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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 used to maintain a body temperature.
Lipids
Tertiary Protein Structure
Proteins
Hormones
2. _____________ are plant polysaccharides - stores energy for plants.
dehydration
Dehydration synthesis
3870 kJ
Starches
3. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
Nucleic Acids
Proteins
Denaturation
Dehydration synthesis
4. __________ = glucose + glucose.
Maltose
nitrogenous
Polar - non-polar
Disaccharides
5. The bond formed between two amino acids are called a __________ ______.
Micronutrients
peptide bond
Cellulose
Support
6. _____________ contain up to 1000-6000 glucose molecules linked together.
100 g
amylopectin
Non-polar
four
7. _____________ _____________ _____________- a single chain of sequenced amino acids.
Carbohydrates
Primary Protein Structure
amylopectin
vitamins and minerals
8. ____________ _______ are genetic material that directs cell activity.
starch
Nucleic Acids
Hormones
Transport
9. Micronutrients consists of Vitamins and Minerals - and _________ ______.
Maltose
Hormones
nucleic acids
glycogen
10. Macronutrients consists of ______________ - proteins - and lipids.
Hydrolysis
carbohydrates
Polar - non-polar
Micronutrients
11. __________ _____ ___________ help in chemical reactions.
vitamins and minerals
Isomers
plant cells
Secondary Protein Structure
12. _______________ is the primary energy source for cells.
Starches
Carbohydrates
amino acids
Saturated Triglycerides
13. Proteins help form antibodies for _____________.
sugar molecules
Defense
sugar molecules
phosphate
14. ______ are energy storage compounds.
Protein structures
Lipids
three
plant
15. Proteins help keep our cells and muscles in _________.
Glucose - Galactose - Fructose
Motion
Tertiary Protein Structure
Lipids
16. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
simple sugars
peptide bond
Micronutrients
amino acids
17. Carbohydrates are structural material for ______ ______.
three
Carbohydrates
Enzymes
plant cells
18. ___________: to lose a water molecule.
dehydration
Lactose
Protein structures
complex chemicals
19. _____________ are made of one glycerol and three fatty acid chains.
Proteins
Key components
Triglycerides
amylopectin
20. __________ = galactose + glucose
saturated - unsaturated
glycogen
Lactose
Phospholipids
21. Starches are _______ polysaccharides - stores energy for _______.
Tertiary Protein Structure
plant
glycogen
Support
22. _____________ molecules are not negatively or positively charged.
Unsaturated Triglycerides
Non-polar
nucleic acids
Protein structures
23. The three types of Polysaccharides are _____________ - _____________ - and _____________.
starch - glycogen - cellulose
Isomers
Protein structures
energy and molecules
24. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.
complex chemicals
Isomers
Animals
vitamins and minerals
25. Proteins create ___________ that bring reactants together faster or slower.
Defense
Lipids
Enzymes
Lipids
26. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
glycogen
Waxes
Support
Macronutrients
27. ____________: more than one sugar molecule.
Enzymes
Polymers
Monosaccharides
peptide bond
28. _______________ consists of carbohydrates - proteins - and lipids.
dehydration
Starches
starch
Macronutrients
29. Phospholipids have a _______ head - and a _____________ tail.
lipds
Polar - non-polar
nitrogenous
Lipids
30. Phospholipids have a _______ head - and a _____________ tail.
energy and molecules
nitrogenous
100g
Polar - non-polar
31. Lipids __________ - and ____________ organs.
Hydrolysis
cushion - insulates
saturated - unsaturated
carbohydrates - proteins - and lipids.
32. Phospholipds have a _____________ head - and a _______________ tail.
Fructose
Hydrophilic - hydrophobic
cushion - insulates
synthesis
33. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.
Lipids
saturated - unsaturated
Twenty - Twelve - Eight.
carbohydrates - proteins - and lipids.
34. _____________ is when a protein changes shape temporarily.
Animals
Denaturation
Micronutrients
Phospholipids
35. The three types of Polysaccharides are starch - glycogen - and _____________.
cellulose
plant
Dehydration synthesis
plant
36. All lipids are made of two structural units: ___________ - and _______ ______.
four
Glycerol - fatty acid
nucleic acids
Denaturation
37. The three types of Polysaccharides are starch - _____________ - and cellulose.
Four
sugar - phosphate - nitrogenous
glycogen
simple sugars
38. _____________ store energy in the form of fat.
Lipids
Monosaccharides
lipds
complex chemicals
39. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
Polar - non-polar
nitrogenous
Carbohydrates
amylose
40. ________________ usually have a molecular formula ratio of C:H:O in 1:2:1.
dehydration
Monosaccharides
carbohydrates
Glucose - Galactose - Fructose
41. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
amylose
complex chemicals
Carbohydrates
amylose
42. There are ______ kinds of lipids.
two monosaccharides
Four
glycogen
saturated - unsaturated
43. Macronutrients consists of carbohydrates - __________ - and lipids.
dehydration
saturated - unsaturated
Monosaccharides
proteins
44. ___________ have different properties. Ex - fructose is sweeter.
synthesis
Isomers
Triglycerides
Glucose
45. Micronutrients consists of Vitamins and Minerals - and _________ ______.
Micronutrients
plant
metabolism
nucleic acids
46. ____________ creates cholesterol - estrogen and pheromones.
Isomers
Carbohydrates
four
Sterols
47. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.
amino acid - hydrogen - carboxyl group - are-group
Four
Carbohydrates
amino acids
48. Monosaccharides are also called ________ __________.
lipds
simple sugars
two monosaccharides
Denaturation
49. The three types of Polysaccharides are _____________ - _____________ - and _____________.
starch - glycogen - cellulose
amylopectin
plant
four
50. All lipids are made of two structural units: ___________ - and _______ ______.
Catabolism
Quartenary Protein Structure
Glycerol - fatty acid
Amylose - amylopectin