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Allushta [10]
2 years ago
10

Help It is just a review

Biology
2 answers:
Sphinxa [80]2 years ago
6 0
Ok so it’s false then true the Brazil
densk [106]2 years ago
4 0

Answer:

False

True

Brazil

Explanation: Plz make me Brainliest

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A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two ne
Ksju [112]

Answer:

True

Explanation:

When the resting potential of the membrane is changed, the membrane becomes either more negative inside or less negative. This small deviation from the resting potential is called graded potential. A graded potential occurs when a stimulus triggers opening or closing of the mechanically gated  or ligand-gated channels present in the plasma membrane.

For example, the presynaptic neuron releases neurotransmitters in response to a nerve impulse. The neurotransmitter binds to receptors present in the plasma membrane of the postsynaptic neuron and triggers the opening of the ion channels to allow the inflow of particular ions to flow. The flow of ions changes the voltage across the membrane. This change in membrane voltage is a postsynaptic potential and is a type of graded potential.  

3 0
3 years ago
The picture represents muscle tissue.<br><br> Which type of muscle tissue is pictured?
VladimirAG [237]

Answer:

Smooth muscles

Explanation:

7 0
3 years ago
What are the three homologies in living organisms
Agata [3.3K]
It’s iterative ontogenetic and di - or polymorphic
8 0
3 years ago
What is causing the roots of a plant to grow downward
makkiz [27]

Answer:

Geotropism is the influence of gravity on plant growth or movement. Simply put, this means that roots grow down and stems grow up. ... In this case, the stimulus is gravity. Upward growth of plant parts, against gravity, is called negative geotropism, and downward growth of roots is called positive geotropism.

Explanation:

8 0
3 years ago
PLS HELP
lys-0071 [83]
The answer would be TRUE
5 0
3 years ago
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