Answer:
1) Alfred Wegener, in the first three decades of this century, and DuToit in the 1920s and 1930s gathered evidence that the continents had moved. They based their idea of continental drift on several lines of evidence: fit of the continents, paleoclimate indicators, truncated geologic features, and fossils.
Explanation:
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Ribonucleic acid, the basic unit of RNA, has a hydroxyl (-OH) on the second carbon atom. On the other hand, the deoxyribonucleic acid, the basic unit of DNA, has a single hydrogen in the second carbon. This chemical structure difference makes RNA heavier than DNA due to the extra carbon atom.
The RNA/RNA-DNA hybrids can be separated from double-standard DNA using a high-resolution centrifuge due to this difference in weight. The image belows shows the extra oxygen atom in the 2' carbon
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Answer:
1. Mitochondrial DNA-Creates strands if DNA from small samples of DNA at crime scenes.
2.Genes-Inherited from one's mother and is found outside of the cell nucleus.
3.Mitochondria-The small structures in the cell that are responsible for creating energy and carry several pieces of DNA.
Hybridization-The basic and fundamental part of heredity.
5.Polymerase chain reaction(PCR)-Binds together DNA with a complimentary DNA sequence.
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