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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. _____________ contain up to 1000-6000 glucose molecules linked together.
Phospholipids
100 g
Quartenary Protein Structure
amylopectin
2. Disaccharides are made of _____ __________________ combined together.
two monosaccharides
Support
Disaccharides
vitamins and minerals
3. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.
dehydration synthesis
Polar - non-polar
Twenty - Twelve - Eight.
Essential amino acids
4. Lipids __________ - and ____________ organs.
cushion - insulates
Dehydration synthesis
Carbohydrates
peptide bond
5. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
Motion
Galactose
Animals
Sterols
6. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
Essential amino acids
Quartenary Protein Structure
dehydration
amylopectin
7. Proteins are made when many many amino acids combine together through _____________ _____________.
Micronutrients
synthesis
100g
dehydration synthesis
8. There are ________ types of carbohydrates.
complex chemicals
three
Denaturation
Quartenary Protein Structure
9. The chemical reaction for glycerol and fatty acids combining together to form triglyceride is also called _______________ _____________.
complex chemicals
Dehydration synthesis
starch - glycogen - cellulose
Catabolism
10. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
Starches
Micronutrients
Carbohydrates
Lipids
11. Some examples of Monosaccharides are _________ - ___________ - __________.
Animals
sugar molecules
Maltose
Glucose - Galactose - Fructose
12. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.
amylose
Hormones
Monosaccharides
Twenty - Twelve - Eight.
13. Proteins __________ ligaments - tendons - and skin.
Support
Unsaturated Triglycerides
Motion
Twenty - Twelve - Eight.
14. __________ _____ ___________ help in chemical reactions.
vitamins and minerals
Lactose
Quartenary Protein Structure
1680 kJ
15. Proteins __________ ligaments - tendons - and skin.
plant cells
Lipids
Support
plant
16. ______ are the structural components of cell membranes.
Waxes
plant cells
Hormones
Lipids
17. _____________ contain many branches that make up 24-36 glucose molecules.
Glycerol - fatty acid
Polysaccharides
amylopectin
amino acids
18. All _____________ have different proteins (amino acids)
Waxes
Carbohydrates
Animals
Lipids
19. Nucleic acids are composed of _______ - ____________ - and _____________ bases.
glycogen
Non-polar
simple sugars
sugar - phosphate - nitrogenous
20. _____________ contain many branches that make up 24-36 glucose molecules.
Hormones
Catabolism
Motion
amylopectin
21. Macronutrients consists of carbohydrates - proteins - and _______.
Glycerol - fatty acid
Catabolism
lipds
Waxes
22. _______________ consists of carbohydrates - proteins - and lipids.
plant cells
Macronutrients
Maltose
Coagulation
23. Phospholipds have a _____________ head - and a _______________ tail.
nucleic acids
Double layered cell membrane
Hydrophilic - hydrophobic
Monosaccharides
24. There are ______ kinds of lipids.
amino acid - hydrogen - carboxyl group - are-group
Four
Catabolism
Double layered cell membrane
25. 100 g of fat = __________ of energy.
Twenty - Twelve - Eight.
dehydration
3870 kJ
glycogen
26. Some examples of Monosaccharides are Glucose - Galactose - __________.
Cellulose
synthesis
Fructose
complex chemicals
27. Phospholipids forms a _________ _____________ _____________ _____________ that is essential for structure and function.
Lipids
Double layered cell membrane
Dehydration synthesis
Carbohydrates
28. Starches are _______ polysaccharides - stores energy for _______.
Polymers
Monosaccharides
Triglycerides - phospholipids - waxes - sterols
plant
29. _____________ is when a protein changes shape permanently.
Starches
Unsaturated Triglycerides
Coagulation
Motion
30. Starches are _______ polysaccharides - stores energy for _______.
Hormones
Non-polar
Motion
plant
31. _____________ are found in plant cell walls.
Cellulose
Unsaturated Triglycerides
vitamins and minerals
Carbohydrates
32. __________ _____ ___________ help in chemical reactions.
Nucleic Acids
sugar molecules
vitamins and minerals
Polysaccharides
33. Lipids are ____ ______________ in cell membranes.
Carbohydrates
glycogen
Key components
phosphate
34. Phospholipids have a _______ head - and a _____________ tail.
metabolism
Polar - non-polar
Secondary Protein Structure
amylopectin
35. Macronutrients consists of ______________ - proteins - and lipids.
Non-soluble
carbohydrates
Coagulation
metabolism
36. __________ are the structural components of the cell.
Carbohydrates
Glucose
Lipids
Proteins
37. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
Micronutrients
Denaturation
Triglycerides - phospholipids - waxes - sterols
Key components
38. _____________ are made of one glycerol and three fatty acid chains.
Four
Defense
Double layered cell membrane
Triglycerides
39. ____________ creates cholesterol - estrogen and pheromones.
Sterols
two monosaccharides
Double layered cell membrane
Carbohydrates
40. ________________ usually have a molecular formula ratio of C:H:O in 1:2:1.
Maltose
Isomers
Monosaccharides
100 g
41. Every living thing requires a constant supply of __________ ___ ____________.
starch
Disaccharides
energy and molecules
Monosaccharides
42. Lipids __________ - and ____________ organs.
Lipids
nitrogenous
cushion - insulates
Protein structures
43. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.
simple sugars
amino acid - hydrogen - carboxyl group - are-group
Micronutrients
nitrogenous
44. Proteins create ___________ that bring reactants together faster or slower.
Enzymes
two monosaccharides
Polar - non-polar
carbohydrates - proteins - and lipids.
45. ______ of carbs = 1680 kJ of energy.
Polysaccharides
100 g
Denaturation
amylose
46. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.
glycogen
Hydrolysis
Phospholipids
Protein structures
47. _______________ are made of glycerol and two fatty acids and a phosphate group.
proteins
Polysaccharides
Phospholipids
Sucrose
48. All _____________ have different proteins (amino acids)
Animals
three
amylopectin
Denaturation
49. ___________: to lose a water molecule.
dehydration
Triglycerides
peptide bond
Double layered cell membrane
50. _____________ _____________ _____________- coils of amino acids.
two monosaccharides
Primary Protein Structure
amylopectin
Secondary Protein Structure