Cells send out signals when they're in distress.
Answer: Felipe is wrong.
Explanation:
In diagram A, we can see that the light comes from the left, it first impacts on the Earth, and then we have the Moon.
Now, you can model this situation with a flashlight (the Sun) a basketball (the Earth) and a tennis ball (the Moon)
When you point with the flashlight at the basketball, the basketball will look bright, but it will cast a shadow behind it. This shadow will cover the tennis ball, and almost no light will reach the tennis ball, so it will not look bright.
This phenomenon is called a lunar eclipse, and this happens when the Earth is in between the Sun and the Moon. When this happens, we see the moon a bit darker and more reddish.
A structure which is made by molecules is called substance
Answer: B to show that drugs and self-deception can cause someone to ignore reality.
<h3>Ignore reality</h3><h3 />
There are many ways to escape reality, drugs being one of them. Every addiction, that is, every excess, betrays the presence of something behind it and keeps it alive. What sustains the addiction? The fear of facing reality, its own and collective. You run away from reality because you feel unable to sustain it. Without upholding the vision of truth, it is not possible to transform what is not good. Many stop at this first stage:
- they can't stand to know
- see and face the harsh and raw reality
- and escape to an inner fantasy world nourished by a drug, a habit or a belief...
For anything that allows them to remain protected from sight of the real perceived as horrendous. The flight from the facts is an indication of emotional weakness, as you cannot bear the emotion of seeing the tragedy, but it is also synonymous with mental weakness, as you cannot think and process it, the tragedy. Brain and heart flee from reality and, thus, the individual remains in a state of minority. It is for the adult, that is, for the mature person, to know how to deal with What It Is. Therefore, behind every addiction there is an infantile condition structured around beliefs, rationalizations and "beliefs".
with this, we can say that the author wanted to compare how drugs and self-delusion can make someone ignore reality.
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The correct option is D.
Neurotransmitters categorized as inhibitory are expected to hyperpolarize the membrane.
At inhibitory synapses, release of neurotransmitters causes inhibitory postsynaptic potentials or IPSP, which is a hyperpolarization of the presynaptic membrane.
Actually, depolarization and hyperpolarization occurs on neuron when an ion channel in the membrane open or close which can alter the ability of certain types of ions which enter from or exit out of the cell.
Neurotransmitters which is inhibitory have inhibitory effects on the neuron as it means they can decrease the possibility that the neuron will tend to fire an action. Modulatory neurotransmitters can also affect various neurons at the same time which results in the influencing effects of other chemical messengers.
Inhibitory neurotransmitter somehow decreases the action potential of the neuron. When the action potential falls below a certain level which is called threshold potential, the neuron will not be able to generate action potentials and thereby unable to exit the nearest neurons.
So, neurotransmitters are in general expected to hyperpolarize the membrane in some extent.
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