Question 10 (1 point) An air mass exists in the middle upper part of the US. What type of air mass is this and what are its main
characteristics? Choose ALL that apply Lesson 1.07 Maritime Polar Continental Polar Maritime Polar Maritime Tropical Maritime Tropical Continental Tropical Maritime Tropical Cold dry air mass Forms over land Continental Polar Continental tropical
1 answer:
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Answer:
5 bases
Explanation:
If there are 17 amino acids and only 2 bases that can be combined in order to make a codon then:
for 4 bases is 16 and it is not enough combination for all 17 amino acids
for 5 bases is 25 combinations (meaning that more than one codon could code for the same amino acid).