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4vir4ik [10]
3 years ago
15

The energy needed to get a reaction started is known as ________________________.

Biology
1 answer:
ElenaW [278]3 years ago
4 0
Your answer is activation Energy
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Photo 51 is a picture of the structure of DNA that was used to create a model of DNA. Who created the photo?
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<span>DNA stands for deoxyribonucleic acid. It has a double strand that contains the genes (a hereditary material) of the organism. It was discovered by James Watson and Francis Crick. Their double-helix structure was based on x-ray diffraction image named as Photograph 51 or Photo 51. It was taken by Raymond Gosling, a pHD student under the supervision of Rosalind Franklin. They used this photo to determine the chemical and physical structure of the DNA and the bond that links the genes altogether. The answer is Rosalind Franklin</span>
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3 years ago
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Where does most of the matter that makes up a tree come from? How do you know?
Alex73 [517]

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The sun

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Hope it helps!

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