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aleksklad [387]
3 years ago
7

2. Many people believe that

Biology
1 answer:
gladu [14]3 years ago
4 0

Answer:

A mutation is simply an error in the copying of DNA it generally does not have major effects. Mutations are changes in the DNA sequence.  

Tumors form by an uncontrolled error in a stage of mitosis that continue to generate cells that aren't correct and eventually lead to tumors.

Explanation:

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How is Earth's environment unique in the solar system?
Ber [7]

Answer:

In the entire solar system, the environment of planet earth is unique due to the presence of the atmosphere.

It is responsible for providing carbon dioxide and oxygen which are essential for the presence of life on earth.

Secondly, it helps in keeping the earth warm through the greenhouse effect.

It prevents the entry of harmful radiations of the sun into the atmosphere.

3 0
3 years ago
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Risks in life are often misaligned with our perceptions of these risks. Describe why we fear flying in a plane, nuclear power pl
asambeis [7]

Answer:

We fear flying in a plane, nuclear power plants or being struck by lightning more because our risk perception isn't rational. We assess risks using a mixture of cognitive skills (weighing the evidence, using reasoning and logic to reach conclusions) and emotional appraisals. In this case, we believe that overheating or lack of exercise is something we can control. We believe we can feel the process taking place and we can react in time. We fear all the situations that we cannot control.

Explanation:

8 0
3 years ago
Among the invertebrate phyla, phylum arthropoda is unique in possessing members that have.
Ostrovityanka [42]

Answer:

Wings

Explanation:

The most unique feature among phylum Arthropoda is that some of its members have wings. No other invertebrate has winged species!

3 0
2 years ago
How are mitosis and binary fission similar?
Degger [83]
One commonality is the ability to grow and reproduce through the production of new cells; cell division.
6 0
3 years ago
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Which substance on the plasma membrane helps identify chemical signals from outside the cell?
nikdorinn [45]

Answer:

The correct answer is carbohydrate chain.

Explanation:

Plasma membrane contain three types of protein  a peripheral protein b transmembrane protein and c GPI anchored protein.

    Some membrane protein basically peripheral proteins contain oligosaccharide chain arranged towards the extracellular region of the plasma  membrane with respect to the surface of that glycoprotein.

   The oligosaccharide chain of glycoprotein play an important role in to identify signals from outside the cell.These signals may include the entry of virus particles inside our body,protein targeting etc.

8 0
3 years ago
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