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aliina [53]
3 years ago
9

Can someone please help me with this question

Biology
1 answer:
Talja [164]3 years ago
5 0

Um. Yes? The braij is responsible for the nervous system.

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Kac tane doku vardir
koban [17]

Answer:

I think you may have spelled it wrong

Explanation:

3 0
3 years ago
What is skin cancer and how does it occur?
Dafna11 [192]

Answer:

Skin cancer refers to the abnormal activity of skin cells associated with carcinogenesis

Explanation:

This disease is associated with the DNA damage (mutations) often caused by  the irrational exposition to UV sun rays that trigger DNA mutations capable of both inactivating tumor suppresor genes and activating oncogenes

3 0
3 years ago
Read 2 more answers
Darwin often used the phrase "_[blank]_" to suggest that species must have descended from preexisting species and that changes i
dybincka [34]
The answer is descent with modification.
Descent with modification practically means that a species have changed appearance wise over long periods of time to adapt to their environments better.
4 0
3 years ago
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i think ive gotten them right so far but im not sure what number 6 is, even though theres only one left "Prophase" thats not rea
vivado [14]
The order from what I remember is
Interphase
Prophase
Metaphase
Anaphase
Telophase
Cytokinesis- also known as daughter cells
7 0
3 years ago
Phenytoin blocks the opening of voltage-gated na channels in neurons. therefore, this action has its primary effects on which pa
dusya [7]

Numerous antiepileptic medications, such phenytoin, have been designed to block voltage-gated sodium channels (VGSC) in neuronal membrane. In addition, multiple toxins and pharmacological modulators work by attaching to various biophysical states of the VGSC to cause their effects.  Depending on how modulatory agents act, some VGSC states are stabilized or destabilized, altering the channel's biophysical properties. The first anticonvulsant to successfully treat epileptic disorders without causing undesirable side effects such as brain drowsiness was phenytoin.

Phenytoin has been indicated to block high-frequency neuronal activity potentials from the inner vestibule of the pore, as demonstrated by electrophysiological research and site-directed mutation.

Frequency and voltage both affect phenytoin binding.

There are theories that phenytoin interferes with the late sodium current that sustains depolarizations in epilepsy by blocking non-inactivated channels.

To learn more about phenytoin click here

brainly.com/question/13386639

#SPJ4

7 0
2 years ago
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