coolstacie
30.11.2021 •
Biology
1) Ao estudar a evolução da espécie humana moderna, observamos o surgimento de várias características em espécies ancestrais que beneficiaram seu estabelecimento e sucesso no ambiente. Entre essas características, podemos citar a bipedia e o desenvolvimento de ferramentas. A primeira espécie reconhecida como capaz de fabricar artefatos de pedra é chamada de:
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Ответ:
Explanation:
The shape of DNA is a double helix, which is like a twisted ladder. The sides of the ladder are made of alternating sugar and phosphate molecules. Deoxyribose, which is a pentose, and a phosphate group are the two molecules that together form the two sides of the DNA. The rungs of the ladder are pairs of 4 types of nitrogen bases.