Answers: 2
Biology, 22.06.2019 21:40
According to the rna world hypothesis, rna acted as the genetic material and catalyzed reactions in ancient cells. what conclusion can you draw from this? a. this implies that dna and proteins aren't essential in cells today. b. this implies that rna can catalyze any chemical reaction that enzymes catalyze. c. this implies that if a cell has a problem with its dna, its rna can compensate for the damaged dna. d. this implies that dna and proteins evolved after rna.
Answers: 2
Biology, 23.06.2019 00:10
1. beginning with all chambers of the heart in the "relaxed" phase, describe the cardiac cycle in mammals, with systole and diastole of the atria and ventricles. for each time point in the cycle you select, state the following: • whether the atria and ventricles are contracting or relaxing • whether the av valves and semilunar valves are closed or open • whether the pressure in the atria and ventricles is high or low
Answers: 2
Biology, 23.06.2019 01:00
Why did benjamin franklin refuse to write the declaration of independence? a. he did not want his humor to distract from the document's purpose. b. he was not from a southern colony. c. his poor vision made it difficult to write.
Answers: 2
The earth's crust is made up of and trace metals....
English, 06.09.2020 05:01
SAT, 06.09.2020 05:01
Mathematics, 06.09.2020 05:01
Mathematics, 06.09.2020 05:01
Business, 06.09.2020 05:01
Mathematics, 06.09.2020 05:01
Mathematics, 06.09.2020 05:01
Computers and Technology, 06.09.2020 05:01
Social Studies, 06.09.2020 05:01
Advanced Placement (AP), 06.09.2020 05:01
Mathematics, 06.09.2020 05:01
Mathematics, 06.09.2020 05:01
Mathematics, 06.09.2020 05:01
Social Studies, 06.09.2020 05:01
Geography, 06.09.2020 05:01