If the bill is counterfeit and the paper is wood-based, the iodine in the pen solution will react with the starch and leave a dark brown or black mark.
Answer:
Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.
Explanation:
Answer:
Geothermal energy
Explanation:
Geothermal energy is the heat that comes from the sub-surface of the earth. It is contained in the rocks and fluids beneath the earth's crust and can be found as far down to the earth's hot molten rock, magma.
PCR, or polymerase chain reaction is used to take a section of dna and force it into a - millions of identical copies of a DNA fragment
PCR (Polymerase chain reaction) - It is defined as a technique that is used to make millions of identical copies of a DNA fragment in a few hours. This technique is commonly used for a variety of applications like- genotyping, cloning, mutation detection, sequencing, micro arrays, forensics, and paternity testing etc.
All the above is correct.
