What is a main difference in cell structure between an onion cell and a human cheek cell?

Biology

1 answer:

vodomira [7]3 years ago

5 0

An onion cell has a cell wall while a cheek cell does not

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Which of the following amino acids cannot be directly converted to pyruvate?

madam [21]

Answer:

d. Lysine

Explanation:

Lysine ,

Since it can not be synthesized by human body so it is essential in humans and must be obtained from diet . Catabolism of lysine takes place through one of several pathways , most common is saccharopine pathway which takes place in liver . The product formed is acetyl-CoA which is converted to pyruvate through ketogenic pathway .

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2 years ago

ATP serves which function in cells?

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ATP is the main chemical vehicle for biochemical energy transfer within all the cell's domains

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2 years ago

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Law Incorporation [45]

Is there a word bank?

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3 years ago

A farmer notices that the corn in her fields is growing slowly. So she adds twice the normal amount of fertilizer to each field.

Vikentia [17]

<h2>The correct answer is: Eutrophication.</h2>

Explanation:

Fertilizers are inorganic o organic nutrients highly rich in elements like nitrogen, potassium and phosphorus which are essential for the growth of plants.
The application of excess fertilizers in the soil causes the surface run off as well as leaching of these nutrients into the soil from where it is gradually transferred into the nearby water bodies, in this case the lake adjacent to the farmer's property.
In the lake, these nutrients promotes the growth of plants like algae.
The excessive growth of algae in the lake disturbs he ecological balance of the lake and causes a dearth of oxygen in it. This phenomenon is said to be called Eutrophication.
The reduction in the level of oxygen in the lake causes the animals, like fishes, in it to gradually die.

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3 years ago

What is evapotranspiration?

11111nata11111 [884]

When water is transferred from land to atmosphere by evaporation from the soil and by transpiration plants.

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2 years ago

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