The R group is what allows amino acids to form macromolecules with different properties. every amino acid has the same basic structure, the only difference is what the R group is made up of. The similarities allow the amino acids to form a chain while the differences allows them to have different functions. Hope this helped!
Greater body size and facial gracility documented in Homo erectus are likely related to changes in tool technology and increasing access to meat and other proteins. Homo erectus walked just like a modern human, with traits like double arches and adducted big toe, they had a cranial capacity range from 650 cc to 1,200 cc.
Answer:
B.) These continents have become more industrialized.
Explanation:
These continents have become more industrialized. As they have become more industrialized, the economy grows and so does the need for energy.
An example are our arms are similar to other s
Answer:
The answer is ectoderm. The mesoderm is the middle layer of lining. The endoderm is the innermost layer. You can remember it by:
Endo/ sounds like inner
Meso/ M for middle
Ecto/ sounds like exo, bugs have exoskeletons that are on the outside.
Explanation: