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IRISSAK [1]
3 years ago
14

Describe how scientists think the Earth was formed

Biology
1 answer:
schepotkina [342]3 years ago
5 0

Answer:

The Big Bang THEORY

Explanation:

They think an explosion occurred in space to create collisions between molecules. These collisions created the planets and life as we know it. They don't know where these molecules came from and it's never been proven, which completely debunks this theory for me.

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When a scientist contrasts two or more objects what is he or she looking for
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Answer:He or she is looking for a difference in the two objects

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4 years ago
The preferential use of phosphatidylinositol and phosphatidylethanolamine in the cytoplasmic leaflet of membranes leads to incre
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Answer:

The best answer to the question: The preferential use of phosphatidylinositol and phosphatidylethanolamine in the cytoplasmic leaflet of membranes leads to increased:___ would be, D: All of the answers are correct.

Explanation:

There is still a lot of debate among scientists as to the exact way in which phospholipids are distributed between the two leaflets of a cell´s plasma membrane, but what they do know is that there are four kinds, and that phosphatidylinositol (a sterol) and phosphatidylethanolamine appear most commonly on the cytosolic, or cytoplasmic side of the membrane. They also believe that it is this particular arrangement which allows the cytoplasmic side of the membrane to be slightly negatively charged and this role will play a major part in a membrane´s ability to generate an action potential. Also, it is known that these negatively charged ends of the bilayer will allow certain proteins, positively charged ones, to be inserted, and connected to it, to become transporters, or mediators in action potentials and normal activities of cells. Finally, since fatty acids and cholesterol are associated with phospholipids, but have a tendency to be attracted to these particular two types, they tend to give the overall structure fluidity, but also permit  the inner leaflet to assume its particular circular shape around the cytoplasm. This is why the answer is D.    

4 0
4 years ago
In his research on hunger and the brain, Dr. VanderZyl stimulates the lateral hypothalamus of his animal subjects. This stimulat
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The correct answer is - induces eating in animals, even if they are full.

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7 0
3 years ago
How can different amino acids affect secondary structure
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Answer:

Exposure to positively charged amino acids (arginine and lysine) is found to clearly stabilize the secondary structure. Kinetically, each amino acid promotes folding by generating a large increase in the folding rate with little change in the unfolding rate.

5 0
3 years ago
Darnell is planning to rent a booth at a trade show specifically for veterinarians. Darnell’s company offers benefits like disco
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The number attendees that would most likely be interested in Darnell's booth is : ( A ) 1 : 3

Aim : The question is all about the ratio of self employed vet at the trade show to the total number of Vets  at the trade show

<u><em>Assuming </em></u>

Number of self employed veterinarians = 20

Number of Veterinarians = 60

<h3>Determine the number of self employed vet that are interested in Darnell's booth </h3>

Total number of Vet = 60

number of self employed Vet = 20

= number of self employed / Total number of Vet

= 20 / 60

= 1 : 3  

Hence we can conclude that The number attendees that would most likely be interested in Darnell's booth is : ( A ) 1 : 3

Learn more about ratio: brainly.com/question/2328454

8 0
2 years ago
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