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adoni [48]
3 years ago
9

What is melanin and why is it important to the body

Biology
1 answer:
Oliga [24]3 years ago
7 0
First, it is necessary to explain the importance of melanin<span> in </span>our bodies<span>. It is our skin's very own sunscreen which protects it from harmful Ultraviolet rays (UVR) from the sun. </span>Melanin<span> is .responsible for the various pigmentations found in our skin.</span>
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Inessa [10]
D. Pickup truck because it's heavy and it gained more momentum
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4 years ago
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Which of the following statements is true about an endergonic reaction? ΔG is positive ΔG is negative ΔS is negative NextReset
Zanzabum
If ΔG is negative, the reaction is always spontaneous.
If ΔG is positive, the reaction is non-spontaneous and will require a sustained input of energy for it occur.
If ΔG is zero, the reaction is at equilibrium and no work can be done.
7 0
3 years ago
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Match the following.1. Sudden, transient disturbances of brain function marked by 2. Loss of muscle strength; breakdown of acety
STatiana [176]

Answer:

.1. Sudden, transient disturbances of brain function marked by = a) seizures

2. Loss of muscle strength; breakdown of acetylcholine, a = b) neurotransmitter

3. Degeneration of nerves in the brain leading to tremors, shuffling gait, and muscle (mask-like facial expression); dopamine is deficient in the = c) brain

4. Deterioration of mental capacity (dementia) beginning in middle age; cerebral cortex atrophy, microscopic = d) neurofibrillary tangles

5. Unilateral facial = e) paralysis.

Explanation:

1. Epilepsy: Epilepsy is a disease that is characterized by sudden, transient disturbances of brain function which includes seizures. Epilepsy could be caused by genetic reasons or a damage or injury to the brain. The condition of epilepsy can not be cured but it can be effectively managed. Symptoms of epilepsy includes: Headaches, foaming at the mouth, disorientation e.t.c

2. Myasthenia gravis: This is a disease is occurs due to the breakdown of a neurotransmitter called Acetylcholine. This results in the loss of strength in the muscles of the body. This disease can only be managed through the usage of drugs and therapy, it cannot be cured.

3. Parkinsons disease: This is a neurological diseases that involves the

degeneration of nerves in the brain leading to tremors, shuffling gait, & muscle stiffness (mask-like facial expression), tiredness e.t.c. Parkinson's disease can only be managed effectively through the use of medications and therapy, it cannot be cured.

4. Alzheimer's disease: This is a disease that involves the progressive deterioration of mental capacity (dementia) beginning in middle age and cerebral cortex atrophy. Alzheimer's disease leads to the formation of microscopic neurofibrillary tangles. There is no cure for Alzheimer's disease for now but it can be managed using cognition enhancing drugs as well as effective therapy.

5. Bell palsy : It can also be referred to as unilateral facial paralysis. It is a disease whereby one side of the face is paralysed and weakened. Bell palsy causes the side of the face to fall or become droopy. Bell palsy can be managed through the usage of drugs, and therapy.

6 0
3 years ago
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___________ separate(s) a carrying species from a nesting species. Response to loving and kissing Interest in cuddling and playi
Sedbober [7]

Breast milk composition and frequency of demand feedings separate a carrying species from a nesting species.

<h3>What does patterns of parental care mean?</h3>

The patterns of parental care can be defined as stimuli that shape the relationship between parent and offspring in different species.

Carrying species are those species where parent care do not involve building nests for their offspring (conversely to nesting species).

In conclusion, breast and demand feedings separate a carrying species from a nesting species.

Learn more about nesting species here:

brainly.com/question/12023002

#SPJ1

7 0
2 years ago
From an evolutionary perspective, phobias are a result of __________ learning, which suggests that humans and other animals that
Mice21 [21]

Answer:

Phobia is a result of associative learning that suggests human and other animals to learn fear in certain threatening objects or situations.

Explanation:

Phobia is a psychological condition that defines any kind of fear which will appear from certain type of objects and it scares intensely.

Several learning experiences creates fear when the particular person is expose to that condition.

These include some associative learning that is related with behavior.

This type of learning is usually based on stimuli which is generated through positive or negative consequences.

This type of learning which create phobia contain classical conditioning, Operant Conditioning, Cognitive social conditioning etc.

3 0
3 years ago
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