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blondinia [14]
2 years ago
8

What Are The Three main parts of small intestine ? and explain jejunum iliem are adapted for absorption of nutrients.?​

Biology
1 answer:
katrin2010 [14]2 years ago
8 0

Answer: The duodenum, jejunum, and ileum.

Explanation:

The jejunum is roughly 2.5 meters in length, contains plicae circulares (muscular flaps) and villi to absorb the products of digestion.

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The hydrologic, rock, and tectonic cycles are all interconnected. In the rock cycle, water moves regolith during _____, and the
iren [92.7K]
 <span>The hydrologic, rock and tectonic cycles are all interconnected. In the rock cycle, water moves regolith during EROSION, and the tectonic cycle resurfaces rock through UPLIFTING. 

In short, the answer would : erosion, uplifting.

Hope this helps !

Photon</span>
8 0
3 years ago
Read 2 more answers
What is derived trait chart used for?
Minchanka [31]

Answer:

Derived traits shared among the species or other groups in a dataset are key to helping us build trees. As shown above, shared derived traits tend to form nested patterns that provide information about when branching events occurred in the evolution of the species.

Explanation:

I hope this helps

8 0
2 years ago
The preferential use of phosphatidylinositol and phosphatidylethanolamine in the cytoplasmic leaflet of membranes leads to incre
spayn [35]

Answer:

The best answer to the question: The preferential use of phosphatidylinositol and phosphatidylethanolamine in the cytoplasmic leaflet of membranes leads to increased:___ would be, D: All of the answers are correct.

Explanation:

There is still a lot of debate among scientists as to the exact way in which phospholipids are distributed between the two leaflets of a cell´s plasma membrane, but what they do know is that there are four kinds, and that phosphatidylinositol (a sterol) and phosphatidylethanolamine appear most commonly on the cytosolic, or cytoplasmic side of the membrane. They also believe that it is this particular arrangement which allows the cytoplasmic side of the membrane to be slightly negatively charged and this role will play a major part in a membrane´s ability to generate an action potential. Also, it is known that these negatively charged ends of the bilayer will allow certain proteins, positively charged ones, to be inserted, and connected to it, to become transporters, or mediators in action potentials and normal activities of cells. Finally, since fatty acids and cholesterol are associated with phospholipids, but have a tendency to be attracted to these particular two types, they tend to give the overall structure fluidity, but also permit  the inner leaflet to assume its particular circular shape around the cytoplasm. This is why the answer is D.    

4 0
3 years ago
People with type ab blood are considered the "universal recipient" for transfusions because their blood is plentiful in a and b
Murrr4er [49]

The correct answer is their blood lacks A or B antibodies.

People with type AB blood have A and B antigenes on the surface of red blood cells (RBCs). Antigen AB  has no antibodies, thus, transfusion can be considered safe ( the serum of the recipient does not contain antibodies for the blood cell antigens of the donor).


3 0
3 years ago
¿Todas las venas conducen sangre pobre en oxigeno?
Amanda [17]

Answer:

El aparato circulatorio unidireccional transporta sangre a todas las partes del cuerpo. Este movimiento de la sangre dentro del cuerpo se denomina «circulación». Las arterias transportan sangre rica en oxígeno del corazón y las venas transportan sangre pobre en oxígeno al corazón.

Explanation:

4 0
2 years ago
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