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r-ruslan [8.4K]
3 years ago
9

Which statement best describes an important process carried

Biology
1 answer:
qwelly [4]3 years ago
4 0

Answer:

2 materials are exchanged between fetal and maternla blood

Explanation:

i just took this test and this was correct

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What is biodiversity an indicator of
Basile [38]
The cleanliness of a ecosystem or how healthy it is. It determines how clean an environment/ecosystem is. You need all types of animals living there, therefore making it more healthy. The more healthy, the more we can say that it is biodiverse. 
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3 years ago
A new food product is being distributed by a company. Researchers determine that the food product contains only carbon, oxygen,
Contact [7]

Answer:

This new food is a carbohydrate

Explanation:

<em>Carbohydrates (also known as saccharide) general formula is CH2On, this means they are molecules that only contain carbon (C), hydrogen (H) and oxygen (O). </em>In the basic form, these sugars are known as monosaccharides, they can combine no form more complex sugars like disaccharide (2), oligosaccharides (2-10) or polysaccharides (>10).

Therefore we can conclude that this new food is a carbohydrate.

I hope you find this information useful and interesting! Good luck!

3 0
3 years ago
How would a small, uncharged lipid move across the cell membrane?
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Answer:

Through simple diffusion, down the concentration gradient.

Explanation:

The phospholipids of the membrane are amphipathic with hydrophillic heads and hydrophobic tails. Other polar molecules cannot go through this hydrophobic interior. Since small uncharged lipids are non polar and hydrohobic, they are able to go through the membrane without the help of transport proteins. Therefore, the last two options can be ruled out because facilitated diffusion includes the use of a protein. Diffusion involves molecules moving down the concentration gradient so the second option can be ruled out.

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If we assume that, in the African savanna, rainfall and the amount of grass is plentiful, what other factor would BEST explain a
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One other factor can be a rise in predators
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3 years ago
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Biodiversity decreases the stability of an ecosystem and decreases the
Effectus [21]

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because Biodiversity is the biological variety and variability of life on Earth. Biodiversity is a measure of variation at the genetic, species, and ecosystem level. Terrestrial biodiversity is usually greater near the equator, which is the result of the warm climate and high primary productivity.

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3 years ago
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