ago
5 0
D is the answer.

Formula A and B are written incorrectly.
Formula C has 4 carbons, 5 hydrogens and 3 oxygens.

Mark as brainliest if this helped! :)
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Answer:

Flatworms are beings that do not have a heart, veins, arteries, capillaries, hemolymph, or some type of circulatory fluid. Their circulation occurs between cells or intercellularly and they are responsible for transporting substances by diffusion from cell to cell.

Explanation:

Flatworms are considered multicellular eukaryotic organisms. This implies that in their cells they have a cellular nucleus, in which the DNA is contained, structuring the chromosomes. Likewise, they are made up of several types of cells, each one specialized in a specific function. They lack a structured circulatory system as such. Because of this they do not have specialized structures such as a heart or blood vessels, however, the circulation of certain substances is established between their cells. This is done thanks to the diffusion process. Substances pass from one cell to another through this process.This does not apply to all flatworms, since in some species of bog and digenae there is a certain organization and some very small conducting vessels known as the endolymphatic system, the which forms a kind of plexus in the parenchyma.It should also be noted that some species do not even have a digestive system, being the digestive tract the one in charge of digestive functions and the distribution of the nutrients they receive.

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Sever21 [200]
When the parents reproduce, they pass on traits to their offspring
8 0
3 years ago
What is it called when a oceanic and continental crust come together?​
scoray [572]

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A nonpregnant woman requires 46 grams of protein per day. how many grams per day would she need if she became pregnant?
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Hope it helps!
8 0
3 years ago
Select the true statements about the electron transport chain.
almond37 [142]

Answer: A. In the electron transport chain, a series of reactions move electrons through carriers.

B. The products of the electron transport chain are H2O and either NAD or FAD.

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the best suitable statement is it transfers energy stepwise from one compound to another, The electron transport chain is a series of proteins and organic molecules found in the inner membrane of the mitochondria. Electrons are transferred from one member of the transport chain to another in a series of redox reactions.

5 0
3 years ago
Read 2 more answers
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