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defon
3 years ago
12

Based on observations of natural phenomena is it a scientific theory

Biology
1 answer:
Naya [18.7K]3 years ago
8 0

You would need more than natural phenomena for a scientific theory because a theory is a proposed explanation whose status is still conjectural and subject to experimentation, in contrast to well-established propositions that are regarded as reporting matters of actual fact.

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When 15n-labeled aspartate is fed to animals, the 15n-label rapidly appears in many amino acids. What reactions are occurring to
malfutka [58]

Aspartate + a- keto acid >> Oxaloacetate + a amino acid

This reaction is occur because the a- keto acid in the equation can come from any amino acid, the 15 N from aspartate is rapidly transferred to other amino acids.

15N is symbol use as the isotope of nitrogen with mass number 15. comprises of 0.4 % of stable nitrogen found, so the relative abundance of each in amino acid is simply a reflection of how much is found in nature in general.

This isotopes is enrichment of the labelled amino acids was determined following a previously developed procedure comprising by determination of the spectral purity of the selected natural abundance amino acids.

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2 years ago
In what era did primate evolve<br><br> a. mezozoic<br> b. paleozoic<br> c. cenozoic
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Answer:

b

Explanation:

5 0
3 years ago
2. How is an introduced species different from a native species?
AlekseyPX
An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there by human activity, directly or indirectly, and either deliberately
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2 years ago
The right-hand side of the cellular respiration equation contains energy. What is the source of this energy?
emmainna [20.7K]

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Chemical energy stored in glucose

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What is the difference between natural selection and artificial selection?
sweet [91]

Natural selection is a process of adaptation by an organism to the changing environment by bringing selective changes to its genotype or genetic composition.

Artificial selection, also called selective breeding, is the process where humans identify desirable traits in animals and plants and use these traits to develop desirable phenotypic traits by breeding.

Some examples of natural selection include the selection of long-necked giraffes and the changes in the size and shape of beaks of birds according to their feeding habits.

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8 0
3 years ago
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