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ozzi
3 years ago
8

_______ digestion takes place in the esophagus, while _______ digestion takes place in the mouth. (1 point)

Biology
1 answer:
Brilliant_brown [7]3 years ago
7 0
B. I think, because they are both mechanical. Don't quote me on that <span />
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Red blood cells are placed in a hypotonic solution.
Arada [10]

Answer:

If Red blood cell is placed in a hypotonic solution, the water moves into the cell. The cell swells and become turgid.

Explanation:

This is a type of osmosis. here plasma membrane of RBC works as semipermeable(only solute can move) osmotic membrane.

We all know that, osmosis is a process where liquid moves across semipermeable membrane from less concentration gradient to high concentration gradient.  

There are three types of solution in respect of the concentration of cell's cytoplasm. These are

  1. Hypotionic (when the solution is dilute than the conc. of cytoplasm). In this condition water moves into the cell and the cell become turgid. this is known as deplasmolysis
  2. Hypertonic ( when the solution is concentrated than cytoplasm), In this condition water moves out from the cell and the cell become flaccid. This is known as plasmolysis.
  3. Isotonic (when both the conc. of cell and solution are same). No osmosis takes place.

6 0
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2 years ago
Các enzyme xúc tác phản ứng thường có cấu trúc bậc mấy? Tại sao?
inna [77]

Answer:

Một phản ứng enzym thường bao gồm một chuỗi các bước như liên kết cơ chất không hóa trị, cấu hình lại hình học của enzym ở trạng thái liên kết, sự biến đổi hóa học của cơ chất thành sản phẩm và giải phóng sản phẩm. (Xin lỗi, tôi không giỏi tiếng Việt lắm nhưng tôi đang cố gắng nên tôi hy vọng điều này sẽ giúp bạn một chút)

8 0
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Which of the following statements about succession is not true?
andrey2020 [161]

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I don't know what is the answer

Explanation:

b

8 0
2 years ago
Hi please help i’ll give brainliest
Sliva [168]

Answer:

2nd one

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Regardless of latitude or time of year, the sun's angle reaches closest to 90 degrees (perpendicular lines are 90 degrees) -- and is therefore at its most intense -- at the midpoint of the day: noon.

5 0
3 years ago
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