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masha68 [24]
3 years ago
7

Carbohydrates function in the diet to do which of the following?

Biology
1 answer:
lions [1.4K]3 years ago
5 0

Answer:Supply energy to cells

Explanation:

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Degeneration of the dopamine-releasing neurons of the ________ is the ultimate cause of Parkinson's disease. Degeneration of the
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Answer:

a. substantia nigra

b. substantia nigra (it is repeated)

Explanation:

Parkinson's disease is a neurodegenerative disease that is caused by the death of neurons that release the neurotransmitter dopamine in the <u>substantia nigra</u>, or locus niger, -a region of the brain that regulates brain circuits that give the 'orders' to initiate voluntary movements- .

The lack of this neurotransmitter leads to the occurrence of the main symptoms suffered by patients: decreased movements, muscle stiffness, postural instability and tremor. These failures are generated by the abnormal way in which neurons work in the absence of dopamine through a mechanism that is not known in depth.

It is the second most frequent neurodegenerative disease, after Alzheimer's disease, with a prevalence of 2% in people over 65 years. The characteristic symptoms of stiffness, bradykinesia and tremor are associated with losses of neurons in the substantia nigra and dopamine depletion in the striatum. There are large cytoplasmic inclusions, called Lewy bodies, which are the pathological mark of the disease and appear predominantly in neurons that contain melanin of the nigra substance. Genetic studies in a subgroup of families with Parkinson's disease with autosomal dominant inheritance found a locus on chromosome 4q-21 23 and a mutation in the gene that encodes a synaptic protein, α-synuclein.

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3 years ago
Which are three human-body systems coordinate to cause arm to move? A. nervous, muscular, skeletal; B. respiratory, muscular, di
balandron [24]
The correct option is a
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He pattern of the ocean rising and falling due to the gravitational pull of the moon
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The ________ nervous system innervates the intestinal mucosa and may stimulate the secretion of intestinal enzymes.
masya89 [10]
Autonomic nervous system innervates the entirety of the gastrointestinal tract
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Is water an abiotic or biotic factor?
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Abiotic

Explanation: Water is not a living thing, therefore water is an abiotic factor.

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