BIO 151 EXAM SCRIPT COMPLETE QUESTIONS AND CORRECT ANSWERS LEARNING RESOURCE

BIO 151 EXAM SCRIPT COMPLETE
QUESTIONS AND CORRECT ANSWERS
LEARNING RESOURCE

●● Macromolecules
Answer: polymers built from monomers


●● long molecule consisting of similar or identical building blocks
-typer of bonding: covalent
Answer: polymer


●● true or false: lipids are chain like molecules
Answer: false


●● Dehydration rxn
Answer: -synthesizing a polymer
removes H2O molecule , forms a new bond


●● Hydrolysis
Answer: -breaking down a polymer
-adds H2O molecule, breaks bond

,●● Important macromolecules
Answer: -sugars
-lipids
-proteins


●● Sugars
Answer: -monosaccharides
-disaccharides
-polysaccharides


●● example of monosaccharides
Answer: glucose
galactose
fructose


●● disaccharides are two monosaccharides joined together by
Answer: glycosidic linkage


●● glycosidic linkage
Answer: a covalent bond formed by dehydration rxn.

, ●● cite polysaccharides
Answer: -starch
-glycogen
-cellulose
-chatin


●● -Little to no branching, stored in plants, slower energy but lasts
longer
-stores glucose
Answer: starch
structure
function


●● -a lot of branching
-faster energy
-stores glucose for energy
Answer: glycogen


●● -straight fiber
-structure of plant cell walls
Answer: cellulose