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Sunny_sXe [5.5K]
3 years ago
5

Chief cells secrete inactive pepsinogen in order to prevent acid erosion inside of the chief cells. True or False

Biology
1 answer:
Vladimir [108]3 years ago
3 0

Answer:

The statement is false.

Explanation:

At the base of the oxyntic gland, in addition to the parietal cells, the chief cells (peptic cells) are located, mainly in the lower half of the gastric glands, these cells have large basophilic zymogen granules, more prominent in the apical region and responsible of the secretion of pepsinogen proteolytic enzymes, a relatively constant fraction of pepsinogen I released by the chief cells is absorbed by the blood instead of passing into the gastric lumen. The stomach acid transforms pepsinogen into pepsin, which breaks down proteins in food during digestion.

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3 years ago
Division of labour occurs even at cellular level. Explain this statement.
OleMash [197]
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3 years ago
A plane is traveling at 80 m/s. To prepare for landing, it decreases its speed to 50 m/s in 120 s.
emmainna [20.7K]

Answer:

The deceleration of the plane is 0.25 m/s^{2}.

Explanation:

Deceleration is the converse of acceleration.

From first law of motion, we have;

v = u + at

where: v is the final velocity, u is the initial velocity, a is the acceleration and t is the time taken.

Thus,

v = 50 m/s

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t = 120 s

50 = 80 + 120a

50 - 80 = 120a

-30 = 120a

a = \frac{-30}{120}

  = -0.25

a = -0.25 m/s^{2}

The deceleration of the plane is 0.25 m/s^{2}.

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Are all adaptations good?
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Answer:

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Reduce the number of trips you take in your car.

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Avoid burning leaves, trash, and other materials.

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Explanation:

mark me as brainiest pls :)

8 0
3 years ago
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