Which of the following bonds holds together a protein’s primary structure? a. Hydrogen bonds
b. Dipole-dipole interactions
c. Ionic bonds
d. Covalent bonds

This is a new idea, more effective device or process.this an be viewed as the application of better solutions that meet new requirements, inarticulated needs, or existing market needs. what's the term?

Which group is noted for the independence of gametophyte and sporophyte generations from each other? a) ferns b) mosses, hornworts, and liverworts c) charophytes d) angiosperms e) gymnosperms

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks