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kakasveta [241]
3 years ago
14

What is theory of to observe the neucles in cheek cells​

Biology
1 answer:
solong [7]3 years ago
5 0

Answer: The theory of cheek cells is used for the identification of cheek cells.

Explanation:

The cells of cheek do not have cell wall. They have a cell membrane which allows on certain molecules to pass through it. The nucleus is located centrally in the cheek cells and it stores the DNA. It can be stained with the help of the methylene blue reagent. It appears blue in color which can be observed under the microscope. The cheek cells can be isolated from the buccal cavity by using cotton buds and cotton swabs can help in isolating the cells.

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The _______ virus is responsible for causing German measles.
PtichkaEL [24]

Answer:

Rubella.

Explanation:

German measles is a viral infection that causes red rashes on the whole body of an infected person. The disease can be easily spread from infected people to healthy people by sneezing or coughing.

The German measles is caused by rubella virus.Rubella virus contains single stranded DNA as its genetic material. Rubella virus causes fever and swollen lymph nodes in infected individuals.

Thus, the correct answer is rubella virus.

7 0
2 years ago
What are to two types of gametes?A gamete is also known as?
STALIN [3.7K]

Answer:

What are to two types of gametes?

Sperm and Egg

A gamete is also known as?

Sex cells

What is the process called when the fusion of gametes create a zygote?

Fertilization

Is a zygote a diploid of haploid cells?

Diploid

<u>-TheUnknownScientist</u>

5 0
3 years ago
Read 2 more answers
Which is an advantage of using renewable resources
Sphinxa [80]

Answer:

Explanation: Renewable source are energy that is derived from the environment this include sun, wind. This energy have been utilized by many nations and companies for their activities. Fossil fuel is an example of non- renewable. The advantage of renewable energy include; It ability to be available all the time, they are renewed and always available this include sun, wind.

They are cost efficient this is because renewal of this energy is at no cost,they are available in the environment and can be channel for use.

They require no cost of transportation unlike other fossil fuel that will be moved from one place another and they are eco-friendly they do not bring fear of ozone layer depletion and green house gases.

6 0
3 years ago
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Peppered moths come in two colors, black and white. What did Kettlewell show, with regard to peppered moth populations and tree
Sauron [17]
There were more dark moths around factories because trees were darker near factories because of pollution. More light moths were found in the country away from the factories, in the forests with no factory pollution
3 0
3 years ago
16. Which of the following is not a function of nucleic acids?
Taya2010 [7]

Answer:

Energy transfer

Explanation:

Hope this helps :)

7 0
3 years ago
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