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Firdavs [7]
3 years ago
6

Your relative is experiencing memory loss related to Alzheimer disease. Research suggests that the decline in memory is due to a

(n) _____ deficiency in this individual's brain.
Biology
1 answer:
Alenkinab [10]3 years ago
8 0

Answer:

Acetylocholine

Explanation:

Acetylocholine is a neurotransmitter and a neuromoderator.

It is a chemical that that is released by nerves or neurons and has functions in enabling muscle contraction,activates pain responses and plays an important role in learning and memory processes in the hippocampus.

Alzheimer disease is characterized with loss of memory.

Research suggests that the decline in memory is due to a deficiency in Acetylocholine in an individual's brain

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A cell of an organism has four chromosomes. It undergoes a process at the end of which two daughter cells are produced. Each dau
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Mitosis, as a cell gives two daughter cells with the number of chromosome in daughter cells remaining same as that of parent, hence also known as equational cell division.
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3 years ago
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Think about a bush in your backyard. Is it alive according to the characteristics of life? Why or why not ?
Allushta [10]

Question: Think about a bush in your backyard. Is it alive according to the characteristics of life? Why or why not ?

Answer: its alive

Explanation: It performs all necessary life functions to survive which are respiration, reproduction,transpiration and etc

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6 0
3 years ago
Which type of specimen must be chilled if testing will not be performed immediately?
Marat540 [252]

Urine Specimen must be chilled if testing will not be performed immediately.

<h3>What is Urine?</h3>

Urine is a liquid byproduct of human and many other animal metabolism. Urine travels from the kidneys to the urinary bladder via the ureters. Urine is discharged from the body through the urethra as a result of urination.

Many by-products of cellular metabolism, such as urea, uric acid, and creatinine, are nitrogen-rich and must be removed from the bloodstream. These by-products are excreted from the body through urination, which is the major way for excreting water-soluble compounds. A urinalysis can identify nitrogenous wastes in mammals.

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5 0
2 years ago
The andromeda galaxy is located approximately 2.5 million light- years from earth. Why is the light that reaches earth 2.5 milli
Ivan
So, the Sun's light takes about 8.3 minutes to reach us. This means that we always see the Sun as it was about 8.3 minutes ago. ... The nearest large galaxy to us, Andromeda, is 2.5 million light-years away. So, we see Andromeda as it was 2.5 million years in the past.
5 0
3 years ago
What is the purpose of the pericardial sac that surrounds the heart in mammals
Nitella [24]

Answer:

Pericardial sac has protective tole

Explanation:

Pericardial sac or pericardium is a fibrous tissue that surrounds the heart. It has two coats:

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Besides lubrication, percardium also protects heart from infections, fixes it and limits its movements.

6 0
3 years ago
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