C. It’s the most intelligent answer I’m stuck between that or B but I’m almost positive it’s c
Answer:
D) It would contain less nitrogen.
Explanation:
In an investigation of the cycling of environmental gases, a student placed water and bromthymol blue in each of four test tubes as shown in the diagrams below. No additional items were placed in tube 1, a snail was placed in tube 2, an aquatic plant (elodea) was placed in tube 3, and both a snail and an elodea were placed in tube 4. The tubes were then stoppered and placed in bright light for 24 hours. The solution in tube 3 changes after 24 hours because it would contain less nitrogen.
The dfferent tubes are shown in the picture that I uploaded.
Answer:
True
Explanation: These experiments were the first time DNA was accepted as anything other than a protein.
Answer:
One of the two X chromosomes is randomly and permanently inactivated in cells other than egg cells, this is called <u>X-inactivation</u> or <u>lyonization</u>
Explanation: This is all I could find, sorry if it's not what you need.