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irina1246 [14]
3 years ago
6

Why do humans dream? ... Answer Below ▶️

Biology
1 answer:
elena-s [515]3 years ago
5 0

Answer:

from my own subsconcious mind ....i feel one of the reason we dream could be because of overly thinking .......being so obsessed about something or an event may lead to one having a dream ...dreams are hallucinations that occur whilst we 're asleep....so the reason could be to help figure out how important or dangerous something is

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1. Discuss gravitational force in our universe and how it words. 2. Why is it critical to our universe? 3. Name at least three i
abruzzese [7]
<h2>Answer 1:</h2>

The gravitational force is a force that attracts any objects with mass. Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy including planets, stars, galaxies, and even light are brought toward one another.

Answer 2:

Gravity keeps things together. It is a force that attracts matter towards it. Anything with mass creates gravity, but the amount of gravity is proportional to the amount of mass.

Gravitational force is critical to our universe because with out gravitational force we cannot walk on earth, all the matter on earth cannot stay on it with out gravity. Everything will start floating in air with out gravity.

<h2>Answer 3:</h2>

Gravity is the powerful force that glues our universe together.

  1. One of the most noticeable effects of gravity in the solar system is the orbit of the planets.
  2. The planet keeps moving but is always caught up in the push-pull forces caused by the interaction of these gravitational forces. As a result, the planet begins orbiting the sun.
  3. The same phenomenon causes the moon to orbit around the Earth except its the Earth's gravitational force not the sun's that keeps it moving around us.
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3 years ago
Which of the following is an example of a natural source of air pollution? A. Mining releases gases trapped beneath Earth's surf
MissTica
C.erupting volcanoes release many toxic gasses.
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Assume that a mutation in the dna occurs so that the fourth base (counting from the 5' end) of the messenger rna now reads a rat
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Methionine-methionine leucinelysine that a mutation in the DNA occurs so that the fourth base (counting from the 5' end) of the messenger RNA.

mRNA codons are read from 5' to 3' , and they specify the order of amino acids in a protein from N-terminus (methionine) to C-terminus. The mRNA sequence is: 5'-AUGAUCUCGUAA-5'

Ciodons which is broke the sequence into a series of three-nucleotide units. There are three-letter nature of codons that the four nucleotide found in mRNA such as  A, U, G, and C  all these can produce a total of 64 different combinations. The sequence of the tRNA anti-codon is 3'-UGC-5' and the tRNA will carry the amino acid which is the encoded by the codon.

To learn more about nucleotide here

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2 years ago
What is the first step in the creation of a theory?
alexdok [17]

Your answer would be: A. because scientists use what they have to create a theory, a theory is pretty much an educated guess is what a teacher would say, the theory would need to have evidence in order for it to be an educated guess. The scientist would have to come up with an explanation in order for the theory to work, or be an educated guess.

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Lecithin is (organic chemistry) the principal phospholipid in animals; it is particularly abundant in egg yolks, and is extracted commercially from soy. It is also a major constituent of cell membranes, and is commonly used as a food additive (as an emulsifier). While cephalin is (biochemistry) a phospholipid found particularly in the cells of nervous tissue; it is also the primary phospholipid in bacteria. 
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