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olga nikolaevna [1]
3 years ago
7

The area of the brain that is crucial in expressing and regulating emotions is the

Biology
1 answer:
Natasha_Volkova [10]3 years ago
3 0
Limbic system, I believe. 
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VLD [36.1K]

The "Rr" is heteroyzgous red

The "RR" is homozygous dominant

The "rr" is homozygous recissevie

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2 years ago
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Stolb23 [73]

The bacteria which had mutation became resistant to the antibiotic and survived and keeps on increasing, promoting natural selection.

Explanation:

The bacteria rapidly divide, the chances of mutation in the gene increases manifold.

The strains of bacteria causing tuberculosis and staph infection got mutated at DNA level such that they became resistant to antibiotics when tested those susceptible did not survive. These mutations were not harmful to bacteria and the resultant bacteria survived.

These bacteria which survived and proliferated as the environment was in their favour.

Thus, Darwin's Theory of Natural Selection is acceptable here as it says if a mutation is occurring towards the increase in population, they will be selected ones.

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3 years ago
How energy is produced
Andrej [43]

Answer:

by the movement of electricity

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can someone actually help me please The crystals have been dissolved in water. Notice the copper(II) sulphate is the blue soluti
lidiya [134]
The Soduim Hydroxide is just lye. It’s a caustic solution used in lots of things like soap, paper and metal processing.
Copper Sulfate gets its blue color from light energy that excites the electrons. It’s an anti microbial and used with wellness healing. Also has agricultural uses as well. Hope this helps you.
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Darwin proposed that homologous structures are evidence of
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