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Alex Ar [27]
3 years ago
13

Oxygen unloading occurs at the _________________________ This process causes a(n) _________________ in the oxygen partial pressu

re of the blood leaving this region.
Biology
1 answer:
Papessa [141]3 years ago
7 0
<span>The answer to this question would be: tissues; decrease

Oxygen is delivered to the tissue by the heart. It will be unloaded in the tissue, causing the oxygen level in the blood to be decreased. After that, the blood also picks up the carbon dioxide so its level will be increased. 
In lungs, the carbon dioxide will be unloaded and oxygen will be loaded back into the blood.</span>
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What is the relationship between ionic bonds and cleavage
4vir4ik [10]
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Explanation:

8 0
3 years ago
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Claim: No tools to discover the impending Cell Theory.

Reasoning:
Schleiden and Schwann, as well as Virchow, are generally seen as the founders of the cell theory, due to their pioneering scientific work in the 1800s. The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells.

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(Two Dutch spectacle-makers and father-and-son team, Hans and Zacharias Janssen, create the first microscope.) Matthias Schleiden observed that all plants were made of cells from the microscope and Theodor Schwann observed that all animals were also made of cells. Rudolf Virchow observed that cells only come from other cells Virchow saw cells dividing and added that living cells arise only from other living cells. These ideas led to cell theory, which states that all organisms are made of cells, all life functions occur in cells, and all cells come from other cells.
3 0
3 years ago
What is meant by the following statement about the cell membrane?
AysviL [449]

Answer:

The cell membrane is semipermeable because allows only certain molecules to pass through.

Explanation:

Semipermeability is a common property of cell membranes, due to their predominantly lipid composition, which gives them a hydrophobic character.

The cytoplasmic membrane is constituted by a double layer of lipids, in addition to structural proteins and glucides, which prevent the entry of polar or charged molecules. This characteristic allows lipids and small molecules without charge to pass freely through it.

Regarding the other options:

<em>     A. Cell membranes are associated with lysosomes, structures that contain enzymes. However, this characteristic is not related to semipermeability.</em>

<em>     C. They allow the passage of small molecules - devoid of charge - through them.</em>

<em>     D. Not all non-polar molecules pass through, as some need a transporter.</em>

6 0
3 years ago
Read 2 more answers
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