When someone is lactose intolerant, it means its intestine cannot absorb lactose, which will stay in the lumen and be consumed by intestinal bacteria and produced gases, that's why intolerant lactose people have flatulence and abdominal pain while eating food with lactose in it.
Let's go back to the question, before being consumed, lactose in the lumen intestine will attract water from the enterocytes to its side by oncotic pressure.
Do not confound oncotic pressure (which concerns macromolecules like sugar or proteins) and osmotic pressure (which concern micromolecules like small ions (sodium potassium and chloride...)).
Prokaroyte have no nucleus. They are simple and small. Whereas eukaryotes are cells that have a nucleus, organelles and<span> a cytoskeleton.
Regarding viruses, they </span>are smaller than most bacterias, are <span>lack cell structure.
In short, viruses are smaller than prokaryotes and a eukaryotes.
Hope this helps !
Photon</span>
You can cross the plant with hom-ozygote and then recessive pollen. Then the height of the progeny will show whether the plant was heterozygous or hom-ozygous. That is how you can find out which one it is.
