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GrogVix [38]
3 years ago
7

What are three jobs for smooth er

Biology
1 answer:
sineoko [7]3 years ago
6 0
Smooth ER<span> also regulates and releases calcium ions and processes toxins. It is described as '</span>smooth<span>' to distinguish it from rough </span>ER<span>, which has ribosomes for protein synthesis on its surface. Each organelle in the cytoplasm of a cell is responsible for performing a certain function.</span>
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Why is the movement of basic elements in<br> ecosystems different from the transfer of<br> energy?
Dmitrij [34]

Answer:

Chemical nutrients and energy tend to flow in the same direction for most of an ecosystem. The big difference is that the chemical nutrients are ultimately recycled in the ecosystem while the energy is ultimately lost from the ecosystem to the universe at large. Energy in any ecosystem ultimately comes from the Sun

Explanation:

7 0
3 years ago
who can help me with my science test today 2:00 pm (Central Time Zone) my teacher said theres only 9 questions so plss help​
miskamm [114]
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6 0
2 years ago
Soils contain small or trace amounts of many minerals, including the chemical elements phosphorus, calcium, potassium, magnesium
serg [7]

Answer:

Magnesium, calcium, phosphorous, sulfur these are essential nutrients for plants. These are required in trace quantity but are very important for plant life. Point A. will be correct answer.

Explanation:

As in B. starch n cellulose are composed of only carbon, oxygen and hydrogen.

As in C. These elements are not required on special occasion but are necessary throughout plant life.

As in D.  C H N O  is the primary component plants need but these secondary nutrients are equally necessary for growth n structure of plant.

<u><em>So answer A. Is the correct option.</em></u>

Calcium plays the most important role in structure formation of plants. Also act as messenger molecule in signaling. Deficiency  of calcium caused wilting , weakened stem and ultimately death of plant.

Magnesium is the key element in chlorophyll molecule. It is necessary for chlorophyll formation.

Sulfur is another very important element in plant life, it is necessary for protein synthesis in plants.

Phosphorous plays an important role in  process of cell devision , photosynthesis and respiration.

Potassium is very crucial in gaseous exchange ,it operates the opening and closing of stomata.

3 0
2 years ago
The increase in blood flow to exercising active skeletal muscle relative to other organs is largely caused by the
defon

Answer:

muscle contraction increases interstitial fluid pressure and compresses the blood vessels within the active muscle. As a consequence, blood flow is highest when muscles relax between successive muscle contractions.

Explanation:

7 0
2 years ago
What makes a group of cells a truly multicellular organism?
Anna71 [15]
Multicellular organisms begin as a single cell. These cells then grow and undergo differentiation, the process by which cells develop specialized forms and functions.In multicellular organisms, cells are often organized into tissues, organs, and organ systems.
3 0
3 years ago
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