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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. ______________ _______________ : single bonds exist between carbons - they are stable and hard to break down so they will remain in our body longer. animal sources
nucleic acids
Saturated Triglycerides
Dehydration synthesis
Lipids
2. Proteins help _____________ important substances to different areas of the body.
Phospholipids
dehydration
Macronutrients
Transport
3. ______________ are made of two monosaccharides combined together.
Disaccharides
carbohydrates
carbohydrates
cellulose
4. Some examples of Monosaccharides are _________ - ___________ - __________.
Glucose - Galactose - Fructose
Hormones
Galactose
Primary Protein Structure
5. Nucleic acids are composed of sugar - phosphate - and _____________ bases.
energy and molecules
Lipids
nitrogenous
cellulose
6. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
Starches
synthesis
Carbohydrates
Waxes
7. 100 g of fat = __________ of energy.
Non-soluble
Double layered cell membrane
Lipids
3870 kJ
8. Lipids are _____________ (does not dissolve in water).
Triglycerides
Essential amino acids
100g
Non-soluble
9. Proteins are composed of ______ ______.
Triglycerides
Phospholipids
starch - glycogen - cellulose
amino acids
10. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
Saturated Triglycerides
Proteins
sugar
Denaturation
11. Disaccharides are made of _____ __________________ combined together.
Secondary Protein Structure
Defense
Fructose
two monosaccharides
12. Proteins create ___________ that bring reactants together faster or slower.
Enzymes
amylose
glycogen
Hormones
13. The opposite of dehydration synthesis is _____________.
1680 kJ
3870 kJ
Triglycerides
Hydrolysis
14. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
Enzymes
lipds
Quartenary Protein Structure
complex chemicals
15. The three types of Polysaccharides are starch - glycogen - and _____________.
Micronutrients
cellulose
Triglycerides - phospholipids - waxes - sterols
dehydration synthesis
16. _____________ store energy in the form of fat.
100g
1680 kJ
Sucrose
Lipids
17. Macronutrients consists of carbohydrates - __________ - and lipids.
two monosaccharides
Lactose
Polysaccharides
proteins
18. ___________ are important for long-term storage of energy.
Isomers
Lipids
Tertiary Protein Structure
two monosaccharides
19. The four kinds of lipids are _______________ - _______________ - ________ - and ___________.
Denaturation
Triglycerides - phospholipids - waxes - sterols
Defense
Glucose - Galactose - Fructose
20. ________ includes all fats and oils.
Lipids
Cellulose
Coagulation
saturated - unsaturated
21. All _____________ have different proteins (amino acids)
Animals
Polar - non-polar
Transport
lipds
22. The two types of starches are ___________ - and ______________.
amino acids
Amylose - amylopectin
Denaturation
Quartenary Protein Structure
23. _____________ contain up to 1000 glucose molecules linked together.
amylose
1680 kJ
Proteins
Hydrophilic - hydrophobic
24. Macronutrients consists of ______________ - proteins - and lipids.
Glycerol - fatty acid
complex chemicals
dehydration synthesis
carbohydrates
25. __________ are the structural components of the cell.
Proteins
Twenty - Twelve - Eight.
Fructose
Lipids
26. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.
3870 kJ
Anabolism
Twenty - Twelve - Eight.
Cellulose
27. Proteins are composed of ______ ______.
glycogen
Lipids
amino acids
Non-soluble
28. _____________ molecules are not negatively or positively charged.
Non-soluble
lipds
Non-polar
3870 kJ
29. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
Carbohydrates
Glucose
Denaturation
Lipids
30. There are _____ types of protein structure.
Glycerol - fatty acid
Coagulation
four
Denaturation
31. Proteins create ___________ that bring reactants together faster or slower.
Enzymes
Phospholipids
Cellulose
Carbohydrates
32. _______________ consists of carbohydrates - proteins - and lipids.
Macronutrients
Triglycerides
cushion - insulates
Hydrolysis
33. When two monosaccharides combine together - the chemical reaction is call _____________ _____________.
amylopectin
phosphate
dehydration synthesis
Cellulose
34. ______ of fat = 3870 kJ of energy.
Four
Monosaccharides
100g
Unsaturated Triglycerides
35. Macronutrients consists of carbohydrates - __________ - and lipids.
Coagulation
proteins
Animals
amino acids
36. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
vitamins and minerals
Lipids
glycogen
Waxes
37. _____________ _____________ _____________- coils of amino acids.
amylopectin
Motion
Secondary Protein Structure
nucleic acids
38. The chemical reaction for glycerol and fatty acids combining together to form triglyceride is also called _______________ _____________.
Dehydration synthesis
Support
Triglycerides - phospholipids - waxes - sterols
Defense
39. Macronutrients consists of ______________ - proteins - and lipids.
Polymers
carbohydrates
Polysaccharides
Protein structures
40. ______________ are made of two monosaccharides combined together.
Disaccharides
Carbohydrates
carbohydrates - proteins - and lipids.
Carbohydrates
41. _________________ are made of a single sugar unit.
Monosaccharides
nucleic acids
Carbohydrates
glycogen
42. _____________ _____________ _____________- coils of amino acids.
Carbohydrates
Secondary Protein Structure
Hydrophilic - hydrophobic
lipds
43. __________ = glucose + fructose.
Sucrose
proteins
Key components
peptide bond
44. Synthesis of more complex substances from simpler ones.
Motion
energy and molecules
dehydration synthesis
Anabolism
45. Macronutrients consists of _______________ - _________ - and _______.
carbohydrates - proteins - and lipids.
starch
glycogen
Hormones
46. All lipids are made of two structural units: ___________ - and _______ ______.
amylose
simple sugars
Lipids
Glycerol - fatty acid
47. _____________ is when a protein changes shape permanently.
Amylose - amylopectin
sugar - phosphate - nitrogenous
two monosaccharides
Coagulation
48. Micronutrients consists of Vitamins and Minerals - and _________ ______.
energy and molecules
nucleic acids
glycogen
Micronutrients
49. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
sugar molecules
Lactose
Proteins
starch - glycogen - cellulose
50. Carbohydrates are made of all ________ ____________.
Tertiary Protein Structure
four
Hydrophilic - hydrophobic
sugar molecules