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katrin [286]
3 years ago
8

ANSWER NOW OR ELSE! XD JK JUST NEED HELP QUICK.

Biology
2 answers:
JulijaS [17]3 years ago
5 0
Your answer should be D
kifflom [539]3 years ago
3 0

Answer: Option D

Explanation:

The given statement is false based on the experiment because he made cow pox vaccine a better choice for immunity against small pox.

The small pox vaccine cannot be used for the vaccine against cow pox because it has high fatality rate and even if the person survives it can suffer from scarring and lingering.

So, giving attenuated form of small pox vaccine could be dangerous so it cannot be used for the production of cow pox vaccine.

Hence, option D is False.

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There is no attached table, so it could not be told precisely which of the four molecules is the DNA. But, it is known that DNA consists of deoxyribose, guanine, and phosphate. 
The base unit of DNA is called a nucleotide. The nucleotide consists of a nucleobase (adenine - A, thymine - T, cytosine - C, and <u>guanine -G</u>), a monosaccharide <u>deoxyribose</u>, and a <u>phosphate </u>group. <span>By knowing this, it is easy to choose which molecule of those is the DNA.</span>
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3 years ago
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Anna71 [15]

Answer:D

Explanation:

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3 years ago
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Answer:

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Ectotherms are also called called cold-blooded animal because their bl body temperature regulation is dependendent on external sources, such as sunlight or a heated rock surface. Some of the examples of ectotherms are fishes, amphibians, invertebratesand reptiles. The aquatic ectotherms body temperature is usually compare closely to the temperature of the surrounding water

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