A water molecule consists of two atoms of hydrogen linked by covalent bonds to the same atom of oxygen. Atoms of oxygen are electronegative and attract the shared electrons in their covalent bonds.
The ribosomes build proteins.
That should make it more clear . Its the same thing . Both seta and cheta or chaete means bristles. I think the term can be used interchangeably.
Answer is C Anaguzman is right i was wrong so i put up this so as not to confuse anyone.
