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kow [346]
3 years ago
14

What happens to the chemical energy that is extracted from molecules by cellular activities but that is not used for cellular wo

rk?
Biology
1 answer:
ale4655 [162]3 years ago
8 0

<u>Answer:</u>

<em>That chemical energy which is not used for cellular work is used to contribute to the entropy of the system. </em>

<u>Explanation:</u>

The <em>chemical energy is stored in the form of sugar in plants and as fats or lipids</em> is used to store energy in animals. The entropy of the system in plant cell is used to produce carbohydrates by <em>combining the water and carbon dioxide. </em>

<em>Humans and animals convert energy obtained from food as fat for the long-term storage of the energy.</em>

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nadezda [96]
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What is the difference between bottom-up and top-down controls in ecosystems?
NARA [144]

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A bottom-up system concentrates attention on how resources (space and nutrients) influence higher trophic forms , whereas a top-down system focuses on interactions at top level consumers (predators) and their prey influence on lower trophic forms.

Explanation:

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3 years ago
Classify each statement based on whether it describes prokaryotes only, eukaryotes only, or can describe both prokaryotes and eu
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Answer:

unicellular - both prokaryotes and eukaryotes

contain mitochondrion - eukaryotes only

are generally less than 2 pm - Prokaryotes only

multicellular - eukaryotes only

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Explanation:

Prokaryotes are generally unicellular, that is, they are made up of single cells only. However, there are unicellular and multicellular eukaryotes with some eukaryotes like humans and advanced plants having as many as millions of cells.

Prokaryotes generally lack nucleus and other membrane-bound organelles such as chloroplast and mitochondrion. Eukaryotes on the other hand have nucleus and membrane-bound organelles such as mitochondrion and chloroplast.

When it comes to size, prokaryotes are generally small and microscopic while eukaryotes consist of both microscopic and macroscopic cells or organisms. However, prokaryotes are generally smaller than microscopic eukaryotes.

7 0
3 years ago
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Which statement about the geosphere is true?
nekit [7.7K]

The mantle being made of nickel and iron is the correct statement about the geosphere and  is denoted as option B.

<h3>What is Geosphere?</h3>

This is referred to the solid part of the earth and consists of rocky materials present in it.

The geosphere has the mantle which is made up of materials such as iron and nickel which are metals and are responsible for their rigid solid structure thereby ,making it the most appropriate choice.

Read more about Geosphere here brainly.com/question/842883

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1 year ago
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