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vfiekz [6]
3 years ago
8

Cytoplasm is a mixture of what two things?

Chemistry
1 answer:
alexira [117]3 years ago
6 0

In cell biology, the cytoplasm is the material or protoplasm within a living cell, excluding the cell nucleus. It comprises cytosol (the gel-like substance enclosed within the cell membrane) and the organelles – the cell's internal sub-structures. All of the contents of the cells of prokaryote organisms (such as bacteria, which lack a cell nucleus) are contained within the cytoplasm. Within the cells of eukaryote organisms the contents of the cell nucleus are separated from the cytoplasm, and are then called thenucleoplasm. The cytoplasm is about 80% water and usually colorless.[1]

It is within the cytoplasm that most cellular activities occur, such as many metabolic pathways including glycolysis, and processes such as cell division. The concentrated inner area is called the endoplasm and the outer layer is called the cell cortex or theectoplasm.

Movement of calcium ions in and out of the cytoplasm is a signaling activity for metabolic processes.[2]

In plants, movement of the cytoplasm around vacuoles is known as cytoplasmic streaming.

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Consider the chemical equation for the production of water: 2 H2+O2→2 H2O. If 100 grams of oxygen gas are used, what would the p
Cerrena [4.2K]

Answer:

The percentage yield of water is 66.67%.

Explanation:

2H_2+O_2\rightarrow 2H_2O

Mass of oxygen gas = 100 g

Moles of oxygen gas = \frac{100 g}{32 g/mol}=3.125 mol

According to reaction, 1 mole of oxygen gives 2 moles of water, then 3.125 moles of oxygen will give:

\frac{2}{1}\times 3.125 mol=6.25 mol

Mass of 6.25 moles of water :

6.25 mol × 18 g/mol = 112.5 g

Theoretical yield of water = 112.5 g

Experimental yield of water = 75 g

Percentage yield :

=\frac{\text{Experimental yield}}{\text{Theoretical yield}}\times 100

=\frac{75 g}{112.5 g}\times 100=66.67\%

The percentage yield of water is 66.67%.

4 0
3 years ago
Which one is a true statement about endothermic reactions?
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D energy is absorbed making it feel colder.
The definition of endothermic means energy is absorbing and there is not as much heat anymore
7 0
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If a combination reaction takes place between rubidium and bromine, the chemical formula for the product is
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The chemical formula for the product is RbBr.
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3 years ago
Which statement best explains why gneiss is composed of layers but there are no layers in granite?
Mandarinka [93]

Gneiss is a sedimentary rock and granite is a metamorphic rock.

<h3>What are rocks?</h3>

Rocks are geological hard materials that are made up of various types which include:

  • Sedimentary rocks: These are rocks that made up of various layers formed from sediments. Example is the gnesis.

  • Metamorphic rocks: These are rocks that are form from pre existing rocks that undergoes some transformation. Example is granite

Therefore, Gneiss is a sedimentary rock and granite is a metamorphic rock.

Learn more about rocks here:

brainly.com/question/398139

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8 0
2 years ago
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