BIO 181 Lecture Notes - Lecture 6: Glycosidic Bond, Monosaccharide, Ribose
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12 Jan 2017
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please i need help with this qustions answer the multiple choice that is all and be clear not writes un clear stuff just asnswer the qustions please
Question 1
Starch is: (select all the correct answers)
an energy storage carbohydrate in plants |
an energy storage carbohydrate in animals |
a structural carbohydrate in plants |
a polymer of glucose |
Question 2
The monomers in starch are joined together by which type of linkage?
beta 1-4 glycosidic linkage |
alpha 1-4 glycosidic linkage |
alpha 1-6 glycosidic linkage |
Question 3
Glycogen is: (select all that are correct)
a polymer of glucose |
a long chain molecule with very few if any branches |
an energy storage carbohydrate in plants |
a highly branched molecule with alpha 1-4 & alpha 1-6 glycosidic linkages |
has many beta 1-4 glycosidic linkages |
an energy storage carbohydrate in animals |
Question 4
What type of reaction will break down glycogen and produce glucose molecules?
Dehydration |
polymerization |
depolymerization |
Hydrolysis |
Question 5
Cellulose is: (select all that apply).
an energy storage carbohydrate in plants |
has both alpha 1-4 and beta 1-4 glycosidic linkages |
a structural carbohydrate in plant cell walls |
a polymer of glucose |
a structural carbohydrate in animals |
Question 6
In cellulose, covalent bonds link glucose monomers and hydrogen bonds hold the long glucose chains together.
True |
False |
Question 7
Chitin is: (select all that apply)
a polymer of glucose |
can be used as sutures |
a structural carbohydrate in plants |
a structural polysaccaride found in the exoskeleton of animals like arthropods |
an energy storage carbohydrate in animals |
Question 8
Lipids are not true polymers?
True |
False |
Question 9
Steroids are lipids
True |
False |
Question 10
A fat is composed of
4 fused carbon rings |
a glycerol and 3 fatty acids |
a phosphate a glycerol and 2 fatty acid chains |