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S_A_V [24]
3 years ago
12

1. The drug is effective when its concentration is at or above 70 mg/ml. For what length of time is the concentration at or abov

e this level?
Biology
1 answer:
almond37 [142]3 years ago
4 0
45mg/ml is the disheveled Hagen jags
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The correct answer would be levodopa/carbidopa.

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These drugs are used to treat the symptoms of Parkinson's disease.

Tolcapone is used to inhibit enzyme COMT (catechol-O-methyl transferase).

In the brain, levodopa is converted into dopamine which helps in controlling the movement.

Carbidopa helps in preventing the breakdown of levodopa in the blood which allows more levodopa to enter the brain. In addition, it helps in reducing the side-effects associated with levodopa such as vomiting, nausea et cetera.

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The best description of predictable development of plant structure in an area over time is primary succession. The correct option is a.

<h3>What is succession?</h3>

Changes in the physical environment and the population of the species cause succession. There are two types of succession: primary and secondary succession.

Nudation, invasion, competition and coaction, reaction, and stabilization are the five stages of ecological succession. Autogenic succession is derived by biotic factor in an ecosystem.

Thus, the correct option is a. primary succession.

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