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Bad White [126]
3 years ago
10

Who were the two scientists who discovered the structure of DNA

Biology
1 answer:
Kisachek [45]3 years ago
4 0

Answer:

James Watson and Francis Crick were the first to discover the structure of DNA in the 1950s

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How does the environment affect the organism, and vice versa? what effects, good as well as bad, have humans had on the environm
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In an ecosystem, two factors are being classified which are the abiotic and the biotic factors. Both of these factors play an important role in order to balance the ecosystem and maintain the harmony of the living things therein. The environment includes the abiotic factors which are the sunlight, weather, water, air, and all other factors which are not living but contribute to the growth and development of the living ones. For example, plants cannot live without water, sunlight and carbon dioxide. The effects that humans have on the environment is both good and bad. Humans also play an important role in maintaining the environment, and they also have the capability to endanger it. 
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What is the answer to these two questions
kotegsom [21]

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4.B

5.C

Explanation:

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The Northern and Southern Hemispheres of Earth experience four seasons during the
svp [43]

Answer:

Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.

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2 years ago
•CALCULATE THE ENERGY AVAILABLE AT EACH LEVEL USING THE 10% RULE•
agasfer [191]

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PRODUCER  uses 10000 J

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10% of the initial energy is made available for the next level.

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What is the 2n chromosome number for a normal human karyotype?
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The basic number of chromosomes is designated by 2n and is also called somatic number. In normal human karyotype, the somatic number is 46, so 2n = 46. Human karyotype is also composed of 22 autosomes.
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