list one key similarity and one key difference between a vaccine and the pathogen it protects against

Round peas are dominant to wrinkled. what would you cross a round pea with to determine if it were heterozygous or homozygous dominant? why? ?

Discuss cell surface transport in the structure of constituents

The earth's oceans are made up of chlorine, and trace elements. a) carbon, oxygen b) oxygen, silicon c) hydrogen, oxygen d) nitrogen, oxygen