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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. _____________ _____________ _____________- the are groups interact to change coil structure.
amylose
Polysaccharides
Sterols
Tertiary Protein Structure
2. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
Fructose
Lactose
Carbohydrates
saturated - unsaturated
3. All _____________ have different proteins (amino acids)
100 g
Anabolism
Lipids
Animals
4. Lipids are used to make _____________.
Lipids
Disaccharides
Hormones
Glycerol - fatty acid
5. __________________ are formed by MANY monosaccharides linked together.
energy and molecules
dehydration synthesis
Polysaccharides
Proteins
6. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources
Unsaturated Triglycerides
three
Lipids
lipds
7. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
Lipids
plant cells
plant cells
Waxes
8. Proteins help form antibodies for _____________.
Defense
starch
plant
Lactose
9. Carbohydrates are structural material for ______ ______.
plant cells
Lipids
Key components
Waxes
10. Carbohydrates are made of all ________ ____________.
Hydrolysis
Triglycerides - phospholipids - waxes - sterols
Defense
sugar molecules
11. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
Secondary Protein Structure
Unsaturated Triglycerides
energy and molecules
sugar
12. __________________ are formed by MANY monosaccharides linked together.
Triglycerides
metabolism
100g
Polysaccharides
13. ________ are used to maintain a body temperature.
Hydrophilic - hydrophobic
sugar molecules
Lipids
Proteins
14. ____________ creates cholesterol - estrogen and pheromones.
Sterols
metabolism
Key components
1680 kJ
15. Proteins are composed of ______ ______.
Denaturation
Non-polar
amino acids
Defense
16. ______________ are made of two monosaccharides combined together.
Monosaccharides
Galactose
vitamins and minerals
Disaccharides
17. _______________ consists of carbohydrates - proteins - and lipids.
plant cells
Macronutrients
amylose
Carbohydrates
18. Starches are _______ polysaccharides - stores energy for _______.
100g
Secondary Protein Structure
plant
vitamins and minerals
19. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.
Lactose
metabolism
dehydration synthesis
Tertiary Protein Structure
20. _____________ contain up to 1000-6000 glucose molecules linked together.
vitamins and minerals
simple sugars
starch - glycogen - cellulose
amylopectin
21. _____________ molecules are not negatively or positively charged.
Macronutrients
Quartenary Protein Structure
Non-polar
Phospholipids
22. Some examples of Monosaccharides are Glucose - Galactose - __________.
cellulose
Fructose
glycogen
Anabolism
23. _____________ look like amylopectin but only have 16-24 glucose on each branch.
Proteins
glycogen
Saturated Triglycerides
Carbohydrates
24. All lipids are made of two structural units: ___________ - and _______ ______.
Hormones
Glycerol - fatty acid
Lipids
plant
25. ____________: more than one sugar molecule.
Non-polar
Cellulose
Polymers
Isomers
26. ___________ have different properties. Ex - fructose is sweeter.
Isomers
vitamins and minerals
dehydration synthesis
Carbohydrates
27. _____________ _____________ _____________- a single chain of sequenced amino acids.
Glucose - Galactose - Fructose
saturated - unsaturated
Primary Protein Structure
nitrogenous
28. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
Waxes
Amylose - amylopectin
phosphate
Proteins
29. Vitamins and Minerals are often found in __________ _________.
complex chemicals
Denaturation
Catabolism
amylopectin
30. Proteins are made when many many amino acids combine together through _____________ _____________.
Lipids
Carbohydrates
Hydrolysis
dehydration synthesis
31. Phospholipids have a _______ head - and a _____________ tail.
Defense
Triglycerides - phospholipids - waxes - sterols
Dehydration synthesis
Polar - non-polar
32. _____________ are found in plant cell walls.
3870 kJ
Support
Cellulose
lipds
33. Proteins create ___________ that bring reactants together faster or slower.
starch
Enzymes
Hormones
Polar - non-polar
34. _________________ are made of a single sugar unit.
Saturated Triglycerides
Monosaccharides
Defense
Galactose
35. Proteins help keep our cells and muscles in _________.
Enzymes
amylose
Motion
Polysaccharides
36. Some examples of Monosaccharides are _________ - Galactose - Fructose.
starch
1680 kJ
carbohydrates - proteins - and lipids.
Glucose
37. _____________ _____________ _____________- coils of amino acids.
Secondary Protein Structure
phosphate
Animals
Phospholipids
38. Lipids are ____ ______________ in cell membranes.
Catabolism
Lipids
Carbohydrates
Key components
39. The chemical reaction for glycerol and fatty acids combining together to form triglyceride is also called _______________ _____________.
Defense
Proteins
Carbohydrates
Dehydration synthesis
40. _______________ are fast sources of energy.
Support
Fructose
Disaccharides
Carbohydrates
41. There are _____ types of protein structure.
Glycerol - fatty acid
1680 kJ
four
amylopectin
42. _____________ is when a protein changes shape temporarily.
Macronutrients
Denaturation
Catabolism
phosphate
43. ____________: when molecules have the same chemical formula but different structures.
Isomers
Triglycerides
Sucrose
Proteins
44. Every living thing requires a constant supply of __________ ___ ____________.
Anabolism
energy and molecules
Lipids
nucleic acids
45. The four kinds of lipids are _______________ - _______________ - ________ - and ___________.
simple sugars
Lipids
Triglycerides - phospholipids - waxes - sterols
proteins
46. Lipids __________ - and ____________ organs.
Primary Protein Structure
dehydration synthesis
cushion - insulates
Lipids
47. The four kinds of lipids are _______________ - _______________ - ________ - and ___________.
glycogen
Sterols
Triglycerides - phospholipids - waxes - sterols
simple sugars
48. There are ________ types of carbohydrates.
Lipids
1680 kJ
Animals
three
49. ______ are energy storage compounds.
three
nitrogenous
Lipids
Hormones
50. _________________ are made of a single sugar unit.
Key components
Enzymes
Glycerol - fatty acid
Monosaccharides