Because it’s time consuming and money consuming to observe from space so models are required
B
less field space will be wasted
Answer:
When a gel is stained with a DNA-binding dye, the DNA fragments can be seen as bands ... At the molecular level, the gel is a matrix of agarose molecules that are held ... the DNA fragments will glow, allowing us to see the DNA present at different ... By comparing the bands in a sample to the DNA ladder, we can determine ...
Explanation:
Prokaryotic cells would be plant cells
eukaryotic cells would be human/animal cells