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Ugo [173]
3 years ago
12

If deletion of a control element causes a decrease in gene expression, what must be the normal role of that control element?

Biology
1 answer:
vampirchik [111]3 years ago
7 0

Answer: i think the answer is b. To activate gene expression; the level of gene expression increases because repressors are not able to bind to the enhancer without the control element.

Explanation:

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The respiratory system and the circulatory.

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Yes a population can only handle a certain amount of people .

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Naily [24]

Answer:

Because Intercalary meristems are found in the the stem part of the sugarcane in whole length.

Explanation:

  • As we have studied about meristem regions, that these are the regions found at the nodal areas which are able of cell division and growth.  Intercalary meristem are present in the nodes of sugarcane stem which lead to the rapid increase in elongation of stem.
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4 0
3 years ago
How are humans affecting the global food<br> supply?
Alex787 [66]
We humans are affecting the global food supply because of climate change. As you know the world is super polluted and threat of climate change is the collapse of food systems: Other threats — flooding, storms, forest fires — may be more sudden and severe in certain regions, but disruptions in food supply will affect virtually everyone.
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Which best describes how waste is secreted in each system
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Answer:

The digestive system excretes a solid waste, and the excretory system excretes liquid waste.

Explanation:

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Excretory system, on the other hand, is a system in the body that removes homeostatic wastes from the body by using a process which is called excretion. Excretory includes organs such as liver, sweat glands, lungs. Among this, the liver plays a critical role in the secretion of homeostatic wastes in the form of fluids.

The excretory system collects and then filters excess water which is present in the body and then excretes it as a liquid waste either from the liver, kidneys, or sweat glands on the skin through sweating.

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