Answer: The option that is not true is D) Each amino acid is specified by only one codon.
Codon can be defined as the sequence of three nucleotides ( present in DNA or mRNA) that corresponds to a particular amino acid. It helps in the process of translation as different amino acids ( that are linked to codons) are assembled to give a particular protein according to the sequence of codon.
There are 64 codons and 20 amino acids that make up the proteins present in the living systems. This indicates that several different codons can correspond to the same amino acid.
For instance, amino acid Valine is coded by four codons that is GUC, GUG, GUA, GUU.
Thus, option D) is incorrect.
Biodiversity completely depends on the ecosystem. The <u>increase in biodiversity also leads to an increase in ecosystem stability.
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Further Explanation:
Biodiversity is the term used for <u>describing the variety of species found on earth.</u> It can be animals, plants, microorganisms (bacteria and fungi), etc. the earth is rich in biodiversity; there are so many species that have to be discovered, whereas there are several species that have extinct. The entire living organism forms the ecosystem. It also includes <u>their physical environment and the interpersonal relationship with them.
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<u>Species play a crucial role in the ecosystem.</u> So the extinction or loss of particular species affects the perfect balance of the ecosystem. The <u>ecosystem work in a cycle that means plants absorb the energy from the sun and produce food through the process called </u><u>photosynthesis</u><u>.</u> The plant produced food is called the primary production, which is utilized by the myriad animals. The rate of <u>primary production completely depends on the global food supply.</u> It also increases the rate of climate change. The plants produce carbon dioxide at night time and remove it in the atmosphere. That decreases the variability of the environment and disturbs its original state.
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- Learn more about the exchange of gases by blood cells <u>brainly.com/question/1213217
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Answer Details:
Grade: High School
Subjects: Biology
Topic: Biodiversity
Keywords:
Biodiversity, ecosystem, species, animal, plant, microorganism, environment, extinction, photosynthesis, primary, myriad, global, variability, carbon dioxide.
A) gravitropism is how they "know"