bio mols intro

Question 1

what is a covalent bond

Answer 1

a strong bond where 2 atoms share a pair of electrons

Question 2

what is an ionic bond

Answer 2

one atom in a pair donates an electron and the other receives it, held tg by the opposite charges

Question 3

what is a hydrogen bond

Answer 3

where a slightly negative charged atom binds to a slightly positively charged hydrogen atom

Question 4

what is a cation

Answer 4

positively charged

Question 5

what is an anion

Answer 5

negatively charged

Question 6

what elements make up lipids

Answer 6

hydrogen, carbon, oxygen

Question 7

what elements make up proteins

Answer 7

nitrogen, hydrogen, carbon, oxygen, (r group differs, some have sulfur)

Question 8

what elements make up nucleic acid

Answer 8

carbon, hydrogen, oxygen, nitrogen, phosphorous (CHONP)

Question 9

what is an anabolic reaction

Answer 9

smaller molecules join to from larger ones

Question 10

whats a catabolic reaction

Answer 10

larger molecules are broken down into smaller ones

Question 11

what is a condensation reaction

Answer 11

2 molecules join tg, involving the removal of water

Question 12

what is a hydrolysis reaction

Answer 12

whenever a molecule is split apart, involving the addition of water