embryonic stem cells could serve as a model to evaluate the physiological effects of environmental pollutants efficiently and cost-effectively.
Cyanobacteria are primitive organisms where chloroplasts are believed to be originated. Now, with the theory of endosymbiosis, this suggests that these organelle from cyanobacteria was engulfed by other organisms which has helped them process light with the help of chloroplasts.
Answer: I would go with A
Explanation: The part of DNA that is used to produce proteins are called ‘Amino Acids’ and they are nitrogen based.
I think the answer you’re looking for is
B.
- I hope this helps, I got it right. Enjoy the rest of your day/night, please make me brainliest!