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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.
Denaturation
Macronutrients
Isomers
Hormones
2. __________ _____ ___________ help in chemical reactions.
vitamins and minerals
Phospholipids
Lipids
Carbohydrates
3. _____________ store energy in the form of fat.
simple sugars
Key components
Lipids
Primary Protein Structure
4. ____________ _______ are genetic material that directs cell activity.
amino acids
Carbohydrates
lipds
Nucleic Acids
5. All _____________ have different proteins (amino acids)
Starches
dehydration synthesis
Lipids
Animals
6. Lipids __________ - and ____________ organs.
Glucose - Galactose - Fructose
Micronutrients
Triglycerides - phospholipids - waxes - sterols
cushion - insulates
7. The three types of Polysaccharides are starch - glycogen - and _____________.
cellulose
Isomers
Twenty - Twelve - Eight.
Lipids
8. Macronutrients consists of carbohydrates - proteins - and _______.
Denaturation
sugar molecules
lipds
Glucose
9. _____________ is when a protein changes shape temporarily.
Denaturation
dehydration
Disaccharides
Sterols
10. ___________: to lose a water molecule.
100g
dehydration
vitamins and minerals
Defense
11. Proteins create ___________ that bring reactants together faster or slower.
Enzymes
Lipids
Lipids
Isomers
12. There are ________ types of carbohydrates.
Macronutrients
three
Monosaccharides
glycogen
13. _____________ _____________ _____________- coils of amino acids.
Isomers
Secondary Protein Structure
Twenty - Twelve - Eight.
plant
14. _____________ is when a protein changes shape permanently.
Catabolism
three
Coagulation
Starches
15. Phospholipids have a _______ head - and a _____________ tail.
Polar - non-polar
proteins
Sucrose
plant
16. _____________ are made of one glycerol and three fatty acid chains.
nitrogenous
Double layered cell membrane
Triglycerides
Cellulose
17. Some examples of Monosaccharides are _________ - ___________ - __________.
glycogen
100g
Glucose - Galactose - Fructose
Hydrolysis
18. The four kinds of lipids are _______________ - _______________ - ________ - and ___________.
plant
Denaturation
Triglycerides - phospholipids - waxes - sterols
Hormones
19. _____________ store energy in the form of fat.
peptide bond
amino acid - hydrogen - carboxyl group - are-group
Lipids
Hormones
20. 100 g of fat = __________ of energy.
3870 kJ
Phospholipids
Micronutrients
Nucleic Acids
21. The three types of Polysaccharides are _____________ - _____________ - and _____________.
Glycerol - fatty acid
Hormones
starch - glycogen - cellulose
Lipids
22. Proteins are made when many many amino acids combine together through _____________ _____________.
dehydration synthesis
Polysaccharides
Carbohydrates
three
23. Carbohydrates are made of all ________ ____________.
Maltose
Isomers
sugar molecules
plant
24. The chemical reaction for glycerol and fatty acids combining together to form triglyceride is also called _______________ _____________.
Lipids
amino acids
Dehydration synthesis
glycogen
25. There are ________ types of carbohydrates.
three
Monosaccharides
Lactose
metabolism
26. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.
sugar - phosphate - nitrogenous
vitamins and minerals
Protein structures
Polysaccharides
27. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
dehydration synthesis
Lactose
Quartenary Protein Structure
Lipids
28. ______________ are acquired from plants. (Photosynthesis -> glucose)
Essential amino acids
Carbohydrates
Polymers
cushion - insulates
29. 100 g of carbs = __________ of energy.
two monosaccharides
Catabolism
Lactose
1680 kJ
30. _____________ is when a protein changes shape permanently.
starch
Monosaccharides
Coagulation
Motion
31. ____________: when molecules have the same chemical formula but different structures.
vitamins and minerals
Isomers
Lipids
plant cells
32. _____________ molecules are not negatively or positively charged.
amino acids
Non-polar
Denaturation
Secondary Protein Structure
33. Macronutrients consists of ______________ - proteins - and lipids.
Dehydration synthesis
amylopectin
carbohydrates
four
34. Micronutrients consists of Vitamins and Minerals - and _________ ______.
Catabolism
nucleic acids
Glucose
Essential amino acids
35. Proteins are composed of ______ ______.
Lipids
amino acids
amylopectin
Monosaccharides
36. Lipids are ____ ______________ in cell membranes.
Non-polar
Defense
Key components
three
37. _________________ are made of a single sugar unit.
Monosaccharides
Amylose - amylopectin
Hormones
cellulose
38. Lipids are _____________ (does not dissolve in water).
Non-soluble
vitamins and minerals
Transport
dehydration synthesis
39. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources
Unsaturated Triglycerides
phosphate
Hormones
three
40. Lipids are used to make _____________.
Hormones
Secondary Protein Structure
Twenty - Twelve - Eight.
Enzymes
41. Lipids are used to make _____________.
Enzymes
Carbohydrates
Lipids
Hormones
42. The two types of starches are ___________ - and ______________.
Lactose
100 g
Phospholipids
Amylose - amylopectin
43. _____________ are plant polysaccharides - stores energy for plants.
Hydrophilic - hydrophobic
Polysaccharides
Twenty - Twelve - Eight.
Starches
44. Macronutrients consists of carbohydrates - proteins - and _______.
Motion
Galactose
nitrogenous
lipds
45. Micronutrients consists of Vitamins and Minerals - and _________ ______.
nucleic acids
metabolism
Starches
Monosaccharides
46. Proteins help keep our cells and muscles in _________.
Motion
amino acid - hydrogen - carboxyl group - are-group
Glycerol - fatty acid
amino acids
47. _______________ are fast sources of energy.
Hormones
Carbohydrates
phosphate
Nucleic Acids
48. ______ of fat = 3870 kJ of energy.
Waxes
Carbohydrates
100g
Polar - non-polar
49. ______________ are made of two monosaccharides combined together.
Nucleic Acids
Disaccharides
plant
Denaturation
50. Proteins help form antibodies for _____________.
Fructose
Support
Twenty - Twelve - Eight.
Defense