Where does our energy from from?

1 answer:

5 0

Our energy supply comes mainly from fossil fuels, with nuclear power and renewable sources rounding out the mix. These sources originate mostly in our local star, the Sun. Electricity falls into its own category because it's an energy carrier and not a primary source.

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Hormones are _____.

serious [3.7K]

Answer:

The correct is B Hormones are chemical signals between cells transported in blood or hemolymph.

Explanation:

Hormones are called chemical messenger of the cell because they transmit chemical information from one cell to the target cell and regulating the functioning of that target cell by activating specific proteins related to the functioning of that target cell.

Hormone is secreted from its source gland such as Pituitarygland, thyroid gland,adrenal gland.After being secreted hormones are transported via the blood stream to the target cell and binds to receptor of that target cell thus allowing the target cell to exert its biological function.

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2 years ago

Describe how scientists and biologists study the world

son4ous [18]

by experimenting the layers of the earth

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3 years ago

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Which cells have more lysosomes a cell in the small intestine or neuron

Ilia_Sergeevich [38]

Answer:

Lysosomes are abundantly found in neuronal cells

Explanation:

Lysosomes are commonly found in the cells of nervous system and specifically abundant in neurons where it can observed at various stages of development. Lysosomes chief function is to degrade cellular wastes.The lysosomes extends from golgi saccules a vesicular body.Its main function is to bind with a membrane of vacuoles containing waste into which lysosomes releases it hydrolytic enzymes degraded waste inside the vacuoles itself and becomes secondary lysosomes.

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3 years ago

Why do humans show variation?

Mars2501 [29]

Answer:

gugkugcoytci6r

Explanation:

Causes of Variation:

Causes of differences between individuals include independent assortment, the exchange of genes (crossing over and recombination) during reproduction (through meiosis) and various mutational events. There are at least three reasons why genetic variation exists between populations.

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2 years ago

Stinging sea anemones live on the claws of a female boxing crab. The boxing crab uses the anemones like boxing gloves, protectin

goldenfox [79]

Answer:

commensalism

Explanation:

One organism is benefited while the other is not harmed or benefited.

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