eDNA from the skin cells of a fish can be found in water
Answer:
Is this USA Test prep?
I believe that it is all except the 2nd one
Explanation:
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...)).
If there isn’t multiple choice I think it is the ones in the center ring (the closest ring to the center) of the atoms
