A segment of DNA that specifies the sequence of amino acids in a particular protein is called a(n)
a. gene.
b. codon.
c. polypeptide.
d. amino acid.
e. helix.
a
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The contact of Africa and India with the Eurasian continent initiated mountain building
Indicate whether the statement is true or false
The current world stratification system features a substantial contrast between capitalists and workers in the core nations, and workers on the periphery
Indicate whether the statement is true or false.
Describe three specific examples from the text of how humans communicate meaning without verbal language
What will be an ideal response?
The intensification of food production through industrial agriculture
A) would have saved the Greenland colonies if it had been practiced by the Viking settlers. B) was already being practiced by the Egyptians 2000 years ago. C) assures the world's food supply for an indefinite period. D) requires high energy inputs in the form of fuel and fertilizers. E) none of the above.