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The process of organization in a cell is the way things are organized so they work properly. The sequence of increasing organization is: atom, molecule, organelle, and cell.
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What does the presence of similar DNA sequences in the genes in very dissimilar organisms imply?
The presence of similar DNA sequences in genes of very dissimilar organisms implies a common ancestry or evolutionary relationship. These similarities suggest that these organisms share a common ancestor and have inherited these sequences through evolution.
How can the relatedness of very dissimilar organisms be determined?
The relatedness of very dissimilar organisms can be determined by comparing their genetic material, such as DNA or RNA sequences. By analyzing these sequences, scientists can identify similarities and differences that can indicate how closely or distantly two organisms are related in terms of evolution. Additionally, studying shared characteristics, such as anatomy or biochemistry, can also provide insights into the relatedness of organisms.
Proteins can be used to determine how closely related organisms are because amino acid sequences are determined by an organism's?
genetic code. Organisms that share more similar amino acid sequences in their proteins are likely to be more closely related than those with differing sequences. This similarity can help scientists infer evolutionary relationships between different species.
What is a piece of DNA with two or more organisms sequences?
A chimeric DNA molecule is composed of DNA sequences from two or more different organisms. This can result from genetic engineering techniques like recombinant DNA technology, where genes from different species are combined to create a new DNA sequence with desired traits. Chimeric DNA is commonly used in creating transgenic organisms and in biotechnology applications.
How are amino acid sequences used in classification?
Amino acid sequences are used in classification by comparing the similarities and differences in the sequences of proteins across different organisms. This comparative analysis can reveal evolutionary relationships, helping to classify species based on genetic lineage. Additionally, specific sequences can indicate functional traits, aiding in the identification of protein families and the understanding of biological processes. Ultimately, these sequences serve as crucial data for phylogenetic studies and taxonomy.
Why are DNA sequences more similar in more closely related organisms?
DNA sequences are more similar in closely related organisms because they share a common ancestor and have undergone fewer genetic changes over time. As organisms diverge and evolve, mutations accumulate in their DNA, leading to differences in their genetic sequences. Therefore, closely related organisms have had less time to accumulate mutations, resulting in more similar DNA sequences.
What is a phylogenetic probe?
Signature sequences identify groups of organisms
What does the presence of similar DNA sequences in the genes in very dissimilar organisms imply?
The presence of similar DNA sequences in genes of very dissimilar organisms implies a common ancestry or evolutionary relationship. These similarities suggest that these organisms share a common ancestor and have inherited these sequences through evolution.
How do you think the variation in amino acid sequences would impact the functionality and characteristics of different organisms?
The variation in amino acid sequences can impact the functionality and characteristics of different organisms by affecting the structure and function of proteins. Changes in amino acid sequences can alter the shape and activity of proteins, leading to differences in biological processes and traits among organisms.
How do biologists learn which organisms were the ancestors of today's plants.?
By tracing evolutionary sequences
How do asexually reproducing organisms pass on hereditary information?
sequences of a t c&g
What are the sequences of how cells form into species?
Cells--tissues--organs and organ systems---organisms.
All organisms have a genetic code made of?
All organisms have a genetic code made of these three nucleotide sequences called codons.
How can the relatedness of very dissimilar organisms be determined?
The relatedness of very dissimilar organisms can be determined by comparing their genetic material, such as DNA or RNA sequences. By analyzing these sequences, scientists can identify similarities and differences that can indicate how closely or distantly two organisms are related in terms of evolution. Additionally, studying shared characteristics, such as anatomy or biochemistry, can also provide insights into the relatedness of organisms.
Proteins can be used to determine how closely related organisms are because amino acid sequences are determined by an organism's?
genetic code. Organisms that share more similar amino acid sequences in their proteins are likely to be more closely related than those with differing sequences. This similarity can help scientists infer evolutionary relationships between different species.
How are nucleotide sequences used to put organisms in evolutionary order?
When comparing nucleotide sequences in organisms, we find that the organisms that have less differences in their nucleotide sequences are closer related in the evolutionary tree. By this we mean that the common ancestor from which these two organisms evolved is more modern than the ancestor they might share with an organism that shows more difference in the DNA sequencing. Example: the chimps and humans share a common ancestor that is relatively modern because the difference in their nucleotide sequences is just about 1% but the differences between the nucleotide sequence of humans and fish shows lots of differences which shows their common ancestor y much older than the one with chimps.
How can DNA sequences be utilized in creating phylogenetic trees?
DNA sequences can be used to create phylogenetic trees by comparing the similarities and differences in the genetic code of different organisms. By analyzing these sequences, scientists can determine the evolutionary relationships between species and construct a visual representation of their evolutionary history.
