Biology, 30.06.2019 11:10 jaidencoolman7072
Which methods of gene regulation are shared by both prokaryotes and eukaryotes? a) elaborate packing of dna into chromosomes b) activator and repressor proteins that attach to dna c) the addition of a cap and tail to mrna after transcription d) lac and trp operons
Answers: 2
Biology, 22.06.2019 02:50
Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above
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Biology, 22.06.2019 09:40
Me 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?
Answers: 1
Which methods of gene regulation are shared by both prokaryotes and eukaryotes? a) elaborate packin...
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