On our international flights, children under 5 years can enjoy travelling with an accompanying adult who is at least 18 years old and has the consent of the child’s legal parent or guardian. Unfortunately, our unaccompanied minor service is not available for children under 5 years old. Over ...
one α2 chain) forming a right-handed triple helix with a rod-like shape (diameter of about 1.1 nm, length of 300 nm) [3]. The helices are coiled with a staggering of one residue, one with respect to the other. Helicoidal portions of collagen molecules are side by side with non-...