1.1 Introduction to biological molecules Flashcards
1
Q
What is a covalent bond?
A
a bond where atoms share electrons in outer shells , a more stable molecule is formed.
2
Q
What is an ionic bond?
A
ions with opposite charges bond to each other, electrostatic attraction between bonds is known as an ionic bond, ionic bonds are weaker than covalent bonds
3
Q
What is hydrogen bonding?
A
the polar molecule means that the slightly positive charge on one hydrogen atom can bond onto the negatively charged part of another hydrogen atom
4
Q
How are polymers made from monomers?
A
polymerisation
5
Q
What do condensation reactions AND hydrolysis reactions do?
A
Condensation reaction - forms polymers and produces water
Hydrolysis reaction - breaks down polymers using water
