Answer:
Chargaff discovered base pairing rules. Franklin took X-ray photographs that revealed that DNA has a spiral structure. This finding helped Watson and Crick create a model of DNA and discover the double-helix.
Explanation:
Answer: The nucleus
Explanation: It directs the cell's activities in the plant and animal cells.
Answer:
Stimulus
Explanation:
The answer is stimulus. In plural it would be stimuli.
True, reddish-yellowish color on pH paper shows acidity
Lose body fat or weight.
Losing weight, even 10-20% can reduce your risk of diabetes and lead to the treatment of it.