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The four main nucleotides are Guanine (G), Cytosine (C), Thymine (T) and Adenine (A). DNA is a universal code which means that each nucleotide will have the same meaning in almost all species. There are a few exceptions however, including Viruses with RNA genomes instead of DNA genomes. In these cases, Thymine is switched with a nucleotide called Uracil (U) and so the four nucleotides become G, C, U & A.

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In what way are living organisms on earth similar?

Living organisms on Earth are similar in that they are all composed of cells, they require energy for survival, they can reproduce, and they can respond and adapt to their environment.


The DNA of all living organisms is composed of the same nucleotides It is only the sequence of nucleotides and quantity of DNA an organism possesses that cause the differences between organisms?

Yes, all living organisms share the same four nucleotides that make up DNA: adenine, thymine, cytosine, and guanine. The unique arrangement and quantity of these nucleotides in an organism's DNA are what determine its genetic characteristics and differences from other organisms. These variations in DNA sequence and content contribute to the diversity seen among different species.


What way are living organisms on earth similar?

they all use the same set of nucleotides.


Could DNA extracted from onion be different from DNA extracted from cauliflower why?

Although DNA is composed of the same four nucleotides in all organisms, the sequence of nucleotides is different for each species


Does DNA have same basic structure from all organisms?

Yes, DNA has the same basic structure in all organisms. It is composed of nucleotides that include a sugar-phosphate backbone and four nitrogenous bases (adenine, thymine, cytosine, and guanine). The sequence of these bases varies between organisms, giving rise to genetic diversity.


What do all living things have with each other?

they use the same set of nucleotides.


What connection do all living have with each other?

they use the same set of nucleotides.


What connection do living things have with each other?

they use the same set of nucleotides.


What is the group of organisms of one kind that live in one location?

P-o-p-u-l-a-t-i-o-n


What are the 5 basic levels of the environment?

Biosphere: The highest level of organization composed of all living organisms and their environments. Ecosystem: A community of organisms interacting with each other and their physical environment. Community: A group of populations living and interacting in a particular area. Population: A group of individuals of the same species living in the same area. Organism: An individual living thing.


What connection all living things have with each other?

they use the same set of nucleotides.


Name something in nature that is made of cell and something that is not?

Made of cells: Trees are made of cells, which are the building blocks of all living organisms. Not made of cells: Rocks are not made of cells; they are composed of minerals and do not have the same biological structures as living organisms.