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scZoUnD [109]
3 years ago
5

According to cell theory, what do these four organisms have in common?

Biology
2 answers:
timama [110]3 years ago
8 0
A. they are made of one or more cell
MaRussiya [10]3 years ago
6 0

Answer: A) They are made of one or more cells.

Cell theory was proposed by Schleiden and Schwann in 1839.

There are three basic principles of this theory, which are as follows-

  • All life forms are made up one or more cells.
  • The cell is considered as the basic unit of structure and organization in all living organisms.
  • All cells are obtained from already existing cells

Thus, the correct answer is A) They are made of one or more cells.

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B. Mitochondrion

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Is CF more prevalent in some populations verse others?
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5) What is Isokinetic Training?​
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3 years ago
Complete each sentence by dragging the proper word or phrase into the appropriate position. Then place each sentence in order of
hichkok12 [17]

Answer:

1. When two bones join together and fuse so that no visible separation occurs, it is referred to as a(n) <u>synostosis,</u> or bony joint.

2. Bones that join together and are held in place with threads of collagen, form a joint that is called a(n) <u>synarthrosis</u>.

3. The most complex joints are called <u>synovial</u> joints. They display varying amounts of mobility.

4. Bones joined together with cartilage between the ends of the bones, form a joint called a(n)<u> amphiarthrosis</u>.

Explanation:

The ossification of the connective tissue between two bones results in the fusion of them. As a result, now there is one bone instead of two. It's is called synostosis.

A synarthrosis is a joint that has very little or no movement at all. It has threads of collagen around them that keep the joint together.

A synovial joint is a diarthrosis joint. They have a wide range of mobility and are complex due to the number of components:

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  • A synovial membrane.
  • Synovial fluid to lubricate the joint.
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An Amphiarthrosis is a joint with limited mobility. This type of joint has fibrocartilage that connects the two bones. We can find it in the pubic synthesis.

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