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Rashid [163]
2 years ago
9

List the six fundamental elements found in living organisms in the text area below. PLZ HELP ME

Biology
1 answer:
allsm [11]2 years ago
7 0

Answer:

Can you show an example

Explanation:

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HURRYY!!<br><br> Why have American's portion sizes become larger in the last decade?
Viefleur [7K]

Answer:

American's portion sizes have become larger in the last decade due to the expanding of food industries and marketing campaigns that tell us to eat more.

Explanation:

The growth of food industries in the last decades to obtain more money in combination with the media influence has led us to eat more, thus why the size of our portions has increased their size.

Another theory states that people always want to eat more, and the industry has only fulfilled this demand, but it is not clear why, in the past, this did not happen.

8 0
3 years ago
In which cell will the molecules diffuse in. A or B
lora16 [44]

Answer: I believe <u>option A.</u> is correct.

Explanation: When you look at both the cells, you see that cell A. shows the molecules diffusing in and out of the cell membrane. Where as, cell B. doesn't show as much.

Hope I could help! :)

7 0
3 years ago
How could the understanding of biology help you to make decisions about your health and environment
Zina [86]
It can help by opening closed doors to new findings. I can understand what Infections or virus I may get and be able to treat it. I will be able to get educated about my surroundings and be able to study them to succeed at understanding what causes what. In the end, I hope this helped.Goodluck

6 0
3 years ago
Which of these provides most of the oxygen in Earth's atmosphere?
MariettaO [177]

Answer:

Ocean phytoplankton produce almost half of earth's atmospheric oxygen

4 0
3 years ago
Read 2 more answers
Compare and contrast the mechanisms of getting material across the plasma membranes of cells. Tells me what the mechanisms are i
stepladder [879]

Answer:

Materials get transported from the cell by some mechanisms such as Active Transport, Passive Transport, Diffusion, etc.

Explanation:

Active Transport :

It is a process by which, materials are transported from the extracellular membrane to the intracellular membrane with the help of ATP. It has a few types :  

Primary Active Transport :  

This system is standing upon the sodium-potassium pump. It moves out   Na⁺ from the cell and allows the entry of K⁺ into the cell. In this process ATP is a source of energy. E.g, Sodium-potassium pump.

Secondary Active Transport :

It is mainly standing upon Primary Active Transport. In this process, the main key point is the concentration gradient. There is already a concentration gradient set up by the primary active transport. This system uses that up and moves other substances against their own gradient concentration. E.g, assuming, there is a high concentration of sodium outside the cell,  if a route such as a channel or a carrier protein is open then sodium ions will move into the cell.  In this transport system, some cotransporters are used who move in the sodium ion into the sodium gradient.  

Passive transport :

It is a process by which, substances cross the plasma membrane without acquiring any energy from the cell. Here, no energy is needed because the substances are moving from higher concentration to its lower concentration. E.g, cell membrane or plasma membrane works as a permeable or semipermeable membrane.  

Diffusion :

It is the movement of a substance across a membrane, due to the concentration gradient, without any help from other molecules. E.g, movement of the gaseous molecule from cell to cell.

8 0
3 years ago
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