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amm1812
3 years ago
15

Give an example of how cells can be specialized

Biology
1 answer:
andrey2020 [161]3 years ago
5 0

Some of the examples of specialized cells are Reproductive cells, Nerve cells,blood cells. Red blood cells specialize in carrying oxygen throughout the body.

<u>Explanation:</u>

When a cell performs a function or a task that others cannot do then those cells are called as specialized cells. They are useful in performing special functions like transportation of something throughout the human body.Some of the cells are responsible in performing some special tasks that others cannot do.

Examples of specials ed cells includes nerve cells, blood cells, reproductive cells. These cells are responsible in performing a particular function. For instance nerve cells which are termed as neurons. They are responsible in sending signals with an electrical impulse.  Blood cells are responsible in taking oxygen throughout the human body.

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Why does DNA flow toward the positive electrode of the gel chamber?
Digiron [165]

Answer:

DNA molecules have negative charges, and so when placed in an electric field they migrate toward the positive pole.

Explanation:

Electrophoresis is a technique that <u>uses differences in electrical charge to separate the molecules in a mixture</u>. DNA molecules have negative charges, and so when placed in an electric field they migrate toward the positive pole. The rate of migration of a molecule depends on two factors, its shape, and its charge-to-mass ratio.

A gel, which is usually made of agarose, polyacrylamide, or a mixture of the two comprises a complex network of pores, through which the DNA molecules must travel to reach the positive electrode. The smaller the DNA molecule, the faster it can migrate through the gel. Gel electrophoresis, therefore, <u>separates DNA molecules according to their size.</u>

6 0
3 years ago
Sign and symptoms of a disease depend on point of entry of a pathogen. Justify organ specific and tissue specific manifestation
Leokris [45]

Hi

It is true that the point of entry of a pathogen inside a body hold importance for the spread of pathogen. However, <em>organ and tissue specific manifestation is the real impact of a pathogen in any organism's body. Firstly we need to understand what is meant by Organ and tissue specific manifestation:</em>

It means that the specific organ or specific tissue is when affected by the entry of microbes or pathogens in the body, For example: The bacteria that cause tuberculosis enters the body through nose but manifests its action in lungs when multiplies there and affects the lungs' functionality and ultimately, depict the symptoms such as shortness and difficulty of breathing, this is basically organ specific manifestation.

Moreover, thee are some microbes that enter the body and damage certain tissues, for example HIV virus enters the body through sexual organs and travels to different tissues like nerve tissues, lymphatic system and damage them in a way that body's own immune system when counter reacts the microbes, it causes inflammation in the body and damage to overall tissues, This is called Tissue specific manifestation.

Hope it helps!

3 0
3 years ago
Our bodies do not make starch, but we often eat plant foods which contain starch which we digest into _____________, the buildin
Orlov [11]
The correct answer is glucose. 

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3 years ago
I'll give you a Brainliest for correct answer
Ymorist [56]

Answer:

Nondisjunction causes it

......

7 0
3 years ago
Which of these processes has a cooling effect on Earth?
Bingel [31]

I believe the answer is B: Earth's oceans absorb some of the carbon dioxide from the atmosphere.

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3 years ago
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