Please help: Molecules on the surface or at the end of pili that bind to receptors on host cells are called;
protein spikes
Adhesins
complementary protein
fimbriae​

What is the phylum of soft bodied animals with a true bosy cavity and a three part body consisting of a foot visceral mass and a mantle

Identify the area on the image where the force of attraction is the strongest.

Color blindness is a recessive trait. the gene for color blindness is on the x-chromosome. the family tree below shows the trait of color blindness. theonly unknown is the father in the first generation.