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Dimas [21]
3 years ago
7

Which of the following is most likely to move through the cell membrane by facilitated diffusion?

Biology
1 answer:
Svetradugi [14.3K]3 years ago
8 0
The choices are not given so it is best to discuss what is a facilitated diffusion. It is a type of diffusion where  it involves a spontaneous passive transport of molecules or ions across a biological membrane via specific transmembrane integral proteins. It is a process that requires the supply of added energy.
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Which of the following methods do scientists use to measure the amount of carbon dioxide in the atmosphere?
slamgirl [31]

According to Jesse Kroll, an MIT professor of chemical engineering and civil engineering who specializes in atmospheric composition, the primary method used by scientists to quantify greenhouse gases in the atmosphere is spectroscopy. Thus, option A is correct.

<h3>What is the amount of carbon dioxide in the atmosphere?</h3>

Only 0.04% of the atmosphere is made up of carbon dioxide, and water vapor levels can range from 0% to 4%. However, while being the main greenhouse gas in our atmosphere, water vapor possesses “windows” that let some infrared light pass through without being absorbed.

Therefore, find a location outside with pure, unpolluted air, then use a special kind of flask to collect an air sample.

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8 0
1 year ago
A cellular structure that can be found in each type of cell that is unique to each type of cell, but that has a similar function
34kurt

Answer

Complex barrier to the flow of substances out of the cells,and restrictions to inflow of unwanted substances into the cells. The hydrophobic and hydrophilic nature of the cell membrane controls the entry of substances from the extracellular medium into the intracellualr. In addition the polarity restricts certain substance movement across the walls.

Serve as the selective channels  for the  influx of certain substances into the cells, and the out flux of wastes.This is through ion channels for the movements of ions across.

Provide insulation to the cells,to maintain the constant internal temperature,this is through the presence of lipids as( Phospholipids and cholesterol).The latter prevent the clogging of the lipids in the cell membrane therefore preventing frozen up of the cell membrane,providing insulation.

Separation of metabolic process in the cell.

Explanation:

Cell membrane-This is present in all cells.But the variation of its constituents makes it unique to each cell. Although it performs the same role, the location and role the cells it bounded, reflects its  constituents, it is made up of lipids, carbohydrate, protein and cholesterol

6 0
3 years ago
Hurry 30 Points! I need help!​
pogonyaev

Answer:

We need the directions. Once provided I will then edit this.

Explanation:

6 0
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26.
ANTONII [103]

Answer:

C

Explanation:

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7 0
2 years ago
The two most prevalent forms of ocean pollution are...(choose two)
Sladkaya [172]

Answer:

b. Raw sewage

c. Oil

Explanation:

8 0
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Read 2 more answers
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