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3 years ago

What structure most directly stimulates a skeletal muscle fiber to contract?

Biology

1 answer:

kondor19780726 [428]3 years ago

4 0

The right answer is motor neuron.

A motor neuron is a nerve cell that is directly connected to a muscle and controls its contraction. Motor neurons are the exit route from the central nervous system or the final route of any motor act. The cellular bodies of the motor neurons are located either in the brainstem or in the ventral horn of the gray matter of the spinal cord.

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Creating new biofuels is an example of ____. A) white biotechnology B) red biotechnology C) blue biotechnology D) green biotechn

mash [69]

Answer:

A. White biotechnology

Explanation:

White biotechnology is also known as industrial biotechnology. White biotechnology converts microorganisms and enzymes into industrial goods like chemicals, plastics, and energy supply.

Biofuel is fuel made up of organic matter and are mostly used for transportation. A good example would be ethanol which is mixed with petroleum. The mixture increases the combustion performance and decreases the carbon monoxide emmisions of the vehicle.

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3 years ago

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After reading jared diamonds "the worst mistake in human history" article. compare and contrast the lives of people before, duri

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To science we owe dramatic changes in our smug self-image. Astronomy taught us that our earth isn't the center of the universe but merely one of billions of heavenly bodies.
From biology we learned that we weren't specially created by God but evolved along with millions of other species.

Why was agriculture the worst mistake in human History?

Along with epidemic diseases, starvation, and malnutrition, farming also contributed to the creation of severe class distinctions.
Hunter-gatherers rely solely on the wild plants and animals they catch each day, with little to no food stored and no concentrated food sources, such as an orchard or a herd of cows.

Was the agricultural revolution good or bad?

Between 1700 and 1870, it is thought that both total agricultural output and output per worker increased by a factor of 2. 7 times.
Britain's agriculture is the most productive in Europe thanks to the Agricultural Revolution, with 19th-century yields up to 80% higher than the continental average.

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2 years ago

Six material emmisions of taal volcano?

s2008m [1.1K]

Answer:

water vapor, carbon dioxide, and sulfur gases (and ash, during an eruption and depending on the volcano).

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3 years ago

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Peoples choices can sometimes have negative effects on their own health as well as the health of your well-being of others descr

valina [46]

Answer

a good environment could mean better people better love and kindness bad environment could mean problems in your future and/or daily life this can affect everybody and anybody

Explanation:

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3 years ago

An acid is best defined as: Select one:

AveGali [126]

Answer:

A.) a substance with ph between 0 and 7.

Explanation:

as acid has pH value between 0 to 7.

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3 years ago

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