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Novosadov [1.4K]
3 years ago
13

The stage of cellular respiration called______

Biology
1 answer:
kondor19780726 [428]3 years ago
3 0

The electron transport chain takes place in mitochondria.

<h3><u>Explanation:</u></h3>

Aerobic respiration is the main respiratory system of most of the animals. In humans, it is the exclusive respiratory system. There are three processes involved in aerobic respiration. They are glycolysis, Kreb's Cycle and electron transport chain. The glycolysis takes place in Cytoplasm, and the rest takes place in mitochondria. The Kreb's Cycle takes place in mitochondrial matrix, and the Electron Transport Chain takes place in inner mitochondrial membrane. In the inner mitochondrial membrane are embedded different electron carriers in form of complexes, which are complex 1a, 1b, 2, 3, and 4. Electrons get transported through these carriers and atlast gets accepted by oxygen.

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Specialized cells are formed when cells differentiate.<br> True?<br> False/
victus00 [196]
The answer is True.

When they differentiate, they become a specific cells with a specific function ( eg : brain cells, blood cells, liver cells, etc)

They each have a specific function which is why they're called specialized cells.

Hope this help
4 0
4 years ago
Select the correct answer. betty drew the life cycle of a butterfly for a science exhibition. the life cycle showed the various
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Which statement concerning osmosis and active transport is correct?
marshall27 [118]

The question is incomplete, however, the statements associated with this question is given in the comments and here as well:

Neither facilitated diffusion nor osmosis requires cell energy.

Diffusion of gases and other small molecules requires no energy on the part of the cell.

Active transport requires cell energy and osmosis doesn't.

Both endocytosis and active transport require cell energy.

Answer:

The correct answer is - Active transport requires cell energy and osmosis doesn't.

Explanation:

Osmosis is an example of passive transport as it does not require energy to facilitate the movement of solvent In the process of osmosis,. It moves from high concentration to low concentration through the semipermeable membrane which is along the gradient so no requirement of energy.

In the case of Active transport, it requires energy to facilitate the movement of transport as it is the movement of a substance from low concentration to a high concentration area that is against the concentration gradient.

3 0
3 years ago
Estimate the length of time that it took for CO 2 to from 200 300 ppm
xz_007 [3.2K]

answer:

it took 17,000 years for CO2 to go from 200 to 300 ppm.

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7 0
3 years ago
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Answer:

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