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katrin [286]
3 years ago
14

Chemical substances that organism require to live

Biology
1 answer:
Arisa [49]3 years ago
5 0
Oxigen ,nitrogen ,carbon,and hydrogen.
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2) Compare the types of neurons that synapse in the posterior, lateral, and anterior gray horns of the spinal cord.
Mama L [17]

Answer:

<h2>Gray matter: the gray matter is arranged intohorns: The posterior horn extends towards the dorsal root, the anterior horn extends towards the ventral horn, and the lateral horn lies between the posterior and anterior horns. </h2>

Explanation:

The posterior horn is associated with the sensory nerve cells, the anterior horn is associated with the somatic motor neuron, and the lateral horn associated with the ANS ( autonomic nervous system).

Posterior horn:

Sensory neurons pass through the dorsal root ganglion after that the dorsal root and in the gray matter the neurons synapse to inter neurons in the posterior horn or may continue to the white matter and  then enter the spinal cord.

Anterior horn:

The motor portion of the nervous system has two parts; i) the somatic motor system and the ii) autonomic nervous system. The somatic motor neuron stimulates the skeletal muscle with stimulation. The somatic motor neuron cell bodies (part of verve cell) are in the anterior horn of the gray matter.

Lateral horn:  

The autonomic motor neuron send stimulation to smooth muscle, cardiac muscle, and glands etc. The cell bodies( part of nerve cell) of the autonomic motor neuron are in the lateral horn of the gray matter.

4 0
3 years ago
Modified organisms may contaminate the natural, wild populations.
prisoha [69]

The genetic technique in the above statement describes an ethical issue of: C. transgenic organisms.

<h3>What is a transgenic organism?</h3>

A transgenic organism can be defined as a type of organism which has been modified with genetic materials obtained from other species of organisms.

Generally, transgenic organisms are typically used in the following areas:

  • Agriculture growth.
  • Biotechnology.

In conclusion, we can infer and logically deduce that the modification of organisms through the use of transgenic organisms may contaminate the natural, wild populations.

Read more on genetics here: brainly.com/question/1548948

#SPJ1

8 0
2 years ago
In which situation is neurotransmitter release from a presynaptic cell most likely to stimulate an action potential in a postsyn
Nezavi [6.7K]

Answer:

In a postsynaptic cell/neuron where a depolarizing change in the membrane potential surpasses the threshold.

Explanation:

Generally, in an excitable cell, the neurotransmitter binding opens the ligand-gated channels at the synapse. Here only the entrance of the ions will not stimulate the action potential. They must exceed the threshold. Hence, an action potential will only get incited when in a postsynaptic cell/neuron, a depolarizing change in the membrane potential surpasses the threshold.

8 0
3 years ago
Which chemical compound is most likely<br> inorganic?<br> H2O <br> C12H22011<br> C6h12o6 I<br> CH4
yawa3891 [41]

Answer: H2O

Explanation: Inorganic compounds usually lack carbon. The “C” in the other answers stand for Carbon.

6 0
4 years ago
A population started with 100 individuals. There were 14 birth, 20 deaths, and new individuals immigrated into the population. A
Korolek [52]

Answer: -6%

Explanation: you take the formula

r (growth rate) = Births (B) - Deaths (D) /

                                           population

So that would be    r = 14 - 20 /

                                         100

so the growth rate was -6%               Sorry about the formatting :/

6 0
2 years ago
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