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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 important for long-term storage of energy.
Fructose
Lipids
100 g
Essential amino acids
2. _______________ are made of all sugar molecules.
Polymers
Isomers
amino acids
Carbohydrates
3. _____________ _____________ _____________- coils of amino acids.
Secondary Protein Structure
Saturated Triglycerides
energy and molecules
Protein structures
4. The three types of Polysaccharides are starch - _____________ - and cellulose.
glycogen
Quartenary Protein Structure
Lipids
dehydration synthesis
5. The chemical reaction for glycerol and fatty acids combining together to form triglyceride is also called _______________ _____________.
proteins
100 g
Dehydration synthesis
plant cells
6. __________ = glucose + fructose.
sugar
Sucrose
Enzymes
Fructose
7. Breakdown of more complex substances into simpler ones with release of energy.
Isomers
Catabolism
complex chemicals
Glycerol - fatty acid
8. Carbohydrates are made of all ________ ____________.
saturated - unsaturated
sugar molecules
Tertiary Protein Structure
metabolism
9. _____________ is when a protein changes shape permanently.
Defense
Coagulation
cushion - insulates
Galactose
10. ________ are used to maintain a body temperature.
Lipids
100g
amino acids
Twenty - Twelve - Eight.
11. Macronutrients consists of ______________ - proteins - and lipids.
Lipids
carbohydrates
Waxes
Polar - non-polar
12. ______ are the structural components of cell membranes.
proteins
Lipids
Isomers
sugar - phosphate - nitrogenous
13. _____________ are plant polysaccharides - stores energy for plants.
dehydration
Fructose
Starches
Dehydration synthesis
14. Lipids are _____________ (does not dissolve in water).
Hydrophilic - hydrophobic
Phospholipids
Non-soluble
sugar molecules
15. _____________ _____________ _____________- a single chain of sequenced amino acids.
Primary Protein Structure
Secondary Protein Structure
Disaccharides
Lipids
16. The three types of Polysaccharides are _____________ - glycogen - and cellulose.
Waxes
carbohydrates
Coagulation
starch
17. _____________ contain up to 1000-6000 glucose molecules linked together.
Waxes
amylopectin
Key components
Transport
18. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
lipds
Defense
Sterols
Proteins
19. Every living thing requires a constant supply of __________ ___ ____________.
synthesis
energy and molecules
Key components
Polysaccharides
20. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
Lipids
glycogen
complex chemicals
Carbohydrates
21. All lipids are made of two structural units: ___________ - and _______ ______.
Carbohydrates
plant cells
Glycerol - fatty acid
Carbohydrates
22. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
Starches
Micronutrients
Isomers
Amylose - amylopectin
23. Lipids are _____________ (does not dissolve in water).
Non-soluble
Glucose
Waxes
simple sugars
24. __________ = glucose + glucose.
Waxes
Maltose
vitamins and minerals
Proteins
25. There are _____ types of protein structure.
peptide bond
four
Monosaccharides
Anabolism
26. ________________ usually have a molecular formula ratio of C:H:O in 1:2:1.
carbohydrates - proteins - and lipids.
Monosaccharides
Secondary Protein Structure
Sucrose
27. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
Quartenary Protein Structure
Disaccharides
Carbohydrates
Monosaccharides
28. Carbohydrates are structural material for ______ ______.
Glycerol - fatty acid
Triglycerides - phospholipids - waxes - sterols
plant cells
energy and molecules
29. Proteins help keep our cells and muscles in _________.
sugar molecules
Lipids
Motion
saturated - unsaturated
30. ________ includes all fats and oils.
Non-soluble
Catabolism
cushion - insulates
Lipids
31. Phospholipids have a _______ head - and a _____________ tail.
Galactose
synthesis
Protein structures
Polar - non-polar
32. ____________: more than one sugar molecule.
Polymers
metabolism
peptide bond
Carbohydrates
33. Macronutrients consists of _______________ - _________ - and _______.
carbohydrates - proteins - and lipids.
plant
Cellulose
Lipids
34. Proteins help form antibodies for _____________.
carbohydrates
Macronutrients
Defense
Protein structures
35. _____________ is when a protein changes shape temporarily.
Animals
Nucleic Acids
Disaccharides
Denaturation
36. All lipids are made of two structural units: ___________ - and _______ ______.
Lactose
Glycerol - fatty acid
Disaccharides
sugar molecules
37. _____________ ________ _____ are the eight amino acids our body cannot make.
complex chemicals
Carbohydrates
Twenty - Twelve - Eight.
Essential amino acids
38. There are _____ types of protein structure.
cellulose
cellulose
Macronutrients
four
39. ______________ are made of two monosaccharides combined together.
Disaccharides
amylopectin
Sterols
vitamins and minerals
40. __________ = glucose + fructose.
dehydration
Sucrose
vitamins and minerals
cushion - insulates
41. Nucleic acids are composed of sugar - phosphate - and _____________ bases.
Coagulation
Carbohydrates
nitrogenous
cellulose
42. __________ = galactose + glucose
Lipids
Lactose
Non-soluble
Triglycerides
43. _____________ molecules are not negatively or positively charged.
metabolism
Glucose
Defense
Non-polar
44. __________ are needed for fat soluble vitamins.
glycogen
Sterols
Polar - non-polar
Lipids
45. 100 g of carbs = __________ of energy.
Fructose
Defense
1680 kJ
Unsaturated Triglycerides
46. Phospholipds have a _____________ head - and a _______________ tail.
Non-polar
Hydrophilic - hydrophobic
lipds
Secondary Protein Structure
47. The two types of starches are ___________ - and ______________.
Cellulose
Amylose - amylopectin
starch
Isomers
48. The chemical reaction for glycerol and fatty acids combining together to form triglyceride is also called _______________ _____________.
Defense
Phospholipids
three
Dehydration synthesis
49. ____________: when molecules have the same chemical formula but different structures.
Isomers
100 g
Carbohydrates
Non-soluble
50. Phospholipids have a _______ head - and a _____________ tail.
Polar - non-polar
dehydration synthesis
metabolism
lipds