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- 1. Multiple Choice
Which of the following molecules make up the basic structure of a cell membrane?waxessteroidsfatty acidsphospholipids - 2. Multiple ChoiceThis molecules is aamino acidnucleic acidcarbohydratelipid
- 3. Multiple ChoiceThis molecule is acarbohydratenucleic acidproteinlipid
- 4. Multiple ChoiceSaturated fats are __________ at room temperature.liquidgasesplasmasolid
- 5. Multiple ChoiceWhich of the following elements is NOT found in carbohydrates?CarbonHydrogenNitrogenOxygen
- 6. Multiple ChoiceSimple sugars, like glucose, are calledmonosaccharidesdisaccharidespolysaccharidesstarch
- 7. Multiple ChoiceMany __________ come together to form one ______________.monomers; polymerpolymers; monomer
- 8. Multiple ChoiceProvides long term energy and insulation,lipidscarbohydratesnucleic acidsproteins
- 9. Multiple ChoiceMonosaccharides are monomers ofCarbohydratesLipidsProteinsNucleic Acids
- 10. Multiple ChoiceGlycerol and fatty acids are the monomers ofCarbohydratesLipidsProteinsNucleic Acids
- 11. Multiple ChoiceCarbohydrates are made of...C H OC H O NC H O N PC H O N S
- 12. Multiple ChoiceLipids are made of...C H OC H O NC H O N PC H O N S
- 13. Multiple ChoiceWhat are the four macromolecules?proteins, nucleic acids, carbohydrates, and lipidsmonosaccharides, lipids, polysaccaharides, and proteinsRNA, DNA, proteins, and carbohydratesproteins, DNA, RNA, and steroids
- 14. Multiple ChoiceCarbon chains are principal features of both carbohydrates and lipids. What is the primary difference between these two types of macromolecules?Lipids always have longer carbon chains than carbohydrates.Carbohydrates cannot form rings like lipids can.Lipids provide energy, but carbohydrates cannot.Carbohydrates form ring structures, lipids form long chains
- 15. Multiple ChoiceWhich macromolecule is this?carbohydratelipidproteinnucleic acid
- 16. Multiple ChoiceThe characteristic that all lipids have in common is----made of lots of double bondsacidic when mixed with waterno high energy contentdo not dissolve in water
- 17. Multiple ChoiceUnsaturated fats are __________ at room temperature.liquidssolidstoxicsaturated
- 18. Multiple Choice_________ is a carbohydrate polymer that humans cannot digest and that make up cell walls of plants.StarchCelluloseGlucoseLactose
- 19. Multiple ChoiceWhich of the following about UNSATURATED fats is true?They are more common in animals than in plants.They have double bonds in their fatty acid chains.They generally solidify at room temperature.They contain more hydrogen than saturated fats having the same number of carbon atoms.
- 20. Multiple ChoiceA fatty acid chain with only C-C bonds (single bonds) is ________________ and makes the molecule a solid at room temperature, like butter or lard.saturatedunsaturated
- 21. Multiple Choice
What are the organic molecules used for long-term energy storage called?
starches
fats
cholesteral
sugars
- 22. Multiple Choice
What kind of lipid acts as chemical messengers?
fatty acids
waxes
steroid hormones
phospholipids
- 23. Multiple Choice
What are two parts of a fat molecule?
glycerol
carbohydrates
cholesterol
fatty acids
phospholipids
- 24. Multiple Choice
Which of the following describes the bonds in a saturated fat?
only one single carbon to carbon bond
at least one double carbon to carbon bond
more than one carbon to carbon bond
all single carbon to carbon bonds
- 25. Multiple Choice
What is the main function of phospholipids?
chemical messengers
waterproof covering
long-term energy storage
major component of cell membranes
- 26. Multiple Choice
Through photosynthesis, plant cells convert light energy into chemical energy. Which macromolecule is produced during this process?
lipids
Carbohydrates
proteins
nucleic acids
- 27. Multiple Choice
Which of the following is considered a monosaccharide?
glucose
sucrose
starch
cellulose
- 28. Multiple Choice
Similar to starch, cellulose is a complex carbohydrate. Which of the following compounds make up cellulose
amino acids
enzymes
sugars
lipids
- 29. Multiple Choice
Plants store glucose as starch. How do animals store glucose?
as cellulose
as lactose
as glycogen
as fructose
- 30. Multiple Choice
Which 3 elements are most commonly found in carbohydrate molecules?
Carbon
Hydrogen
Oxygen
Phosphorus
nitrogen
- 31. Multiple Choice
Which 3 of the following are considered carbohydrates?
glucose
nucleic acid
starch
cellulose
carbon
- 32. Multiple Choice
Which 3 of the following are considered polysaccharides?
cellulose
glucose
starch
chitin
galactose
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