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Vlada [557]
4 years ago
13

why is the presence of villi and microvilli is crucial to the functioning of the digestive system? i.e the small intestine.

Biology
1 answer:
andreev551 [17]4 years ago
4 0
Villi increases the surface area to help with absorption and digestion. Micro-villi form a brush border that vastly increases the surface area of the plasma membrane so larger amounts of nutrients can be absorbed.
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All the important functions of our body would simply be too slow for us to survive such as digestion. if we didn't digest quick enough our stomachs would be bloated all the time
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3 years ago
Which term specifically describes the categorization of people into ethnic groups without taking into account individual differe
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Answer: D) Stereotyping

Choice A is false because this involves denying a person to do something based on factors such as religion, race, ethnicity, etc.

Choice B is false because this term involves a crime or suspected crime being committed, or about to be committed. And it also makes the assumption based on a person's race.

Choice C is false since segregation is the separation of people usually by race or ethnicity. Though you could have class based segregation (eg: rich vs poor) and other forms.

Choice D is true because stereotyping is where you lump a bunch of people together based on cultural or societal assumptions. Usually it's in the form of "all ___ people do such and such" where you fill in the blank with a specific race or culture.

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3 years ago
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Predict the type of progeny produced by Mendel's crosses between pure-breeding plants with discrete, antagonistic traits, such a
asambeis [7]

Answer:

The progeny produced is 100% heterozygous individuals.

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Remember that in Mendel crosses, there are two alleles for each character, in this case for the color of the flowers.

When the problem refers to pure varieties, it refers to individuals with two equal alleles for the same gene.

If two pure varieties with antagonistic characters intersect, 100% of heterozygous individuals will be obtained in the offspring.

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7 0
4 years ago
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bezimeni [28]

Explanation:

Protein I think is the answer for this question.

3 0
3 years ago
^^Some bio questions I need help with.
trapecia [35]
1. is the second answer I believe and 2. is the first answer
I hope this helps
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