Answer:
3, Matter cannot be created or destroyed, only transformed
In contrast to the stratified squamous epithelium of the skin, the intestinal barrier is composed of a single layer of columnar epithelial cells However, this single layer of intestinal epithelial cells is made of diverse cell types with absorptive, secretory, and immune function
Carbohydrates? I am not 100% sure tho
Option (B) specialised phagocytic cells
If the mans father could not roll his tongue, then the father has a genotype of rr.
Now if the man (the son) can roll his tongue this mean he has a genotype of either RR or Rr.
Because the father has a genotype of rr, that means the son has to have at least one allele of r.
This means the genotype of the man is Rr.