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uranmaximum [27]
4 years ago
15

Please help me with this question!

Biology
1 answer:
castortr0y [4]4 years ago
3 0

Answer: It’s the third one they have different weights

Explanation: the weight of the second one is what brought it down to the bottom and the first one didn’t have a lot of weight so it just flouted at the top.

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Some present-day bacteria use a system of anaerobic respiration characterized by an electron transport chain analogous to that f
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Answer:

The correct answer would be:

Neither of these response options accurately features the anaerobic electron transport chain.

Explanation:

The anaerobic respiration system vibrated by an electron transport chain is a mechanism that anaerobic bacteria have to maintain their respiration.

This mechanism does not require oxygen in the atmosphere, that is why it is said to be an anaerobic mechanism.

Bacteria do not all need oxygen in the environment to live, some need that oxygen is not exactly present (strict anaerobes) or that it is at low partial pressures (facultative anaerobes).

This mechanism is very characteristic in its location since it is located in the inner membrane of the mitochondria, that is why it will decide to indicate that option as the correct one.

6 0
3 years ago
What is the role of producers in a food chain?
saveliy_v [14]

Answer:

Producers perform photosynthesis so that consumers have food.

Explanation:

Producers create food from sun, water, and air. They can not eat any other animals because they are too small. They compose photosynthesis so the consumers can get energy from the food they eat, and the food web can continue. Hope this helps!

8 0
3 years ago
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What would happen to an animal cell with an internal salt concentration of 70% if it were placed in a salt solution with a conce
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Answer:
A cell is placed in a highly concentrated salt solution. What will most likely happen to the cell if left in the solution? The cell will shrink in size, losing water due to osmosis.
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Passive transport is the movement of materials across the cell membrane without the use of:
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Passive transport is the movement of materials through the cell membrane without the use of energy.

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If a plant is eaten by an insect, then the insect is eaten by a mouse, then the mouse is eaten by an owl, what does that make th
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An autotroph, turned into energy then waste.

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