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Serjik [45]
3 years ago
14

The difference between neurotransmitters and hormones has become blurred in recent years, but a chemical is currently classified

as a hormone if it _____. a) has its release controlled by a neuron b) leaves the body of the secreting organism and affects other individuals of the same species c) is made in an endocrine gland d) travels in the blood and has an effect on a remote tissue.
Biology
1 answer:
marusya05 [52]3 years ago
5 0

Answer:

The correct answer is d) travels in the blood and has an effect on a remote tissue.

Explanation:

Hormones are released by the endocrine glands that are also known as ductless glands. These hormones circulate in the body by the help of blood because they are directly released in the blood which is needed for them to affect the distant target organ or tissue.

Neurotransmitter is different from hormones as they are released by the presynaptic nerve terminal of neurons in the space between two neurons called synaptic cleft from where it moves to the next neuron.

Therefore neurotransmitter is released from one neuron and received by another neuron. It is not directly released in blood to affect a remote tissue. So the right answer is d.

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light

Explanation:

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3 years ago
If a school was used as an analogy for the organization of the human body, which would best explain the organ level?
hodyreva [135]
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3 years ago
identify the subcellular structure of the neuron that forms the basis for the transmission of nerve impulses. (2 points) describ
melisa1 [442]

The subcellular structures of neuron that forms the basis for transmission of nerve impulses are the synaptic vesicles.

What are the steps in impulse transmission between neurons?

  • The action potential or nerve impulse reaches the <u>axon</u> of neuron and depolarises the membrane.
  • Voltage gated Calcium channels open .
  • Arrival of action potential causes the synaptic vesicle to attach to presynaptic membrane.
  • Calcium influx triggers release of neurotransmitter.
  • This neurotransmitters bind to postsynaptic membrane and new impulses are created.

Synaptic vesicle under resting condition:

  1. The neurotransmitter molecules are stored in synaptic vesicles.
  2. If the neurotransmitter leak from the vesicles, they are destroyed by enzymes.
  3. During resting condition, they are placed randomly.
  4. When an impulse reaches the axon, vesicles are arranged in the presynaptic membrane.

Thus from the above we can conclude that, synaptic vesicles are the subcellular structures in transmission of nerve impulses and , under resting condition they are placed randomly.

To know more about transmission of nerve impulses :

brainly.com/question/840056

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4 0
2 years ago
Is a gene that can be masked by dominant gene
ruslelena [56]

Answer:

i believe the answer is recessive.

Explanation:

a recessive gene can be expressed as rr instead of RR so if one does a punnet square it would show up to be Rr Rr Rr Rr, since R represents a  dominant  trait and r being being recessive, then the answer would be recessive. (sorry if it doesn't really make any sense)

7 0
3 years ago
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