How does a vaccination make someone immune? can you include these words:
● antigen
● antibody
● white blood cell
● specific
● pathogen

Which flexible structure that supports the nerve cord and led to the backbone

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

What are they five steps of cloning?