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Test your basic knowledge |
Biology: Essential Nutrients
Start Test
Study First
Subjects
:
science
,
biology
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. _____________ are made of one glycerol and three fatty acid chains.
Monosaccharides
Non-polar
Carbohydrates
Triglycerides
2. _______ are non-polar molecules.
Lipids
amino acids
Phospholipids
Carbohydrates
3. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
Protein structures
plant
100g
Carbohydrates
4. __________________ are formed by MANY monosaccharides linked together.
Polysaccharides
sugar molecules
100g
Essential amino acids
5. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
Macronutrients
Lactose
Triglycerides - phospholipids - waxes - sterols
Waxes
6. Proteins create ___________ that bring reactants together faster or slower.
Enzymes
Glucose - Galactose - Fructose
Starches
synthesis
7. _____________ ________ _____ are the eight amino acids our body cannot make.
Essential amino acids
100g
Glycerol - fatty acid
Lipids
8. __________ are the structural components of the cell.
Proteins
Phospholipids
Waxes
plant
9. ____________ creates cholesterol - estrogen and pheromones.
glycogen
vitamins and minerals
Sterols
glycogen
10. ______ of fat = 3870 kJ of energy.
Glucose - Galactose - Fructose
complex chemicals
100g
Carbohydrates
11. Vitamins and Minerals are often found in __________ _________.
amino acids
complex chemicals
Defense
Hydrolysis
12. _____________ are made of one glycerol and three fatty acid chains.
nitrogenous
Triglycerides
cushion - insulates
lipds
13. ___________: to lose a water molecule.
dehydration
Sucrose
dehydration synthesis
Key components
14. Macronutrients consists of carbohydrates - proteins - and _______.
three
carbohydrates
lipds
Coagulation
15. Proteins create _____________ that affect growth and serve as messengers.
Lactose
carbohydrates
vitamins and minerals
Hormones
16. Carbohydrates are structural material for ______ ______.
Lipids
plant cells
Anabolism
glycogen
17. ____________: when molecules have the same chemical formula but different structures.
Lipids
Twenty - Twelve - Eight.
Isomers
Tertiary Protein Structure
18. __________________ are formed by MANY monosaccharides linked together.
Macronutrients
Transport
Polysaccharides
Sterols
19. _____________ contain up to 1000-6000 glucose molecules linked together.
saturated - unsaturated
Isomers
Disaccharides
amylopectin
20. The three types of Polysaccharides are starch - glycogen - and _____________.
cellulose
plant
Non-polar
lipds
21. All _____________ have different proteins (amino acids)
synthesis
Enzymes
Anabolism
Animals
22. _______________ consists of carbohydrates - proteins - and lipids.
Carbohydrates
dehydration synthesis
Macronutrients
four
23. ______ of carbs = 1680 kJ of energy.
100 g
Double layered cell membrane
100g
Amylose - amylopectin
24. Every living thing requires a constant supply of __________ ___ ____________.
Polysaccharides
Defense
energy and molecules
Monosaccharides
25. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
vitamins and minerals
Micronutrients
Coagulation
Carbohydrates
26. Some examples of Monosaccharides are _________ - Galactose - Fructose.
Twenty - Twelve - Eight.
Four
Glucose
plant
27. __________ are needed for fat soluble vitamins.
Polar - non-polar
100 g
Lipids
Isomers
28. Macronutrients consists of carbohydrates - __________ - and lipids.
Carbohydrates
proteins
Fructose
Twenty - Twelve - Eight.
29. _____________ look like amylopectin but only have 16-24 glucose on each branch.
Lipids
glycogen
Starches
Anabolism
30. ______ are energy storage compounds.
Carbohydrates
nucleic acids
carbohydrates - proteins - and lipids.
Lipids
31. _____________ _____________ _____________- the are groups interact to change coil structure.
Hydrolysis
Tertiary Protein Structure
energy and molecules
simple sugars
32. Carbohydrates are made of all ________ ____________.
carbohydrates - proteins - and lipids.
Catabolism
sugar molecules
Lipids
33. _______________ is the primary energy source for cells.
Starches
Four
Carbohydrates
cellulose
34. ___________ are important for long-term storage of energy.
Cellulose
Secondary Protein Structure
Defense
Lipids
35. ____________: more than one sugar molecule.
Lipids
Nucleic Acids
Cellulose
Polymers
36. All lipids are made of two structural units: ___________ - and _______ ______.
Coagulation
Fructose
carbohydrates - proteins - and lipids.
Glycerol - fatty acid
37. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.
Hydrophilic - hydrophobic
Carbohydrates
vitamins and minerals
proteins
38. Every living thing requires a constant supply of __________ ___ ____________.
glycogen
energy and molecules
vitamins and minerals
cushion - insulates
39. ________ are used to maintain a body temperature.
glycogen
glycogen
Lipids
sugar - phosphate - nitrogenous
40. There are ______ kinds of lipids.
sugar - phosphate - nitrogenous
Four
nitrogenous
Polysaccharides
41. 100 g of fat = __________ of energy.
Disaccharides
Sucrose
3870 kJ
Maltose
42. _____________ is where animals store carbohydrates.
Anabolism
plant cells
Double layered cell membrane
glycogen
43. Some examples of Monosaccharides are _________ - ___________ - __________.
Double layered cell membrane
Carbohydrates
Glucose - Galactose - Fructose
Triglycerides
44. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
Proteins
Dehydration synthesis
Isomers
Denaturation
45. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
nucleic acids
Glucose
Anabolism
Waxes
46. There are ______ kinds of lipids.
Four
Quartenary Protein Structure
Lipids
Lipids
47. Proteins are composed of ______ ______.
Lipids
Support
amino acids
metabolism
48. _________________ are made of a single sugar unit.
amino acid - hydrogen - carboxyl group - are-group
Primary Protein Structure
Monosaccharides
Polar - non-polar
49. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
Sterols
cushion - insulates
proteins
Galactose
50. _____________ _____________ _____________- coils of amino acids.
Glucose - Galactose - Fructose
Lipids
Secondary Protein Structure
Disaccharides