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user100 [1]
4 years ago
14

Biology test mocromolecules

Biology
1 answer:
Otrada [13]4 years ago
7 0
Not sure what you are asking :)
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A wilted flower placed in a vase of water for several hours became stiff and stood erect. when it was placed in a salt solution,
kherson [118]
The cell surface membranes of cells of flower, though semi-permeable, allows water to pass through cell via aqua proteins embedded in the membrane.
This is true since water goes from inside of cell to the extracellular environment when water potential inside the cell is higher than water potential outside the cell via process of osmosis (water goes from an area of high water potential down a concentration gradient to an area of low water potential). Cells in the flower became plasmolysed (cell surface membranes tear away from the cell walls) as the volume of water in cell decreases.

Hope this helps! :)
3 0
4 years ago
A molecule of chlorine has atoms of the same element, and a molecule of carbon dioxide has different kinds of atoms, chlorine is
Sergio039 [100]

Answer;

Chlorine is an element while carbon (iv) oxide is a compound.

Explanation;

-An element is a pure substances that is made up of similar types of atoms. Elements unlike compounds can not be divided into simpler forms using chemical means. Examples of elements include; potassium, chlorine, helium, sodium, etc.

-Compounds on other hand are substances that contain more than one atom from different element that are combined together chemically. The atoms in a compound are in a fixed ratio. Compounds can be divided into simpler forms using chemical means. Example of compounds include; carbon (iv) oxide, water, etc.

8 0
3 years ago
Read 2 more answers
Hemorrhagic anemia:
11111nata11111 [884]

Answer:

Hemolytic anemia is a disorder in which red blood cells are destroyed faster than they can be made. The destruction of red blood cells is called hemolysis. Red blood cells carry oxygen to all parts of your body. If you have a lower than normal amount of red blood cells, you have anemia.

Explanation:

<h3>I hope this helps!</h3>
7 0
3 years ago
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Predict what would happen to the plants if the fungi died off
MaRussiya [10]

well if there was not fungi then the world will explode exept Australia because kangaroos are beast.
4 0
3 years ago
In the human population there are 3 alleles that control blood type. alleles a and b are codominant, while allele i is recessive
anyanavicka [17]
The theoretical percentage of their offspring that will have blood type O is 25 percent
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