The thoracic cavity is separated from the abdominopelvic cavity by the diaphragm
Answer:
A is the correct answer
Explanation:
the existed about 3.8to 4.0 billion years ago
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.
the worker ants lay eggs without mating but the worker ants dont have sperm cells tho
Answer:
The six most important characteristics of a civilization are cities, government, religion, social structure, writing, and arts and architecture.
Explanation: