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tankabanditka [31]
2 years ago
8

Please help! After 1973, American scientists began to make serious efforts to develop technologies that create

Biology
1 answer:
kondor19780726 [428]2 years ago
6 0

Answer:

Yes

Explanation:

Yes, because the embargo of 1973 showed how dependent we are on just one type of fuel, so it was necessary to start looking at different ways to create energy.

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Mushrooms, algae, and protozoa are all examples of <br> ___________ cells.
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Answer:

eukaryotic

Explanation:

Fungi (or Mushrooms) are eukaryotic and have a complex cellular organization.

Algae are eukaryotic cells, or cells that contain a nucleus, which makes them slightly more complex than bacteria

Protozoa are single-celled  eukaryotic (organisms whose cells have nuclei) that commonly show characteristics usually associated with animals, most notably mobility and heterotrophy.

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4 years ago
The side chain of serine contains oxygen. water-soluble proteins often contain serine. where would the serine side chain most li
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Answer;

-On the polar end or the hydrophillic end of the protein.

Explanation;

-Each amino acid has at least one amine and one acid functional group as the name implies. The different properties result from variations in the structures of different R groups.The R group is often referred to as the amino acid side chain.

-Side chains which have various functional groups such as acids, amides, alcohols, and Amines will impart a more polar character to the amino acid. Polar amino acids include serine, threonine, asparagine, glutamine, histidine and tyrosine.

Therefore; serine being a polar or hydrophillic  amino acid will be found on the polar side chain of the protein.



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