Which of the following amino acids, if present at the sixth position of the B-globin chain, would yield a
non-covalent aggregation of hemoglobin in a low-oxygen environment?

a axis of a graph is a color or shade so we can all go outside and have a party so we can eat   some grilled cheese sammiches and broccoli and have some ugly fun times

i don't know why i put this, i know its not the i was just bored : p

delete this answer while you can

answer: b

coz red blood cells marrow and circulates the body for 120 days.