3 years ago

I will mark brilliant. Do 13 through 15

1 answer:

5 0

13) Electrical Energy is turned into Light and Sound, and as always Heat

14)Potential and Kinetic

15)Insulators who do not freely allow electricity to flow freely

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What is present in human blood that ensures blood ph is maintained at about 7.4?

Anvisha [2.4K]

Bicarbonate buffer system. Human blood contains large amounts of carbonic acid, which is a weak acid, and bicarbonates, a strong base. If blood pH falls below 6.8 or rises above 7.8, one can become sick or die. This bicarbonate buffer system help maintain blood pH at 7.4. The bicarbonate neutralizes excess acids in the blood while the carbonic acid neutralizes excess bases.

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3 years ago

Exocytosis is a type of cellular transport that allows materials to move across the plasma membrane of a cell. Which of the stat

Ilya [14]

Answer:

C. Exocytosis uses transport vesicles to export materials from the cell

Explanation:

Exocytosis is the reverse process of endocytosis including the expulsion of the material that is membrane -encapsulated (material is packaged in the vesicles ) inside the cell out of the cell. It has following steps :

1) The cell forms a vesicle around a material which is to be expelled.

2) The vesicle is transported to the cell membrane.

3) The vesicle membrane fuses with the cell membrane and releases the contents from the cell.

Hence option C. Exocytosis uses transport vesicles to export materials from the cell IS THE RIGHT OPTION.