Answer:
Option-D
Explanation:
Parkinson's diseases are a neural disorder which affects the movement of the human body. The disease is caused by the low production or no production of dopamine by the neurons which thus interfere with the impulse transfer and thus movement.
In the given question, the patient with Parkinson's disease is provided with levodopa but no improvement is observed therefore the prescriber must change the drug regimen, for example, the levodopa should be given in combination with carbidopa. These medications enter the blood-brain barrier and get converted to the dopamine.
Thus, Option-D is the correct answer.
Answer:
This is the rock cycle I believe hope this helps
Answer:
As humans require a lot of nutritious food for the growth, same way plants also require nutrients in order to grow. Plants which are grown in the soil gets all the required nutrients from the fertilizers and from the land where natural nutrients are stored.
Its natural selection. Due to genetic variations, some animals have traits more desirable then others. This animals will survive and reproduce better, over time creating a whole new species.
The answer is A. True.
Plankton includes a diverse group of organisms that live in the water but are not capable of active swimming against the water current. On the contrary, nekton<span> includes a diverse group of organisms that live in the water but are capable of active swimming without the help of the water current. A shark is capable of active swimming, therefore, it is the example of nekton.</span>
