which structure of a protein is the second folding of the protein chain?

primary

secondary

tertiary

quaternary

Substances effect: partially blocks (h+)/pyruvate symporter, interfering with the transport of pyruvate into the mitochondria. will this make the body lose or gain weight?

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. the only unknown is the mother in the first generation

What are the three types of counseling established by marine corps policy?