Answer:
B. Sulfur (S)
Explanation:
Learned this in Physics and Chem, hope this helps!
I believe the positive control receives a treatment with a known response, so that this positive response can be compared to the unknown response of the treatment. This is used in electrophoresis to compare the DNA strands to the DNA standard. The negative control is used when no response is expected, which is also used in the process of electrophoresis. Electrophoresis is a technique used in laboratories in order to separate macromolecules based on size. It applies a negative charge so proteins move towards a positive charge. It is sued for the analysis of both DNA and RNA.
Answer:
bases
Explanation:
Bases don’t occasionally react with metals.
I hope It helps! Have a great day!
Lilac~
Fun Fact: Rubber bands last longer when refrigerated.
Answer:
c lunar and solar eclipse
Explanation: