How many chemicals in cigarettes are known or suspected to cause cancer?
more than 10
...
![subject](/tpl/images/cats/biologiya.png)
Biology, 13.10.2019 06:30 Kstearns694
How many chemicals in cigarettes are known or suspected to cause cancer?
more than 10
more than 20
more than 50
more than 75
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Biology
![image](/tpl/images/cats/biologiya.png)
![image](/tpl/images/cats/biologiya.png)
![image](/tpl/images/cats/biologiya.png)
![image](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 21:40, falishaduncanovmtz2
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
You know the right answer?
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 20.05.2020 21:00
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 20.05.2020 21:00
![Konu](/tpl/images/cats/en.png)
English, 20.05.2020 21:00
![Konu](/tpl/images/cats/en.png)
English, 20.05.2020 21:00
![Konu](/tpl/images/cats/biologiya.png)
Biology, 20.05.2020 21:00
![Konu](/tpl/images/cats/mat.png)
Mathematics, 20.05.2020 21:00
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 20.05.2020 21:00