What travels through a food chain or web?

1 answer:

3 0

Energy travels through a food chain/web. When an organism eats another organism, the energy from the food is passed to the eater. For example, we humans eat food to give ourselves enough calories (energy) to function properly.

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In the ______, the cells responsible for insulating neurons with myelin are called _______, whereas in the ______, the cells res

mario62 [17]

In the _PNS_, the cells responsible for insulating neurons with myelin are called _Schwann cells_, whereas in the _CNS_, the cells responsible for insulating neurons are called _Oligodendrocytes_.

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4 years ago

A strand of DNA that is 36 nucleotides long codes for how many amino acids?

Margarita [4]

Answer:

See answer below

Explanation:

Hi there,

Assuming this DNA strand is fully capable of being mature mRNA (5' m7G cap and PolyA tail), nucleotides lead to an mRNA codon, which is 3 nucleotides per codon. In turn, 1 codon leads to 1 amino acid. However, as a single strand, it must be capable of terminating translation, which always requires a stop codon, and thus 3 nucleotides. Hence, we must subtract this from the total amount of codons <em>first</em>.

$36 \ ncltd \ \frac{1 \ codon}{3 \ ncltd} = 12 \ codon\\12 \ codon - 1 \ codon \ = 11 \ codon\\11 \ codons\ \frac{1 A.A.}{1 \ codon} = 11 \ A. A.$

Hence, only 11 amino acids will be coded by a single DNA strand 36 ncltd long.

thanks,

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Why are reliable results important in scientific endeavor?

castortr0y [4]

Because reliable conclusions are trustworthy and applicable

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How fast do seismec waves caused by earthquakes travel

Ipatiy [6.2K]

Seismic wave fields are recorded by a seismometer, hydrophone (in water), or accelerometer. The propagation velocity of the waves depends on density and elasticity of the medium.Velocity tends to increase with depth and ranges from approximately 2 to 8 km/s in the Earth's crust, up to 13 km/s in the deep mantle.

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Regions of Earth experience seasons at different times.

Sidana [21]

Answer: I believe it is 4

Explanation:

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3 years ago

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