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docker41 [41]
3 years ago
15

Which of the following describes what might happen if the septum in the heart ruptured? (2 points)

Biology
1 answer:
Hoochie [10]3 years ago
8 0

option c is the answer

Explanation:

septum is present between the two ventricles and separates the oxygenated and deoxygenated blood. hence if it gets ruptured then the two blood will mix up. thanks

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How are the virus and bacterium similar
geniusboy [140]
All viruses have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host. They can only reproduce by attaching themselves to cells. Unlike bacteria, most viruses do cause disease, and they're quite specific about the cells they attack.
5 0
2 years ago
Degeneration of the dopamine-releasing neurons of the ________ is the ultimate cause of Parkinson's disease. Degeneration of the
slavikrds [6]

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.

7 0
3 years ago
Why are the shrubs responsible for<br> migrating animals?
jekas [21]

Answer: They are responsible for animal migration because the chemicals they contain cause the animals to move to a different environment.

Explanation:

I found this information from https://jeb.biologists.org/content/222/Suppl_1/jeb191890

5 0
3 years ago
Please answer ill give brainly
allsm [11]
Answer: C. 1.8

Steps:
25x = 45
x = 45/25
x = 1.8
5 0
2 years ago
The atomic number is equal to the number of: electrons, protons and neutrons, protons, neutrons
BigorU [14]

Answer:

to the number of protons

7 0
3 years ago
Read 2 more answers
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