biological molecules

Question 1

polysaccharide elements

Answer 1

carbon
hydrogen
oxygen

Question 2

polysaccharide subunits

Answer 2

monosaccharides (glucose, fructose and galactose)

Question 3

polysaccharide structure

Answer 3

branching in starch and glycogen, long, straight, parallel chains in cellulose

Question 4

polysaccharide bonding

Answer 4

glycosidic bonds

Question 5

polysaccharide variability

Answer 5

little/no variability

Question 6

polysaccharide function

Answer 6

storage, structure and energy source

Question 7

lipids/triglycerides - not polymers elements and subunits

Answer 7

carbon hydrogen oxygen

glycerol and fatty acids

Question 8

lipids structure and bonding

Answer 8

large molecules - non-polar

ester bond

Question 9

lipids variability

Answer 9

little/no variability

Question 10

lipids functions

Answer 10

membranes, storage, energy source, protection, insulation and waterproofing

Question 11

proteins elements and subunits

Answer 11

carbon hydrogen oxygen nitrogen

amino acids

Question 12

proteins structure

Answer 12

can be fibrous or globular and side chains of amino acids variable

Question 13

proteins bonding and variability

Answer 13

peptide bonds

variable

Question 14

proteins functions

Answer 14

structural, enzymes, hormones, transport, protective, contraction and storage

Question 15

nucleic acids elements and subunits

Answer 15

carbon hydrogen oxygen nitrogen and phosphorus

nucleotides

Question 16

nucleic acids structure and bonds

Answer 16

Dna forms double helix, mRNA is straight chain and tRNA has a “clover-leaf” shape
phosphodiester bonds

Question 17

nucleic acids variability and functions

Answer 17

variable
coding information (DNA)
protein synthesis (mRNA and tRNA)
energy store (ATP)
secondary messengers (cAMP)