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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. _______________ consists of carbohydrates - proteins - and lipids.
Twenty - Twelve - Eight.
Primary Protein Structure
Macronutrients
Nucleic Acids
2. Micronutrients consists of Vitamins and Minerals - and _________ ______.
Sterols
complex chemicals
nucleic acids
Galactose
3. The two types of starches are ___________ - and ______________.
cushion - insulates
Monosaccharides
Amylose - amylopectin
Defense
4. __________ = glucose + fructose.
Sucrose
Animals
proteins
Monosaccharides
5. _____________ is when a protein changes shape temporarily.
Denaturation
cushion - insulates
phosphate
dehydration synthesis
6. _____________ are found in plant cell walls.
Cellulose
Hydrolysis
Primary Protein Structure
Monosaccharides
7. _______________ are fast sources of energy.
Anabolism
Carbohydrates
synthesis
Polymers
8. Breakdown of more complex substances into simpler ones with release of energy.
Catabolism
starch
synthesis
phosphate
9. ______________ are acquired from plants. (Photosynthesis -> glucose)
Lipids
Essential amino acids
Carbohydrates
Lipids
10. _______________ can have one single sugar molecule or can be polymers.
amino acids
Carbohydrates
phosphate
Nucleic Acids
11. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
peptide bond
sugar
carbohydrates
Maltose
12. Carbohydrates are made of all ________ ____________.
Starches
Hormones
sugar molecules
Triglycerides
13. 100 g of carbs = __________ of energy.
nitrogenous
1680 kJ
Defense
amylopectin
14. _____________ is where animals store carbohydrates.
three
Hormones
Fructose
glycogen
15. ___________ have different properties. Ex - fructose is sweeter.
Isomers
Essential amino acids
3870 kJ
phosphate
16. Phospholipids have a _______ head - and a _____________ tail.
Macronutrients
Polar - non-polar
Fructose
Isomers
17. _____________ is where animals store carbohydrates.
carbohydrates - proteins - and lipids.
Lipids
glycogen
sugar
18. Proteins create _____________ that affect growth and serve as messengers.
Polysaccharides
Sucrose
Hormones
glycogen
19. All _____________ have different proteins (amino acids)
Animals
amylose
Coagulation
Non-polar
20. ____________: more than one sugar molecule.
Amylose - amylopectin
simple sugars
Polymers
plant cells
21. _______________ consists of carbohydrates - proteins - and lipids.
Support
Amylose - amylopectin
Macronutrients
glycogen
22. _________________ are made of a single sugar unit.
Monosaccharides
Lipids
vitamins and minerals
Transport
23. _____________ are found in plant cell walls.
Isomers
Anabolism
Sucrose
Cellulose
24. Proteins create _____________ that affect growth and serve as messengers.
Key components
Twenty - Twelve - Eight.
Polysaccharides
Hormones
25. ________________ usually have a molecular formula ratio of C:H:O in 1:2:1.
amylopectin
Macronutrients
Monosaccharides
Cellulose
26. Some examples of Monosaccharides are _________ - ___________ - __________.
amino acids
Lactose
glycogen
Glucose - Galactose - Fructose
27. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.
sugar molecules
Catabolism
Twenty - Twelve - Eight.
Proteins
28. Some examples of Monosaccharides are _________ - ___________ - __________.
Sterols
Isomers
Non-polar
Glucose - Galactose - Fructose
29. _______________ is the primary energy source for cells.
Four
Fructose
Carbohydrates
Motion
30. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.
metabolism
starch
complex chemicals
Unsaturated Triglycerides
31. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.
vitamins and minerals
Monosaccharides
Hydrophilic - hydrophobic
Twenty - Twelve - Eight.
32. Lipids are _____________ (does not dissolve in water).
Key components
Nucleic Acids
Non-soluble
plant
33. Proteins help form antibodies for _____________.
four
Defense
carbohydrates
nitrogenous
34. __________ _____ ___________ help in chemical reactions.
saturated - unsaturated
energy and molecules
vitamins and minerals
Carbohydrates
35. Monosaccharides are also called ________ __________.
Amylose - amylopectin
simple sugars
dehydration synthesis
Nucleic Acids
36. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
Waxes
Polysaccharides
Hydrophilic - hydrophobic
Micronutrients
37. ______ of carbs = 1680 kJ of energy.
Sucrose
Cellulose
100 g
Unsaturated Triglycerides
38. _____________ _____________ _____________- the are groups interact to change coil structure.
Carbohydrates
Non-soluble
Tertiary Protein Structure
Polar - non-polar
39. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
Polysaccharides
Lactose
Amylose - amylopectin
Micronutrients
40. The opposite of dehydration synthesis is _____________.
Lipids
Hydrolysis
Non-polar
cellulose
41. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
cushion - insulates
carbohydrates - proteins - and lipids.
Carbohydrates
Polymers
42. There are ________ types of carbohydrates.
three
Glucose - Galactose - Fructose
two monosaccharides
simple sugars
43. All lipids are made of two structural units: ___________ - and _______ ______.
Triglycerides - phospholipids - waxes - sterols
synthesis
four
Glycerol - fatty acid
44. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources
Cellulose
four
Unsaturated Triglycerides
Triglycerides - phospholipids - waxes - sterols
45. Macronutrients consists of carbohydrates - proteins - and _______.
lipds
carbohydrates - proteins - and lipids.
carbohydrates
proteins
46. Vitamins and Minerals are often found in __________ _________.
complex chemicals
amylose
Waxes
amino acids
47. _____________ contain up to 1000 glucose molecules linked together.
Polymers
Hydrolysis
amylose
plant cells
48. Some examples of Monosaccharides are _________ - Galactose - Fructose.
Protein structures
Glucose
Lipids
simple sugars
49. _______________ are fast sources of energy.
Carbohydrates
vitamins and minerals
Triglycerides - phospholipids - waxes - sterols
Coagulation
50. The bond formed between two amino acids are called a __________ ______.
peptide bond
Polysaccharides
Disaccharides
complex chemicals