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3 years ago

How to make the molecules diffuse equal concentration and Oxygen?

Biology

1 answer:

kenny6666 [7]3 years ago

4 0

Answer:

Dr. Ely

Aug 26, 2015

Oxygen and carbon dioxide move across cell membranes via simple diffusion, a process that requires no energy input and is driven by differences in concentration on either side of the cell membrane.

Explanation:

Simple diffusion is responsible for the spread of an air freshener through a room, or of a few drops of dye to eventually turn a glass of water a uniform color. Molecules naturally disperse from areas of higher concentration to lower concentration.

As oxygen-rich (and carbon dioxide-poor) blood travels by a cell the oxygen diffuses through the cell membrane to the area of lower concentration inside the cell. It can do this easily because the oxygen molecule (O2) is very small and has no charge or polarity. The oxygen is used up rapidly by mitochondria. This rapid consumption causes oxygen to constantly move into the cell from the blood.

The mitochondria creates carbon dioxide (CO2) as a waste product of cellular respiration (the process that makes energy for your body). Because the CO2 is of a higher concentration in the cell than in the blood passing by, this gas continually diffuses out of the cell. It too is small and uncharged so it can pass through cell membranes easily.

These movements require no energy (in the form of ATP) on behalf of the cell.

Explanation:

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Develop a model to illustrate the role of photosynthesis in transforming energy (Use words and/or diagrams.) Include the terms:

IRINA_888 [86]

Answer:

Develop a model to illustrate the role of photosynthesis in transforming energy. Include the terms photosynthesis, sun, light energy, chemical .

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3 years ago

Which statement best describes an invasive species

mel-nik [20]

Answer: A

Explanation: The answer is A.

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3 years ago

What monomers and polymers make up the 4 macromolecules?

OverLord2011 [107]

Monomers are the building blocks of the four basic macromolecules of life- monosaccharides are the monomers of carbohydrates, amino acids are the monomers of proteins, glycerol/fatty acids are the monomers of lipids, and nucleotides are the monomers of DNA.

CREDITS TO GOOGLE!

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3 years ago

A fox eats a steady diet of rabbits. No matter how many rabbits the fox eats, he will never start to look like a rabbit, though.

aivan3 [116]

Answer:

Because that's just how it works.

Someone can eat a steady diet of steak and potatoes but they don't turn into steak and potatoes.

When we eat, we consume the meat and energy of the animal. We don't consume some mystical part of them that gives us their qualities.

For example:

You can eat deer meat and not get as quick as a deer, or lion meat and not get the courage of a lion.

We can apply this to the "You are what you eat" phrase people like to use.

Just because you eat a lot of donuts, for example, doesn't mean you'll turn into a donut, or get any donut like qualities (Except maybe stickiness).

Foxes eat rabbits to be healthy, and <em>alive, </em>not to eat plants and hop around and 50 thousand kids

I hope this wasn't too sarcastic-

Rereading it, it kinda came off like that-

Hope this helps though?

Explanation:

8 0

3 years ago

Now that you have come up with an equation that describes the relationship between amounts of different nucleotide bases in DNA,

Elza [17]

Answer:

The correct answer will be- 21, 29, 29

Explanation:

In a DNA sequence, the nucleotide base pairs on one strand of DNA are complementary to the base pair on other strand of DNA.

According to the Chargaff rule, Adenine binds Thymine and Cytosine binds Guanosine which shows that the amount of A will equal T and the amount of G will equal C.

Therefore, when the amount of C is 21%, then the amount of G will be 21%.

To find amount of AT= 100-GC

AT= 100-42

AT= 58%

So, AT/2= 29% each

Thus, A=T= 29%

G=C=21%

5 0

3 years ago