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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. _____________ store energy in the form of fat.
Micronutrients
Lipids
Key components
dehydration synthesis
2. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
dehydration synthesis
Galactose
Proteins
Carbohydrates
3. __________ _____ ___________ help in chemical reactions.
phosphate
proteins
Carbohydrates
vitamins and minerals
4. The three types of Polysaccharides are starch - glycogen - and _____________.
amino acid - hydrogen - carboxyl group - are-group
Lactose
cellulose
Galactose
5. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
Polymers
Lactose
Proteins
glycogen
6. ______ are the structural components of cell membranes.
Key components
Lipids
metabolism
Phospholipids
7. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
Lipids
plant
sugar
Waxes
8. There are _____ types of protein structure.
Enzymes
Transport
four
Motion
9. ____________: more than one sugar molecule.
dehydration synthesis
carbohydrates
Micronutrients
Polymers
10. __________ _____ ___________ help in chemical reactions.
Carbohydrates
proteins
vitamins and minerals
Double layered cell membrane
11. _______________ is the primary energy source for cells.
Hydrolysis
Carbohydrates
Disaccharides
Proteins
12. Nucleic acids are composed of sugar - phosphate - and _____________ bases.
Denaturation
amylose
nitrogenous
plant cells
13. _____________ is when a protein changes shape permanently.
Coagulation
sugar - phosphate - nitrogenous
Hydrolysis
Non-polar
14. Some examples of Monosaccharides are Glucose - Galactose - __________.
Sucrose
Fructose
Denaturation
Glycerol - fatty acid
15. __________ = glucose + fructose.
Polysaccharides
Cellulose
Fructose
Sucrose
16. There are ________ types of carbohydrates.
dehydration synthesis
Hormones
Support
three
17. Proteins create ___________ that bring reactants together faster or slower.
phosphate
Four
Enzymes
Hormones
18. Lipids are ____ ______________ in cell membranes.
Key components
Monosaccharides
Lipids
Waxes
19. __________ = galactose + glucose
Carbohydrates
saturated - unsaturated
Lactose
Proteins
20. _____________ are found in plant cell walls.
Enzymes
Cellulose
nucleic acids
Galactose
21. The two types of starches are ___________ - and ______________.
Amylose - amylopectin
Isomers
glycogen
Animals
22. Vitamins and Minerals are often found in __________ _________.
Transport
Macronutrients
complex chemicals
amino acids
23. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
cellulose
Secondary Protein Structure
Micronutrients
Proteins
24. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources
Lipids
Lipids
Unsaturated Triglycerides
Polymers
25. Triglycerides can be _____________ - or _______________.
Hormones
saturated - unsaturated
dehydration synthesis
Defense
26. Macronutrients consists of ______________ - proteins - and lipids.
Sucrose
amylose
cellulose
carbohydrates
27. The three types of Polysaccharides are _____________ - _____________ - and _____________.
starch - glycogen - cellulose
Quartenary Protein Structure
Waxes
Carbohydrates
28. _____________ store energy in the form of fat.
amylose
Phospholipids
saturated - unsaturated
Lipids
29. __________ = glucose + glucose.
nucleic acids
Micronutrients
peptide bond
Maltose
30. _____________ are plant polysaccharides - stores energy for plants.
Starches
Four
complex chemicals
Nucleic Acids
31. _____________ is when a protein changes shape temporarily.
Primary Protein Structure
Denaturation
sugar - phosphate - nitrogenous
Proteins
32. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.
amino acid - hydrogen - carboxyl group - are-group
metabolism
1680 kJ
vitamins and minerals
33. There are ______ kinds of lipids.
Glucose
vitamins and minerals
Four
amylopectin
34. ________________ usually have a molecular formula ratio of C:H:O in 1:2:1.
Glucose
starch - glycogen - cellulose
dehydration synthesis
Monosaccharides
35. ______ of fat = 3870 kJ of energy.
Macronutrients
100g
Lactose
sugar - phosphate - nitrogenous
36. Proteins help keep our cells and muscles in _________.
sugar molecules
Motion
plant cells
Triglycerides
37. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
complex chemicals
3870 kJ
Micronutrients
saturated - unsaturated
38. Monosaccharides are also called ________ __________.
Waxes
Disaccharides
Glucose - Galactose - Fructose
simple sugars
39. _____________ is when a protein changes shape permanently.
Lipids
Essential amino acids
plant cells
Coagulation
40. _________________ are made of a single sugar unit.
plant
Monosaccharides
carbohydrates
Animals
41. _____________ look like amylopectin but only have 16-24 glucose on each branch.
lipds
Proteins
glycogen
Tertiary Protein Structure
42. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
Proteins
Lactose
100 g
Carbohydrates
43. _____________ _____________ _____________- the are groups interact to change coil structure.
Carbohydrates
Tertiary Protein Structure
starch
Polysaccharides
44. The three types of Polysaccharides are _____________ - glycogen - and cellulose.
energy and molecules
amylopectin
starch
glycogen
45. ______________ _______________ : single bonds exist between carbons - they are stable and hard to break down so they will remain in our body longer. animal sources
Cellulose
Saturated Triglycerides
nucleic acids
Protein structures
46. 100 g of fat = __________ of energy.
3870 kJ
Quartenary Protein Structure
Sucrose
energy and molecules
47. _____________ _____________ _____________- coils of amino acids.
carbohydrates
Hydrophilic - hydrophobic
Secondary Protein Structure
Galactose
48. Proteins help _____________ important substances to different areas of the body.
dehydration synthesis
synthesis
Twenty - Twelve - Eight.
Transport
49. __________ are needed for fat soluble vitamins.
dehydration
Lipids
cellulose
amylose
50. ____________ _______ are genetic material that directs cell activity.
Nucleic Acids
saturated - unsaturated
three
Enzymes