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castortr0y [4]
3 years ago
10

Rough ER is connected to the system membrana and to

Biology
1 answer:
ella [17]3 years ago
3 0
Ribosomes are attached to<span> the </span>membrane<span> of the </span>ER, making it “rough<span>.” The RER is also </span>attached to<span> the nuclear envelope that surrounds the nucleus.</span>
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During exercise, epinephrine and norepinephrine are released from the adrenal medulla. Epinephrine and norepinephrine have the s
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Answer and explanation:

Epinephrine and norepinephrine are two hormones that are released from the adrenal medulla when the body is under stress (like during exercise, for example) as a part of the sympathetic response.

These hormones have many functions and they all work together to prepare the individual for a fight or flight response -<em> like increasing heart rate and producing bronchodilatation</em>. One of these functions is the rise of glucose levels in blood which is important for this substance to reach several tissues, like the skeletal muscle. The skeletal muscle will make use of this glucose to produce ATP and generate the required energy for muscle contraction through a process called glycolysis, which is key for the fight or flight response mentioned above.

When we exercise, glucose levels rise thanks to these hormones so the skeletal muscle can have enough energy to contract and move as we want. If the exercise is too intense or prolongued, glucose levels will drop and other fuels will be needed to sustain this activity, like stored glycogen and fat.

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3 years ago
Which organelle is the most important in a cell? Prove your reasoning by describing what the important functions are and how the
anzhelika [568]

Answer:

The most important organelle in a cell is the nucleus. Because it contains DNA which is in control of directing all the activities of a cell. And all the RNAs needed for the cell are synthesized in the nucleus

Explanation: I’m doing the DBA now

3 0
3 years ago
1. C3N2H4<br><br> 2. AIBr3<br><br> 3. C6H5F<br><br> 4. CrO3<br><br> 5. H2O2<br><br> 6.C12H22O11
MakcuM [25]
A. Organic compounds - C₃N₂H₄ , C₆H₅F and C₁₂H₂₂O₁₁

Organic compounds are compounds which have Carbon except few compounds such as carbon dioxide, cyanide. Other than Carbon, other elements also present such as Hydrogen, Oxygen and Nitrogen. But Carbon is considered as the main element of organic compounds. 

B. Inorganic substances - AIBr₃ , CrO₃ and <span>H</span>₂<span>O</span>₂

Inorganic substances are the compounds which do not own C-H bonds. Most inorganic compounds do not have carbon as their element except few. (Cyanides, carbon dioxide, carbon monoxide and so on are considered as inorganic although they have carbon).
6 0
3 years ago
The study of energy and its transformations is called ___
Verdich [7]
Answer should be <span>Thermodynamics </span>
4 0
3 years ago
Read 2 more answers
3. What material does the nucleus contain? What is the purpose of this material? The nucleus contains "the cell's genetic materi
ludmilkaskok [199]

Answer:

The nucleus contains "the cell's genetic material, DNA." DNA makes protein molecules to help with almost every cellular process

Please said thanks

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3 years ago
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