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7nadin3 [17]
2 years ago
12

Which of the following statements regarding transcellular transport is NOT true? The movement of glucose into the blood is media

ted by GLUT2 transporters. Tight junctions are specialized regions of the plasma membrane that mediate separation of the apical and basolateral membranes. Transcellular transport moves glucose across epithelia asymmetrically. The Na+ concentration gradient across the membrane is the only gradient required to drive uptake of glucose from the intestine.
Biology
1 answer:
alexira [117]2 years ago
6 0

Answer:

Tight junctions are specialized regions of the plasma membrane that mediate separation of the apical and basolateral membranes.

Explanation:

Transcellular Transport is the pathway in intestinal epithelial cells where particles move from one cell to another depending on the physicochemical properties of the particles passing both the the apical membrane and basolateral membrane. Tight junctions create a paracellular barrier in epithelial and endothelial cells protecting them from the external environment

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On the Galapagos Islands, Darwin observed tortoises with domed and saddle-shaped shells. How did Darwin's observations of these
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Answer:

The correct answer would be C.  The tortoises provided evidence that different species have adaptations suited to their particular environments.

Darwin observed that how different environment on different island lead to the development of different species as a result of adaptations and natural selection.

For example, tortoise inhabiting well-watered islands which used to have short and cropped vegetation had developed a dome-shaped shell.  

In contrast, the tortoise inhabiting the arid islands had developed saddle-shaped shells. It is because they needed to stretch their necks in order to reach branches of cactus and other vegetation available in the area.  

Consequently, they developed long necks and high peak to the front edges of their shells. It made it possible for them to stretch their heads vertically.

7 0
2 years ago
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Quarantine is the modern strategy which could have assisted with the treatment of this communicable disease.

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8 0
1 year ago
What does it mean to be in the path of totality?(1 point)
tia_tia [17]

Answer:

Option B You are on part of Earth that is in the umbra of the moon’s shadow

Explanation:

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7 0
2 years ago
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Answer:

Solutions are formed when the water's polar molecules separate the polar molecules of an ionic or molecular compound

Explanation:

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List the four parameters of water quality measured.<br><br> Can someone tell me what this means..?
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Answer:

Each station that measures the water quality characteristics....

Explanation:

like temperature and water level maybe....

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