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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. __________ = glucose + glucose.
Hormones
Lipids
Maltose
Triglycerides - phospholipids - waxes - sterols
2. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.
Carbohydrates
Maltose
Coagulation
metabolism
3. Macronutrients consists of carbohydrates - proteins - and _______.
Carbohydrates
lipds
Defense
Primary Protein Structure
4. Disaccharides are made of _____ __________________ combined together.
two monosaccharides
synthesis
100g
sugar - phosphate - nitrogenous
5. _____________ are found in plant cell walls.
Cellulose
Fructose
100 g
100g
6. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
Animals
Sterols
Proteins
cellulose
7. _____________ contain many branches that make up 24-36 glucose molecules.
nucleic acids
Catabolism
amylopectin
Animals
8. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
Phospholipids
complex chemicals
Micronutrients
Galactose
9. _____________ are made of one glycerol and three fatty acid chains.
Micronutrients
Triglycerides
Coagulation
Glycerol - fatty acid
10. Phospholipds have a _____________ head - and a _______________ tail.
Unsaturated Triglycerides
four
Hydrophilic - hydrophobic
Isomers
11. _______________ are made of glycerol and two fatty acids and a phosphate group.
Phospholipids
Amylose - amylopectin
Monosaccharides
complex chemicals
12. Proteins help form antibodies for _____________.
Defense
Sterols
3870 kJ
Glucose
13. _______________ can have one single sugar molecule or can be polymers.
glycogen
Enzymes
Support
Carbohydrates
14. _____________ contain up to 1000-6000 glucose molecules linked together.
100g
3870 kJ
100 g
amylopectin
15. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.
Monosaccharides
phosphate
three
amino acid - hydrogen - carboxyl group - are-group
16. ____________ creates cholesterol - estrogen and pheromones.
Starches
simple sugars
Sterols
Carbohydrates
17. _____________ store energy in the form of fat.
Lipids
synthesis
dehydration synthesis
dehydration synthesis
18. _____________ _____________ _____________- a single chain of sequenced amino acids.
Primary Protein Structure
Monosaccharides
glycogen
peptide bond
19. Macronutrients consists of carbohydrates - __________ - and lipids.
Starches
metabolism
proteins
Enzymes
20. The three types of Polysaccharides are _____________ - _____________ - and _____________.
Sterols
starch - glycogen - cellulose
Animals
Nucleic Acids
21. _____________ are made of one glycerol and three fatty acid chains.
Non-polar
Sucrose
Glucose
Triglycerides
22. ____________: more than one sugar molecule.
simple sugars
Polymers
3870 kJ
Hydrophilic - hydrophobic
23. _______________ is the primary energy source for cells.
Monosaccharides
Carbohydrates
Lipids
Proteins
24. _____________ ________ _____ are the eight amino acids our body cannot make.
Isomers
Carbohydrates
Essential amino acids
energy and molecules
25. The opposite of dehydration synthesis is _____________.
Disaccharides
Hydrolysis
Disaccharides
Tertiary Protein Structure
26. Lipids __________ - and ____________ organs.
Monosaccharides
Hormones
cushion - insulates
Unsaturated Triglycerides
27. _____________ are found in plant cell walls.
Dehydration synthesis
Cellulose
Carbohydrates
Key components
28. Lipids are used to make _____________.
Hormones
Tertiary Protein Structure
Hydrophilic - hydrophobic
Sucrose
29. ___________ have different properties. Ex - fructose is sweeter.
Denaturation
Monosaccharides
Isomers
Lipids
30. __________ _____ ___________ help in chemical reactions.
Glycerol - fatty acid
Twenty - Twelve - Eight.
vitamins and minerals
two monosaccharides
31. All lipids are made of two structural units: ___________ - and _______ ______.
Glycerol - fatty acid
cellulose
100g
glycogen
32. __________ = glucose + glucose.
Carbohydrates
Four
Maltose
Non-polar
33. Macronutrients consists of ______________ - proteins - and lipids.
Protein structures
Waxes
carbohydrates
Lipids
34. There are ______ kinds of lipids.
Four
Triglycerides - phospholipids - waxes - sterols
Isomers
plant cells
35. Nucleic acids are composed of sugar ____________ - and nitrogenous bases.
Protein structures
energy and molecules
Carbohydrates
phosphate
36. There are ______ kinds of lipids.
Transport
1680 kJ
Four
vitamins and minerals
37. Proteins help keep our cells and muscles in _________.
lipds
dehydration
Support
Motion
38. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
Secondary Protein Structure
simple sugars
Carbohydrates
Micronutrients
39. Nucleic acids are composed of _______ - ____________ - and _____________ bases.
Secondary Protein Structure
sugar - phosphate - nitrogenous
Micronutrients
Hydrophilic - hydrophobic
40. __________________ are formed by MANY monosaccharides linked together.
Polysaccharides
Nucleic Acids
Hydrolysis
Isomers
41. ________________ usually have a molecular formula ratio of C:H:O in 1:2:1.
three
Monosaccharides
Carbohydrates
dehydration synthesis
42. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
Four
sugar
dehydration synthesis
Denaturation
43. The three types of Polysaccharides are _____________ - glycogen - and cellulose.
starch
Primary Protein Structure
Proteins
sugar molecules
44. ______ of carbs = 1680 kJ of energy.
Lipids
synthesis
100 g
Sterols
45. ________ includes all fats and oils.
vitamins and minerals
complex chemicals
Glucose
Lipids
46. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.
Micronutrients
Glycerol - fatty acid
Lipids
metabolism
47. The bond formed between two amino acids are called a __________ ______.
dehydration synthesis
100g
peptide bond
dehydration synthesis
48. The three types of Polysaccharides are starch - glycogen - and _____________.
two monosaccharides
cellulose
3870 kJ
Dehydration synthesis
49. There are _____ types of protein structure.
four
nitrogenous
Hydrophilic - hydrophobic
Tertiary Protein Structure
50. Some examples of Monosaccharides are _________ - ___________ - __________.
Hormones
Triglycerides - phospholipids - waxes - sterols
Glucose - Galactose - Fructose
Triglycerides