Answer:
Innate immune response.
Explanation:
TLR also called toll-like receptors play crucial role in innate immune response. They are single spanning proteins and are present on dendritic cells and macrophages.
The pathogen when enters the body via skin or epithelial of mucosal membrane, they are recognized by TLR that further activates the immune response.
Walking upright.
You can make a case for all of them, but for three of them indirectly.
But the answer, I think, is walking upright.
You can look at the pelvic bones and femur orientation in the hips. You can also look at the way the skull sits on the vertebra.
Chimpanzees have a skull that sits more downward, because they walk on all fours most of the time. While humans have skulls that sit more horizontally on the vertebra, which allows us to see out on the horizon more easily. We can do that because we stand on two feet.
I hope that helps.
The water will flow out of the cell and into the area with more solutes.
Answer:
A. H+ ions would not flow
Explanation:
Generally if the amount of a substance is equal on both sides of a semi-permeable membrane, nothing is going to happen unless active transport takes place.
However, in this case, nothing would happen since active transport doesn't seem to be used, as I've mentioned before.
