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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. Some examples of Monosaccharides are Glucose - Galactose - __________.
two monosaccharides
peptide bond
Fructose
Glycerol - fatty acid
2. _____________ are plant polysaccharides - stores energy for plants.
metabolism
Micronutrients
Isomers
Starches
3. The chemical reaction for glycerol and fatty acids combining together to form triglyceride is also called _______________ _____________.
Lipids
Sucrose
Dehydration synthesis
Triglycerides
4. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
Saturated Triglycerides
Monosaccharides
Quartenary Protein Structure
metabolism
5. ________ includes all fats and oils.
Lipids
metabolism
Glycerol - fatty acid
dehydration synthesis
6. Proteins are composed of ______ ______.
amino acids
Transport
Proteins
Four
7. _______________ consists of carbohydrates - proteins - and lipids.
four
Carbohydrates
Hydrolysis
Macronutrients
8. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.
Starches
Hydrophilic - hydrophobic
Disaccharides
Twenty - Twelve - Eight.
9. _____________ molecules are not negatively or positively charged.
Proteins
Anabolism
Hormones
Non-polar
10. Vitamins and Minerals are often found in __________ _________.
complex chemicals
Lipids
Key components
proteins
11. __________ are needed for fat soluble vitamins.
plant
Monosaccharides
Lipids
Micronutrients
12. __________ are the structural components of the cell.
Nucleic Acids
starch - glycogen - cellulose
Proteins
Galactose
13. The three types of Polysaccharides are starch - glycogen - and _____________.
Lipids
amylopectin
dehydration
cellulose
14. _______________ are made of glycerol and two fatty acids and a phosphate group.
Dehydration synthesis
Glycerol - fatty acid
Phospholipids
Amylose - amylopectin
15. When two monosaccharides combine together - the chemical reaction is call _____________ _____________.
Hydrophilic - hydrophobic
Four
glycogen
dehydration synthesis
16. __________ = glucose + fructose.
Micronutrients
Lipids
Enzymes
Sucrose
17. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
Galactose
amino acids
Micronutrients
amylopectin
18. _______________ is the primary energy source for cells.
Non-soluble
Polymers
Carbohydrates
Defense
19. Proteins __________ ligaments - tendons - and skin.
glycogen
Support
3870 kJ
Carbohydrates
20. _____________ _____________ _____________- coils of amino acids.
sugar - phosphate - nitrogenous
Defense
Secondary Protein Structure
Quartenary Protein Structure
21. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
Carbohydrates
Glucose
nucleic acids
3870 kJ
22. ___________: combining two things together to make something new.
Triglycerides - phospholipids - waxes - sterols
synthesis
Transport
glycogen
23. _____________ is when a protein changes shape permanently.
Secondary Protein Structure
Lipids
amino acid - hydrogen - carboxyl group - are-group
Coagulation
24. _____________ look like amylopectin but only have 16-24 glucose on each branch.
complex chemicals
3870 kJ
Lipids
glycogen
25. _____________ contain up to 1000-6000 glucose molecules linked together.
Glycerol - fatty acid
glycogen
amylopectin
amylose
26. All _____________ have different proteins (amino acids)
Animals
saturated - unsaturated
Essential amino acids
Carbohydrates
27. ______ are energy storage compounds.
Disaccharides
Lipids
dehydration
Maltose
28. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources
cushion - insulates
Unsaturated Triglycerides
synthesis
Phospholipids
29. _____________ contain many branches that make up 24-36 glucose molecules.
cellulose
four
amylopectin
Amylose - amylopectin
30. _________________ are made of a single sugar unit.
plant cells
Monosaccharides
amylopectin
Quartenary Protein Structure
31. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
Waxes
four
100g
phosphate
32. _____________ look like amylopectin but only have 16-24 glucose on each branch.
Glucose - Galactose - Fructose
Carbohydrates
glycogen
Phospholipids
33. Phospholipds have a _____________ head - and a _______________ tail.
Monosaccharides
Galactose
Hydrophilic - hydrophobic
Hormones
34. ______ are energy storage compounds.
proteins
100 g
Saturated Triglycerides
Lipids
35. _____________ are made of one glycerol and three fatty acid chains.
Unsaturated Triglycerides
Hydrolysis
Triglycerides
glycogen
36. Phospholipids forms a _________ _____________ _____________ _____________ that is essential for structure and function.
Lipids
nucleic acids
starch
Double layered cell membrane
37. Nucleic acids are composed of sugar ____________ - and nitrogenous bases.
cushion - insulates
dehydration synthesis
phosphate
sugar
38. Nucleic acids are composed of sugar ____________ - and nitrogenous bases.
phosphate
Starches
Waxes
Lipids
39. Micronutrients consists of Vitamins and Minerals - and _________ ______.
Carbohydrates
Transport
nucleic acids
Essential amino acids
40. Micronutrients consists of Vitamins and Minerals - and _________ ______.
Lipids
Hydrophilic - hydrophobic
Amylose - amylopectin
nucleic acids
41. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.
three
Fructose
carbohydrates
Protein structures
42. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources
Enzymes
Unsaturated Triglycerides
energy and molecules
Carbohydrates
43. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.
lipds
phosphate
vitamins and minerals
Carbohydrates
44. Nucleic acids are composed of sugar - phosphate - and _____________ bases.
nitrogenous
Catabolism
Phospholipids
phosphate
45. _____________ _____________ _____________- the are groups interact to change coil structure.
Monosaccharides
Tertiary Protein Structure
sugar
Glycerol - fatty acid
46. ______ are the structural components of cell membranes.
proteins
Lipids
3870 kJ
Glucose - Galactose - Fructose
47. __________ _____ ___________ help in chemical reactions.
Lipids
vitamins and minerals
lipds
cellulose
48. 100 g of carbs = __________ of energy.
four
1680 kJ
Isomers
cellulose
49. The three types of Polysaccharides are _____________ - glycogen - and cellulose.
simple sugars
starch
Nucleic Acids
Enzymes
50. Carbohydrates are made of all ________ ____________.
Isomers
two monosaccharides
sugar molecules
carbohydrates