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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. Nucleic acids are composed of _______ - ____________ - and _____________ bases.
Dehydration synthesis
sugar - phosphate - nitrogenous
Secondary Protein Structure
Monosaccharides
2. The bond formed between two amino acids are called a __________ ______.
peptide bond
Isomers
dehydration
vitamins and minerals
3. Proteins help _____________ important substances to different areas of the body.
Transport
synthesis
carbohydrates - proteins - and lipids.
glycogen
4. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.
amylopectin
Non-polar
metabolism
Proteins
5. _____________ are found in plant cell walls.
dehydration synthesis
Cellulose
Quartenary Protein Structure
Disaccharides
6. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.
amino acid - hydrogen - carboxyl group - are-group
Lipids
Polymers
Lipids
7. Lipids are used to make _____________.
Carbohydrates
Hormones
Proteins
Hydrolysis
8. There are ________ types of carbohydrates.
Animals
Glucose
complex chemicals
three
9. ______ of fat = 3870 kJ of energy.
100g
Carbohydrates
amylose
Macronutrients
10. ________ are used to maintain a body temperature.
Double layered cell membrane
Lipids
Motion
3870 kJ
11. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
cellulose
Proteins
Lipids
dehydration synthesis
12. _______________ is the primary energy source for cells.
Glucose
metabolism
Carbohydrates
Lipids
13. Carbohydrates are made of all ________ ____________.
nucleic acids
Polysaccharides
sugar molecules
Glucose - Galactose - Fructose
14. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
Proteins
sugar
Cellulose
Animals
15. Macronutrients consists of _______________ - _________ - and _______.
Carbohydrates
carbohydrates - proteins - and lipids.
Carbohydrates
saturated - unsaturated
16. Breakdown of more complex substances into simpler ones with release of energy.
energy and molecules
Catabolism
Polar - non-polar
two monosaccharides
17. 100 g of carbs = __________ of energy.
proteins
1680 kJ
Galactose
Carbohydrates
18. Carbohydrates are made of all ________ ____________.
four
sugar molecules
Triglycerides - phospholipids - waxes - sterols
Lipids
19. Phospholipids forms a _________ _____________ _____________ _____________ that is essential for structure and function.
Micronutrients
Double layered cell membrane
dehydration
sugar
20. Starches are _______ polysaccharides - stores energy for _______.
plant
lipds
Twenty - Twelve - Eight.
Hydrolysis
21. __________ = glucose + glucose.
Motion
Sucrose
Maltose
Enzymes
22. All lipids are made of two structural units: ___________ - and _______ ______.
Glycerol - fatty acid
Cellulose
vitamins and minerals
nitrogenous
23. There are ______ kinds of lipids.
Essential amino acids
three
Lipids
Four
24. Lipids are _____________ (does not dissolve in water).
Monosaccharides
Non-soluble
Disaccharides
Maltose
25. ____________: more than one sugar molecule.
Polymers
Monosaccharides
glycogen
dehydration
26. _______________ are fast sources of energy.
Carbohydrates
Polymers
amino acids
Four
27. _____________ is where animals store carbohydrates.
four
amino acid - hydrogen - carboxyl group - are-group
amino acids
glycogen
28. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
sugar - phosphate - nitrogenous
Galactose
Proteins
Disaccharides
29. When two monosaccharides combine together - the chemical reaction is call _____________ _____________.
carbohydrates
dehydration synthesis
cellulose
3870 kJ
30. Some examples of Monosaccharides are _________ - Galactose - Fructose.
Micronutrients
amylose
four
Glucose
31. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
vitamins and minerals
Double layered cell membrane
Unsaturated Triglycerides
Galactose
32. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
plant cells
Nucleic Acids
Monosaccharides
Quartenary Protein Structure
33. ______ are the structural components of cell membranes.
Lipids
carbohydrates - proteins - and lipids.
Primary Protein Structure
simple sugars
34. _________________ are made of a single sugar unit.
starch - glycogen - cellulose
Isomers
Monosaccharides
Animals
35. __________ are the structural components of the cell.
Primary Protein Structure
Maltose
Hormones
Proteins
36. ______ are energy storage compounds.
Hormones
Lipids
cushion - insulates
Defense
37. _____________ are plant polysaccharides - stores energy for plants.
Nucleic Acids
Micronutrients
Starches
Double layered cell membrane
38. Some examples of Monosaccharides are _________ - ___________ - __________.
Isomers
Key components
Glucose - Galactose - Fructose
Polysaccharides
39. _____________ store energy in the form of fat.
Catabolism
Lipids
Transport
Monosaccharides
40. The four kinds of lipids are _______________ - _______________ - ________ - and ___________.
Triglycerides - phospholipids - waxes - sterols
amylopectin
lipds
Carbohydrates
41. Lipids are ____ ______________ in cell membranes.
Twenty - Twelve - Eight.
nitrogenous
sugar molecules
Key components
42. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
3870 kJ
Waxes
Carbohydrates
Lipids
43. __________ = galactose + glucose
amylopectin
Lactose
100 g
Glucose - Galactose - Fructose
44. All _____________ have different proteins (amino acids)
Carbohydrates
Lipids
Animals
Key components
45. _____________ ________ _____ are the eight amino acids our body cannot make.
Essential amino acids
Non-polar
synthesis
Carbohydrates
46. Micronutrients consists of Vitamins and Minerals - and _________ ______.
Coagulation
100 g
nucleic acids
Lipids
47. Triglycerides can be _____________ - or _______________.
Four
amino acid - hydrogen - carboxyl group - are-group
Hormones
saturated - unsaturated
48. ________ includes all fats and oils.
Polysaccharides
Hormones
Lipids
Carbohydrates
49. The bond formed between two amino acids are called a __________ ______.
peptide bond
proteins
glycogen
dehydration synthesis
50. ______ of fat = 3870 kJ of energy.
Lipids
Enzymes
100g
Key components