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nydimaria [60]
3 years ago
6

Could someone please help with this answer?

Biology
1 answer:
Sever21 [200]3 years ago
6 0

The correct answer it's D genesin DNA

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Place the following events of a reflex arc in the correct order: 1) motor neuron activation, 2) sensory neuron activation, 3) se
VikaD [51]

Answer:

The reflex arc follows this sequence of events

1. sensory receptor activation

2. sensory neuron activation

3.information processing

4. motor neuron activation

5. effector response

Explanation:

Reflex arc is the pathway of nerves during a reflex action. An example of a reflex arc is when we accidentally touch a hot object. First, the receptor in the skin detects a stimulus in this case the change in temperature. Second, the sensory neuron transmit the electrical impulses to the Central Nervous System for information processing. Then relay neurons connect sensory neurons to motor neurons. Third, motor neurons sends electrical impulses to an effector wherein the effector produces a response ( muscle contracts to move the hand away from the hot object. This happens in a split of seconds.  

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Why do we need antibodies?
Aleonysh [2.5K]
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Answer: Sea walnuts are marine invertebrates. They belong to the genus Mnemiopsis.

Explanation:

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The barrier if kept along the side of the sea shore and not allowing humans to reach to the shore can help in preventing the harm from these animals. The introduction of the predatory animals in the sea can also help in reducing their population.

The three benefits for removing the sea walnut:

1. The population of other species will increase as sea walnut is an invasive species.

2. The balance of the marine ecosystem can be maintained.

3. Humans can be protected from the harm caused by these animals.

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Why dont children look exactly like their parents?
Illusion [34]

Answer:

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Explanation:

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i hope it helps all this are 6 valence from electron and form 2-iron.

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