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erastovalidia [21]
3 years ago
5

Would you expect sound waves to travel faster through a low density gas such as helium or a higher density such as carbon dioxid

e
Biology
2 answers:
Fed [463]3 years ago
7 0
The answer is carbon dioxide
myrzilka [38]3 years ago
5 0

Answer:

Helium

Explanation:

Helium has a lower density so sound waves travel faster through it

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How do the sequence and composition of amino acids in a protein influence how a protein folds up
Fynjy0 [20]

Answer:

See the explanation below, please.

Explanation:

The amino acid sequence of a protein will determine the interactions inside and with the environment (that is, it will influence the conformations that are adopted at physiological temperature: the degrees of freedom). Example: the proline amino acid (Pro) has a cyclic structure, which implies a limitation in the random movement of the polypeptide chain.

In proteins, the primary structure determines the sequence of the amino acid sequence of the polypeptide chain (amount of amino acids present and their order by means of peptide bonds).

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3 years ago
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Answer:

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2 years ago
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givi [52]
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In terms of the characteristics, think about: does it help the organism get food? Does it help protect the organism from predators? If it does, that organism is more likely to survive, and pass the characteristic on to it's offspring. If a bacterium has a characteristic of not being killed by antibiotics, this will help it to survive and breed.
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3 years ago
What does cell theory refer to
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Cell theory refers to the idea that cells are the basic unit of structure in every living thing. Development of this theory during the mid 17th century was made possible by advances in microscopy. This theory is one of the foundations of biology.

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