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Kay [80]
3 years ago
15

Why is Natural Selection is considered a scientific fact

Biology
2 answers:
klio [65]3 years ago
6 0
Surivial of the fittest between species.
TiliK225 [7]3 years ago
5 0

Answer:

Because we can see it happen in the animal kingdom

Explanation:

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pancreatic acinar cells produce and secrete digestive enzymes into the duodenum. What would happen if pancreatic acinar cells we
zhannawk [14.2K]

Answer:

The correct answer is: Uncontrolled release of digestive enzymes into the duodenum.

Explanation:

  • SER or the Smooth Endoplasmic Reticulum is the major location in the cells where fatty acids and steroid molecules are produced.
  • These fatty acid molecules form the structure of the various membranes in the cell, including the plasma membrane and organelle membrane.
  • The membrane system of the cells gives them a structural integrity.
  • Disruption of the SER of the pancreatic acinar cells by a toxin will prevent the synthesis of lipid molecules which forms the membranes in the cell.
  • This will cause the membrane to lose its integrity, fluidity, flexibility and the ability to prevent unregulated movement of molecules across them.
  • The digestive enzymes need to secreted by the pancreatic acinar cells into the duodenum only when food is available in the duodenum for digestion.
  • But loss of the ability of the plasma membrane of the pancreatic acinar cells to regulate the flow of molecules across itself (due to disruption in the lipid production by SER) causes the unregulated flow of digestive enzymes out of the cells into the duodenum as soon as they get produced.
7 0
3 years ago
What is the amount of starlight received on earth​
andrey2020 [161]

The answer is: Apparent Magnitude

8 0
3 years ago
which of the following best describes the relationship between the structure of the cell membrane and its function?
forsale [732]
  <span>The proteins that are embedded in the cell membrane act as channels to transport substances in and out of the cell.</span>
6 0
3 years ago
The central sulcus separates which lobes?
zhannawk [14.2K]

Answer:

Central sulcus separates the frontal and parietal lobe of the brain.

Explanation:

Central sulcus is the fold present in the brain. Central sulcus is also known as central fissure.

Central sulcus is the landmark of the brain and separates the frontal lobe from the parietal lobe. Central sulcus are the grooves that are present in the cerebral cortex. These sulcus increases the surface area of the brain.

Thus, the frontal and parietal lobe of the brain is separated by central sulcus.

6 0
3 years ago
2 ways a tree is important to the water cycle?
mars1129 [50]
One way is that it add water to the atmosphere. Another way is that the trees and leafs provides the oxygen
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4 years ago
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