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2 years ago

PLEASE HELP !!! Describe how and where viruses reproduce and the function of RNA and DNA in this process

Biology

1 answer:

Zigmanuir [339]2 years ago

6 0

Answer:

Some viruses attack animal cells. They attach themselves to the host cells and inject the genetic material, which in turn produces new Q-viruses in the host cells. The viruses either have RNA or DNA as their genetic material.

Explanation:

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Are molecules larger or smaller than cells and why?

VashaNatasha [74]

Answer:

they are smaller then cells

Explanation:

they are composed of many atoms

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3 years ago

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Starch molecules are too large to pass through the

mario62 [17]

Answer:

If the beaker was not cleaned, starch could have been in it.

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2 years ago

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Craig Venter’s group chose to create a synthetic life-form using a bacterium as their test subject. They inserted synthetic DNA

vodka [1.7K]

Answer:

The team would have to replace the nucleus.

Explanation:

Prokaryotic cells, such as the Mycoplasma capricolum cell used in the experiment do not contain either membrane bound organelles or a defined nucleus. Prokaryotic DNA floats around freely in the cytoplasm in a region called the nucleoid.

The genetic material of eukaryotic cells is protected by a membrane bound nucleus. Therefore, in order to replace an animal cell's DNA, the whole nucleus has to be removed.

Example:

In the process of cloning, the oocyte (egg cell) that receives the nucleus (from somatic cell) of the desired species or individual has to be enucleated i.e. its own nucleus has to be removed. This process is called somatic cell nuclear transfer.

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2 years ago

Bacteria and other microbes can be used to "clean up" an oil spill by breaking down oil into carbon dioxide and water. Two sampl

SVETLANKA909090 [29]

Answer:

Sample A

T= 21.3% and A= 21.3%

G=28.7% and C= 28.7%

SAMPLE B

T=28.7% and A= 28.7%

G= 21.3% and C= 21.3%

Sample A would have higher melting temperature

Explanation:

According to given information, sample A contains 21.3% thymine.

Percentage of adenine in sample A= 21.3% (Since adenine base pairs with thymine, so, adenine and thymine are present in equal amount in a double stranded DNA)

Total of A+T in sample A= 21.3 + 21.3 = 42.6%

G+ C content of sample A= 100-42.6= 57.4%

Percent G content of sample A = 57.4/2 = 28.7%

Percent C content of sample A = 28.7%

SAMPLE B:

According to the given information, sample B contains 28.7% thymine.

Therefore, percent of Adenine base in sample B= 28.7%

Total of A+T content in sample B= 28.7 + 28.7 = 57.4%

G + C content of the sample B = 100-57.4= 42.6%

Percent G content of the sample B= 42.6/2= 21.3%

Percent C content of sample B = 21.3%

There are three hydrogen bonds between a GC pair while there are only two hydrogen bonds between AT pair. The DNA content with higher GC content has higher melting temperature. Therefore, sample A would have higher melting temperature.

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3 years ago

Do you think it could be ethical to hunt a species to extinction to meet the needs and wants human society

Luda [366]

Answer:

Explanation:

This species that we would be killing off is innocent and not volunteering for this.

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3 years ago

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