How can a single RNA transcript be translated into different polypeptides?

A) tRNA brings random amino acids, so the polypeptide chain will be different every time
B) each codon can specify more than one amino acid
C) there is more than one way to splice (connect Econ’s) and RNA transcript
D) two different genes can produce the same RNA transcript, which will be translated differently

80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?