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Kobotan [32]
3 years ago
10

Which of these best explains why the use of fossil fuels for energy production is a not a long-term solution to the world's ener

gy needs?
Biology
2 answers:
Gwar [14]3 years ago
7 0

There is a limited amount of fossil fuels available.

QveST [7]3 years ago
4 0

because fossil fuels take forever to be created hope this helps

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Analyze how a point mutation can affect the overall protein shape and function, using hemoglobin as an example.
aniked [119]

Answer:

A point mutation can be described as a mutation in which changes occur in a single nucleotide. A nucleotide may get changed, deleted or inserted from the sequence of DNA. Point mutations can be harmless or harmful depending on the nucleotide in which the changes occur.

A change in just one nucleotide can result in the formation of wrong amino acid and hence changed or wrong proteins can be formed. If the original protein was involved in cellular reproduction, then the entire process of reproduction can be affected by a point mutation.

Sickle- cell anaemia is a disease in which the body fails to produce enough healthy red blood cells. This disease occurs due to point mutation. Point mutation occurs where glutamine (GAG) of the β-globin gets changed into valine (GUG). This change causes the haemoglobin to get a deformed structure due to which it is not able to carry out oxygen.

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Extreme heat and pressure causes nuclear fusion.

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What is the most significant difference between freshwater aquatic ecosystems and marine ecosystems?​
blondinia [14]

Answer:

main difference between freshwater and marine life is the habitat they come from in the wild. Freshwater fish live in streams, rivers and lakes that have salinity of less than 0.05 percent. Depending on the species, fish can survive in temperatures ranging from 5 and 24 degrees Celsius

Explanation:

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3 years ago
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Tom [10]

the larger one will not be able to survive because of how big it is. take a look at the big one. it has a few particles, but its extremely large. because of this it will die. the particles won't be able to travel all over the cell.

3 0
2 years ago
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What is an enzyme and what does it do for your body? Describe the word catalase in your answer
Strike441 [17]

Answer: Catalase is a common enzyme, found in nearly all living organisms. It catalyses hydrogen peroxide into water and oxygen and protects organisms from free radicals It also has industrial uses to prevent certain contaminants in food and as a disinfectant for contact lenses and a cleansing agent in some other products.

Explanation:

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