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What species form long chains and their cells form a helix?
Desmidium swatzii
When comparing cytochrome sequences among species what species is identical to humans?
Chimpanzee
How do you read DNA sequences?
in cells and genetics
Are more alike DNA sequences more closely related than species are?
Yes, more alike DNA sequences typically indicate a closer evolutionary relationship between species. When DNA sequences are similar, it suggests that the species share a more recent common ancestor. Conversely, greater differences in DNA sequences imply a longer evolutionary divergence. Thus, genetic similarity can be a strong indicator of relatedness among species.
What does the arrangement of the Nucleotides in the cells mean?
The arrangement of nucleotides in cells forms unique sequences that encode genetic information in the form of DNA. These sequences determine an organism's traits, functions, and development. Mutations in the arrangement of nucleotides can lead to genetic variations and potentially influence an organism's characteristics or health.
Closely related species show more in nucleotide sequences than distantly related species?
similarity
When comparing cytochrome sequences among species, which of the following species is identical to humans?
Chimpanzees show the highest similarity to humans in cytochrome sequences compared to other species. This is because humans and chimpanzees share a more recent common ancestor than other species.
True or false the more closely related species arethe more similar their DNA sequences?
True. Generally, the more closely related species are, the more similar their DNA sequences tend to be due to shared ancestry. As species diverge over time, genetic mutations accumulate, leading to differences in their DNA. Therefore, examining DNA sequences can help scientists determine evolutionary relationships among species.
How does DNA sequences can provide evidence of evolution?
DNA sequences can provide evidence of evolution by showing similarities and differences in the genetic code of different species. By comparing DNA sequences between species, scientists can identify common ancestors and evolutionary relationships. Changes in DNA over time, such as mutations and genetic variations, can also provide clues about how species have evolved and adapted to their environments.
Sequences shows a decreasing level of complexity?
organism > organs > tissues > cells
They contain the instructions for building proteins?
Genes contain the instructions for building proteins in the form of DNA sequences. These sequences are transcribed into messenger RNA, which is then translated into the specific sequence of amino acids that make up a protein. This process is essential for the functioning of cells and the entire organism.
. Explain how nucleic acid base sequences are used in phylogenetic classification?
Nucleic acid base sequences are used in phylogenetic classification to determine the evolutionary relationships between different species. By comparing the base sequences of organisms, researchers can identify similarities and differences, which can indicate how closely related species are to each other. This information is then used to construct phylogenetic trees that show the evolutionary history and relatedness of different species.
