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Alexxandr [17]
3 years ago
14

Which of the following comparisons of the autonomic nervous system (ANS) and the somatic nervous system (SNS) is not true?

Biology
2 answers:
Katarina [22]3 years ago
6 0

Answer:

The correct answer is: D) the SNS contains motor neurons which are excitatory and inhibitory.

Explanation:

Motor neurons have no inhibitory function in vertebrates, as they only carry excitatory information to the neuromuscular junction (the interface between the muscle fiber and this type of neuron) to generate the contraction of the muscle on the receiving end.

Delvig [45]3 years ago
6 0

Answer:

D.the SNS contains motor neurons which are excitatory and inhibitory

Explanation

Autonomic nervous system controls the involuntary body functions such as digestion etc.

The SNS contains motor neurons which are excitatory and inhibitory is false. It was previously believe to be true but now false due to the various exceptions discovered about it.

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C. They are not enclosed by a membrane. 

D is incorrect because Ribosomes do not contain DNA, the nucleolus does.
B is also incorrect because they aren't located outside the cell, they're in the cell, on the endoplasmic reticulum.

Hoped this helped :)
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3 years ago
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The table lists the observations students made about four specimens under a microscope. Based on these observations, what specim
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Answer:

Animal ; prokaryote ; plant ; virus

Explanation:

Animal:  An animal cell possesses cell membrane, ribosomes, lysosomes and nuclear membrane.

Prokaryote:  In a prokaryotic cell, cell wall is present  such as bacteria, ribosomes are present  but nuclear membrane is absent

Plant: A plant cell possesses cell wall, ribosomes, nucleus and a large vacuole.  

Virus:  Viruses reproduces inside a cell  because they do not have their own energy producing system, nucleus is absent  but nucleic acid ( DNA or RNA) is present  

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The bacteria have an initial concentration of 1000 cells/cm3 . Each cell divides once every 30 minutes. Calculate how long it wi
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It will take <u>120 minutes</u> for the concentration to become > 15000 cells/cm³

<u>Given data:</u>

Initial concentration ( density ) = 1000 cells / cm³

Target/final concentration = > 15,000 cells /cm³

<h3 /><h3>Calculating the concentration every 30 minutes </h3><h3 />

<em>note</em><em> : Given that each cell divides every 30 minutes </em>

  • <u>After the first 30 minutes </u>

Concentration = 2000 cells / cm³

  • <u>After 60 minutes </u>

concentration = 4000 cells / cm³

  • <u>After 90 minutes </u>

concentration = 8000 cells / cm³

  • <u>After 120 minutes </u>

concentration = 16000 cells / cm³

Therefore after 120 minutes the concentration of the cells will be greater than 15000 cells/cm³ ( i.e. 16000 cells/cm³ )

Learn more about concentration : brainly.com/question/17206790

4 0
2 years ago
Which of the following is likely abiotic limiting factor of fish in a pond ecosystem? pollution
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Pollution :) Since Abiotic means non living.

Bacteria: Living

Food (worms or smaller fish): Living

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3 0
3 years ago
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Parts of the earth that are utilized in the nitrogen cycle
miskamm [114]

Answer:

Atmosphere and geosphere is the part of the earth which is utilized in the nitrogen cycle.

Explanation:

In nitrogen cycle, the nitrogen which is present in the atmosphere comes down to the earth surface through rainfall. This nitrogen is absorbed by the earth and taken by roots of plants. Some amount of nitrogen is taken by many bacteria such as denitrifying bacteria which converts the soil nitrogen into atmospheric nitrogen and the nitrogen goes again to the atmosphere.

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