Chemical indicator, any substance that gives a visible sign, usually by a color change, of the presence or absence of a threshold concentration of a chemical species, such as an acid or an alkali in a solution.
Answer:
- Hydrogen bonds will hold two DNA strands together.
- The sugars and phosphate groups are located on the exterior of the helix.
- Base pairing will always be between a purine base and a pyrimidine base.
<em>I hope this helps you</em>
<em>:)</em>
It’s national park and I have to do the same as I have to get some money drops and then we will have a lot to go back on and I get the same
When a liquid goes from a liquid state to a gaseous state it is called evaporation
