What group of cone bearing plants belong to?

Cone bearing plants are plants that reproduces by bearing cones. They are also known as conifer and belong to the group of vascular seed plants called gymnosperms. These plants are easy to identify, as they are non-flowering woody plants producing cones, which play a vital role in reproduction. they include pine trees. 

Six amino acids have side chains that are polar but not charged. these are serine (ser), threonine (thr), cysteine (cys), asparagine (asn), glutamine (gln), and tyrosine (tyr). these amino acids are usually found at the surface of proteins, as discussed in the proteins 2 module.