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Fynjy0 [20]
3 years ago
14

Please help if you don't know don't answer. No links, please

Biology
1 answer:
77julia77 [94]3 years ago
3 0

Answer:

Jfjfjdjdjxjdjfhfhfjfkfhfjdjfjfjdbjdjdjd

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An experiment is designed to study the mechanism of sucrose uptake by plant cells. Cells are immersed in a sucrose solution, and
wolverine [178]

Answer:

A proton Pump, using ATP, pumps protons outside

A steady proton gradient with a higher concentration of H+ out of the cell is maintained by the proton pump.

pH decreases;

The gradient becomes sufficient.

H+ moves down electrochemical gradient into the cell; Sucrose moves into the cell.

Explanation:

A proton Pump, using the energy of ATP hydrolysis, pumps protons outside the cell.

A steady proton gradient with a higher concentration of H+ out of the cell is maintained by the proton pump.

The continues outward pumping of protons by the proton pump causes the pH of the extracellular fluid to decrease

At some point the gradient becomes sufficient, and pH reaches a steady slightly acidic level.

H+ moves down its electrochemical gradient into the cell together with Sucrose through the hydrogen ion-sucrose co-transporter.

6 0
3 years ago
Why are conifers so common in American forests?
tiny-mole [99]

Answer:

Answer is C

Explanation:

Coniferous forests grow in a wide range of climates, from the coldest polar regions to the warmest tropical regions and everything in between. The reason they're so prevalent worldwide is because they take advantage of certain environmental conditions that other trees aren't able to live in as well. Conifer trees are adapted for cold and harsh climates. ... The needle-like leaves are an important adaptation to Conifer trees because they do not accumulate much snow, keeping the weight load mild. Even though Tamarack trees lose their leaves in the winter, they are still subject to some snowfall.

7 0
3 years ago
Resumen sobre el agua
Gnom [1K]

Answer:

water is what earth is mainly made of. our bodies are also mainly water.

6 0
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Are viruses alive <br> Explain
malfutka [58]

Answer:

Yes i think so

Explanation:

8 0
3 years ago
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Which action would increase the amount of oxygen in a fish tank?
Mila [183]

Answer:

<u><em>B) Adding more plants</em></u>

Explanation:

Live plants produce oxygen and absorb carbon dioxide and ammonia in the water that fish generate

8 0
3 years ago
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