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olga_2 [115]
3 years ago
8

How does the structure of cholesterol enable it to perform structural and functional roles within membranes

Biology
1 answer:
puteri [66]3 years ago
3 0
Cholestrol streghtens the cell memebrane. Its STRUCTURE gets fixed in the cell membrane and then performs its FUNCTIONS that is to strengthen the cell membrane
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How and why has the air quality changed in the United States over the last 30 years?
Mars2501 [29]

Answer:

It has gotten worse.

Explanation:

In the past 30 years, air quality in the United States has declined almost exponentially. Pollution is the main reason for the declination of air quality in the United States, but there are different kinds of pollution, including light pollution, noise pollution, air pollution, water pollution, etc. Air pollution can be caused by primary or secondary pollutants. Primary pollutants include carbon, nitrogen, and sulfur oxides as well as just general particles in the air. Secondary pollutants are formed when pollutants are exposed to sunlight via chemical reactions.

6 0
3 years ago
Around the year 1800, it was discovered that fossils are arranged in comparable patterns within the layers of the Earth. Name 3
frez [133]

Answer:

Study of comparative anatomy emerged in the 18th century and led to establishment of relationship between species based on the common traits

Explanation:

The three major events that occurred after this discovery are –  

a) Discovery of the fact that the age of earth is much higher than the age of earth as found in previous theories of continental drift theory

b) The age of the oldest fossils was determined and based on that relative age of all species (as found in fossils) was determined.  

c) The determination of age of fossil helped to find the gaps in the evolutionary tree and hence provoked search of these missing species.

The study of comparative anatomy started somewhere around 1800 when George Cuvier emerged as father of comparative anatomy

Based on comparative anatomy study, scientists such as Buffon and Lamarck worked on establishing relationship between species based on the common traits shared between them

5 0
3 years ago
Thai is due really soon! like in 5 minutes! answer correct plz
oksian1 [2.3K]

Answer:

A thick, dense fur, keeps the fox warm during winter, by preventing excessive loss of temperature and body heat when it is cold.

7 0
3 years ago
4. Why can you find different features at an
goblinko [34]

Answer:

Because of the change in density. Oceanic-continental convergance allows for 1 plate to slide under while continental to continental can not slide under and thus they collide froming features like mountins  and other stuff.

explanation:

5 0
3 years ago
If grey fur is dominant to white fur in a rabbit population, how many possible phenotypes will there be in the offspring of a cr
Ludmilka [50]
Allele for gray fur is A (dominant)
  Allele for white fur is a (recessive)
Genotype of heterozygous is Aa (heterozygous is gray, because its allele is dominant)
If we cross two heterozygous
<span>Parents: Aa  x  Aa
</span> <span>F1: AA  Aa  Aa aa</span>
The ratio between phenotypes is 3:1 (gray:white)
<span>AA Aa Aa  are with gray fur</span>
<span>aa is with white fur </span>
4 0
3 years ago
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