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vovikov84 [41]
3 years ago
14

Which of the following explains why cells differentiate?

Biology
2 answers:
tankabanditka [31]3 years ago
4 0

Answer:

more cell types are needed to perform specialized functions in multicellular organisms

Explanation:

Cells in a multicellular organism differentiate to produce more cells that perform specialized functions. Each cell type in a multicellular organism has special features that enable it to perform a particular function effectively. In plants, cell differentiation occurs at the stem and root.  The meristematic cells differentiate into either an epidermal, parenchymal or a vascular tissue depending on location.

Tatiana [17]3 years ago
4 0

Answer:

<u><em>The correct option is C) more cell types are needed to perform specialized functions in multicellular organisms</em></u>

Explanation:

Multicellular organisms are more complex as compared to unicellular organisms. To perform different functions, the multicellular organism requires different types of cells each specialized to perform its function.

The cells in an organisms body differentiate into specialized cells so that each cell can perform a specific function which is necessary for the maintenance of the multicellular organism. Hence, cells differentiate so that they can have the ability to perform specialized functions.

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On an expedition to a barren land that had witnessed volcanic activity, geologists noticed heavy lichen growth on some of the ha
Ksenya-84 [330]
I think the correct answer from the choices listed above is option A. The process that is being described above is called succession. Ecological succession is the process of change in species structure in a community as time goes by. Hope this answers the question.
6 0
3 years ago
Refer to Figure 12-2. Which of the following is the series of amino acids encoded by
svetlana [45]

Answer: D

Explanation:

Okay so look at the diagram. Start from the middle and work your way out.

AUG: I find A in the middle (the first four) and then go to the part of the diagram that has U right under the last letter you had, so A. And do the same for U, and you should get methionine.

Repeat this process for the other two.

6 0
2 years ago
Why is the sympathetic nervous system referred to as the fight or flight system?
Nat2105 [25]

As you can see from the diagram below, the human nervous system is divided into two main components, the peripheral nervous system and the central nervous system.

The peripheral nervous system is further divided into two components. The somatic nervous system involves the voluntary movement of skeletal muscle. When you decide to raise your cup of coffee to your mouth, that is the somatic nervous system at work activating the appropriate muscles. The second component of the PNS is the autonomic nervous system, which controls processes that are out of our conscious control.

The autonomic nervous system is further subdivided into the parasympathetic nervous system and the sympathetic nervous system (which you are interested in). In very generalized terms, they have antagonistic effects on each other. The sympathetic nervous system generally activates the body, whereas the parasympathetic nervous system primarily acts to relax the body. This is a simplified view of things, but it is useful to think of it in this way.

The sympathetic division of the autonomic nervous system increases heart rate, inhibits digestion, relaxes bronchi in the the lungs to allow more airflow, causes the release of glucose from the liver, and relaxes the bladder. All of this activates the body, prepares it for a "fight".

In contrast, the parasympathetic division reduces heart rate, constricts bronchi in the lungs, and increases blood flow to the digestive tract. It has been called the "rest and digest" system.

As you can see from the diagram, the nerves of the parasympathetic nervous system come directly from the brainstem and spinal cord. However, with the sympathetic nervous system, there are "ganglia" (groups of cell bodies) outside the spinal cord itself.

Interestingly, the parasympathetic nervous system only uses Acetylcholine (ACh) to exert its effects on organs, but the sympathetic nervous system uses both ACh and norepinephrine (NE) to activate the body.

Its important to remember that the sympathetic and parasympathetic nervous systems are autonomic, meaning we generally have little control over them.

6 0
2 years ago
HURRY PLZ
artcher [175]
I think the answer is scientific research sorry if I’m wrong
7 0
2 years ago
Body composition is BEST described as __________.
Dmitrij [34]
Answer;
Body composition is best described as the ratio of fat to other tissue in a body.

Explanation;
Body composition is the portion of fat and fat-free mass in the body. Lower percentage of body fat and a higher percentage of fat-free mass (muscles, bones and organs) indicates a healthy body composition. Body composition is important as it is used to asses the health and fitness level. The fat-free mass includes the bone, water, muscle, organs and tissues, these tissues are metabolically active, burning calories for energy while body fat is not. 
8 0
3 years ago
Read 2 more answers
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