'Chemical origins' presentation slideshows

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577 views • 41 slides

The Origins of Life

The Origins of Life. The Big Bang occurred about 18 billion years ago, creating the universe. The Earth formed about 4.6 billion years ago. Life on Earth probably originated between 3.5 and 4 billion years ago. Evidence of First life Stromatolites.

281 views • 12 slides

Biochemistry

Biochemistry. By Alexander Petroski. Overview of Biochemistry. Biochemistry is the application and study of chemicals interacting with biological structures. Began around the 20 th century when scientists fused biology, chemistry, and physiology together.

407 views • 8 slides