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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. _____________ is where animals store carbohydrates.
Phospholipids
glycogen
two monosaccharides
Tertiary Protein Structure
2. The three types of Polysaccharides are _____________ - _____________ - and _____________.
Lactose
Non-polar
Four
starch - glycogen - cellulose
3. __________ = galactose + glucose
Lactose
Hormones
Enzymes
Primary Protein Structure
4. Proteins help _____________ important substances to different areas of the body.
Transport
Lipids
Cellulose
Unsaturated Triglycerides
5. Vitamins and Minerals are often found in __________ _________.
complex chemicals
lipds
Hydrolysis
Glucose
6. Some examples of Monosaccharides are _________ - Galactose - Fructose.
Denaturation
Lipids
carbohydrates - proteins - and lipids.
Glucose
7. 100 g of fat = __________ of energy.
3870 kJ
Glucose - Galactose - Fructose
energy and molecules
sugar
8. 100 g of carbs = __________ of energy.
1680 kJ
Waxes
Lipids
Lipids
9. ___________ have different properties. Ex - fructose is sweeter.
Nucleic Acids
Proteins
plant
Isomers
10. Breakdown of more complex substances into simpler ones with release of energy.
Hydrophilic - hydrophobic
Catabolism
Enzymes
Glycerol - fatty acid
11. _____________ look like amylopectin but only have 16-24 glucose on each branch.
glycogen
phosphate
3870 kJ
carbohydrates
12. Proteins create ___________ that bring reactants together faster or slower.
nitrogenous
Enzymes
glycogen
Hormones
13. Proteins create ___________ that bring reactants together faster or slower.
synthesis
Enzymes
dehydration synthesis
Dehydration synthesis
14. _____________ molecules are not negatively or positively charged.
Animals
Waxes
Denaturation
Non-polar
15. _____________ is when a protein changes shape permanently.
Lipids
Proteins
Protein structures
Coagulation
16. The two types of starches are ___________ - and ______________.
Isomers
Protein structures
amylopectin
Amylose - amylopectin
17. ________ includes all fats and oils.
Hormones
Lactose
Lipids
Non-polar
18. ______ of carbs = 1680 kJ of energy.
Hormones
peptide bond
complex chemicals
100 g
19. ____________ _______ are genetic material that directs cell activity.
Glycerol - fatty acid
Nucleic Acids
nitrogenous
Carbohydrates
20. _____________ are made of one glycerol and three fatty acid chains.
glycogen
Triglycerides
Lipids
Transport
21. Proteins create _____________ that affect growth and serve as messengers.
3870 kJ
Carbohydrates
Hormones
lipds
22. _______ are non-polar molecules.
Hydrophilic - hydrophobic
cushion - insulates
dehydration synthesis
Lipids
23. _______________ is the primary energy source for cells.
Hormones
proteins
Carbohydrates
Proteins
24. _______________ consists of carbohydrates - proteins - and lipids.
Enzymes
Macronutrients
starch - glycogen - cellulose
synthesis
25. ______________ are made of two monosaccharides combined together.
Animals
glycogen
Lipids
Disaccharides
26. All lipids are made of two structural units: ___________ - and _______ ______.
synthesis
Glycerol - fatty acid
Carbohydrates
dehydration synthesis
27. _______________ are made of all sugar molecules.
Non-soluble
Carbohydrates
Glycerol - fatty acid
Galactose
28. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
Quartenary Protein Structure
carbohydrates - proteins - and lipids.
Polysaccharides
Triglycerides - phospholipids - waxes - sterols
29. Lipids are used to make _____________.
1680 kJ
Hormones
Nucleic Acids
Lipids
30. ______ are the structural components of cell membranes.
Non-soluble
energy and molecules
Lipids
peptide bond
31. Micronutrients consists of Vitamins and Minerals - and _________ ______.
Proteins
Hydrolysis
Macronutrients
nucleic acids
32. The two types of starches are ___________ - and ______________.
Saturated Triglycerides
synthesis
Amylose - amylopectin
Protein structures
33. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.
simple sugars
Macronutrients
metabolism
Cellulose
34. Nucleic acids are composed of sugar ____________ - and nitrogenous bases.
cellulose
dehydration synthesis
phosphate
Support
35. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
Monosaccharides
synthesis
Carbohydrates
Micronutrients
36. _______________ can have one single sugar molecule or can be polymers.
Protein structures
Glycerol - fatty acid
glycogen
Carbohydrates
37. Lipids are _____________ (does not dissolve in water).
Triglycerides
Non-soluble
Maltose
Lipids
38. Lipids are used to make _____________.
Hormones
sugar molecules
Nucleic Acids
Isomers
39. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.
Hydrophilic - hydrophobic
four
Twenty - Twelve - Eight.
Proteins
40. Some examples of Monosaccharides are _________ - ___________ - __________.
Carbohydrates
Glucose - Galactose - Fructose
Essential amino acids
sugar
41. There are ______ kinds of lipids.
Primary Protein Structure
Four
Tertiary Protein Structure
simple sugars
42. _____________ ________ _____ are the eight amino acids our body cannot make.
Dehydration synthesis
sugar - phosphate - nitrogenous
Essential amino acids
Isomers
43. The bond formed between two amino acids are called a __________ ______.
Disaccharides
Non-polar
peptide bond
amino acids
44. Micronutrients consists of Vitamins and Minerals - and _________ ______.
Essential amino acids
Polymers
nucleic acids
Non-polar
45. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources
Sucrose
Unsaturated Triglycerides
three
Twenty - Twelve - Eight.
46. Proteins are made when many many amino acids combine together through _____________ _____________.
dehydration synthesis
glycogen
three
Starches
47. Every living thing requires a constant supply of __________ ___ ____________.
Enzymes
Essential amino acids
energy and molecules
Lipids
48. Some examples of Monosaccharides are _________ - Galactose - Fructose.
100 g
Glucose
nucleic acids
metabolism
49. There are _____ types of protein structure.
dehydration
four
sugar molecules
Maltose
50. _________________ are made of a single sugar unit.
Waxes
Twenty - Twelve - Eight.
Monosaccharides
phosphate