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Gala2k [10]
3 years ago
13

1 ) Explain how the surface area and volume of cells affect the rate of exchange of materials in and out of cells in multi cellu

lar organisms.
Biology
1 answer:
Finger [1]3 years ago
5 0
The smaller the surface area of a cell the easier it is the allow nutrients to enter the cell and have wastes exist the cell quickly. less energy is used!
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It is a simulated model
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Which of the following is not a characteristic of a prokaryote
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Does no have membrane bound organelles

Explanation:

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All the answers shown are parts of Prokaryotes.

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In which way does the circulatory system rely on the skeletal system
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<h3><u>Answer;</u></h3>

<em>The marrow in the bones of the skeletal system helps produce the cells in the blood, which is the key fluid of circulatory system</em>

<h3><u>Explanation;</u></h3>
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4 0
3 years ago
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What is the name of the unique area (specific region) that a lymphocyte recognizes and binds to?
AlladinOne [14]

Answer:

a. antigen

Explanation:

The Immune system is composed of immune cells  that  defend the body against foreign substances such as bacteria or virus. Lymphocytes (B and T cells) are one of the main immune cells

Lymphocytes have the ability to recognize and bind to antigens, wich are substances foreign to the body ( i.e bacterial or virus elements) that evokes an immune response.

6 0
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PLEASE HELP this is a free response question.
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Answer:

oxygen is an element and water is a compound

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oxygen is made up of two atoms and water is made up of two elements

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