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olga nikolaevna [1]
3 years ago
12

Why do we dream............this is a science question?

Biology
2 answers:
jeka943 years ago
5 0
Hi let me help you out there 

 <span>Dreams are stories and pictures that our minds create while we are sleeping in bed. They can be entertaining, fun, romantic, frightening and sometimes weird.</span>Dreaming can also help you learn and help you with your memories.<span>
</span><span>   
Scientist are still trying to discover why we have dreams. 
Some scientists say it helps you sleep and others say something else 

No one for sure knows why we dream 

Hope this helps you 

 

.</span>
Verdich [7]3 years ago
5 0

Scientists still don't know exactly why we dream but, some doctors believe that people dream because of a physiological reason.
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Arte-miy333 [17]

The correct answer is by facilitated diffusion.  

The procedure of continuous passive transport of ions or molecules through a semi-permeable membrane with the help of particular transmembrane integral proteins is known as facilitated or passive-mediated transport or facilitated diffusion.  

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8 0
3 years ago
A friend of yours claims to have identified a gene that causes a human disease! Your friend says that they have sequenced the DN
sattari [20]

Answer: Point mutation is easily reversible, thus non-lethal

Explanation:

Point mutation is caused by exchange of a single nucleotide for another. These change is called

1) Transition (when a purine base substitute another purine base, or pyrimidine bases substitute each other)

2) Transversion (when a purine base substitute a pyrimidine base).

However, note that a point mutation can be easily reversed by another point mutation; so, the claim that a nucleotide difference in the Hsr12 gene caused the human disease is inaccurate

3 0
3 years ago
16. Which of the following is formed when a group of tissues works together to perform a common function?
otez555 [7]

Answer:

The organ system

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An organ is composed of tissue and performs a specific set of functions for the body. And that’s called the organ system

8 0
3 years ago
The first true prokaryote cells were formed from ____________________.
Nana76 [90]
The answer is B i answered this already
6 0
3 years ago
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Eduardwww [97]

Answer: (B)

Explanation: They are asking for a comparison between light waves and sound waves.
A  and C is wrong because it only says about sound waves
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3 0
1 year ago
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