Biology: Unit 2 Macromolecules Test Questions With Correct Answers
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Course
Macromolecules
Institution
Macromolecules
Biology: Unit 2 Macromolecules Test
Questions With Correct Answers
What does the term organic compound mean? - answercontains carbon
What elements do all macromolecules have? - answerCarbon, Oxygen, Hydrogen (some have
N & P in addition)
What are macromolecules used for? - answeraccomplishing ...
What is a polysaccharide? - answer✔Long chains of glucose molecules bonded together
What stored form of glucose do plants use? - answer✔starch
What stored form of glucose do animals use? - answer✔glycogen (in liver)
How do glycogen and glucose relate with homeostasis? - answer✔As glucose fills in blood, it is
removed and stored in the liver as glycogen. When blood sugar drops, the glycogen is broken
down back into glucose and put back in the blood stream.
What polysaccharide do plants use for structure and how? - answer✔Cellulose - has many
internal hydrogen bonds and thus is strong enough to be used as *cell walls*
How is cellulose different from starch? - answer✔cellulose used to build, starch is used for
storage
Describe the structure of cellulose? - answer✔has up and down linkage of glucose, and therefore
can't be broken down (FIBER)
What polysaccharide do animals use similarly to cellulose? - answer✔Chitin (ex: lobsters have
exoskeleton made of chitin)
What is the only carb that includes Nitrogen and has more internal bonds? - answer✔Chitin
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