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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. Disaccharides are made of _____ __________________ combined together.
Transport
Polysaccharides
two monosaccharides
Maltose
2. _______________ are made of glycerol and two fatty acids and a phosphate group.
Phospholipids
Non-soluble
Hydrophilic - hydrophobic
Carbohydrates
3. _______________ are made of all sugar molecules.
Transport
Carbohydrates
phosphate
peptide bond
4. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.
Sterols
energy and molecules
Carbohydrates
Protein structures
5. Macronutrients consists of carbohydrates - __________ - and lipids.
proteins
Four
peptide bond
amylose
6. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources
Polysaccharides
Hydrolysis
Unsaturated Triglycerides
synthesis
7. Some examples of Monosaccharides are _________ - ___________ - __________.
Triglycerides - phospholipids - waxes - sterols
synthesis
saturated - unsaturated
Glucose - Galactose - Fructose
8. 100 g of carbs = __________ of energy.
Lactose
Phospholipids
Secondary Protein Structure
1680 kJ
9. _____________ is when a protein changes shape temporarily.
Denaturation
Secondary Protein Structure
synthesis
Non-polar
10. ______ of fat = 3870 kJ of energy.
Hydrophilic - hydrophobic
nitrogenous
100g
starch
11. When two monosaccharides combine together - the chemical reaction is call _____________ _____________.
dehydration synthesis
Lactose
Glycerol - fatty acid
Proteins
12. ______________ are acquired from plants. (Photosynthesis -> glucose)
Glucose
Lipids
Carbohydrates
Amylose - amylopectin
13. _______________ can have one single sugar molecule or can be polymers.
amylopectin
dehydration synthesis
Carbohydrates
Hormones
14. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
Anabolism
Micronutrients
Monosaccharides
Enzymes
15. _____________ are plant polysaccharides - stores energy for plants.
Amylose - amylopectin
proteins
Carbohydrates
Starches
16. ___________: combining two things together to make something new.
synthesis
Macronutrients
Carbohydrates
Cellulose
17. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
saturated - unsaturated
nucleic acids
Glycerol - fatty acid
Micronutrients
18. Vitamins and Minerals are often found in __________ _________.
Lipids
Carbohydrates
Carbohydrates
complex chemicals
19. _____________ are made of one glycerol and three fatty acid chains.
Carbohydrates
Triglycerides
Dehydration synthesis
Sterols
20. ________ includes all fats and oils.
Lipids
plant cells
simple sugars
phosphate
21. __________ _____ ___________ help in chemical reactions.
vitamins and minerals
peptide bond
Lipids
Lipids
22. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources
Unsaturated Triglycerides
amino acids
Protein structures
cushion - insulates
23. 100 g of fat = __________ of energy.
dehydration
3870 kJ
Essential amino acids
Four
24. Proteins help keep our cells and muscles in _________.
glycogen
Support
Lipids
Motion
25. Some examples of Monosaccharides are _________ - Galactose - Fructose.
Glucose
carbohydrates
Carbohydrates
nucleic acids
26. _____________ _____________ _____________- the are groups interact to change coil structure.
sugar molecules
Tertiary Protein Structure
Saturated Triglycerides
Lipids
27. _____________ is when a protein changes shape permanently.
Coagulation
synthesis
Amylose - amylopectin
dehydration synthesis
28. The chemical reaction for glycerol and fatty acids combining together to form triglyceride is also called _______________ _____________.
amylopectin
glycogen
amylose
Dehydration synthesis
29. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
Motion
Galactose
cellulose
Monosaccharides
30. Breakdown of more complex substances into simpler ones with release of energy.
Catabolism
Carbohydrates
Essential amino acids
Coagulation
31. Micronutrients consists of Vitamins and Minerals - and _________ ______.
Macronutrients
100 g
nucleic acids
Catabolism
32. Proteins __________ ligaments - tendons - and skin.
Non-soluble
Lipids
Support
carbohydrates
33. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
Hormones
Carbohydrates
Proteins
Lipids
34. The bond formed between two amino acids are called a __________ ______.
four
peptide bond
nitrogenous
Carbohydrates
35. Triglycerides can be _____________ - or _______________.
saturated - unsaturated
100g
Lipids
Monosaccharides
36. ___________: to lose a water molecule.
sugar - phosphate - nitrogenous
dehydration
amylose
Polar - non-polar
37. Macronutrients consists of carbohydrates - proteins - and _______.
Polysaccharides
Macronutrients
lipds
amylopectin
38. _____________ are found in plant cell walls.
proteins
cushion - insulates
Cellulose
Phospholipids
39. Lipids are ____ ______________ in cell membranes.
vitamins and minerals
glycogen
Proteins
Key components
40. The opposite of dehydration synthesis is _____________.
Motion
Carbohydrates
Carbohydrates
Hydrolysis
41. ______________ are made of two monosaccharides combined together.
glycogen
Carbohydrates
Non-polar
Disaccharides
42. ___________ have different properties. Ex - fructose is sweeter.
cushion - insulates
Protein structures
Isomers
Coagulation
43. Proteins __________ ligaments - tendons - and skin.
Protein structures
three
Support
Twenty - Twelve - Eight.
44. _____________ store energy in the form of fat.
Lactose
dehydration synthesis
Lipids
Double layered cell membrane
45. __________ = glucose + fructose.
Polar - non-polar
starch - glycogen - cellulose
Sterols
Sucrose
46. Macronutrients consists of ______________ - proteins - and lipids.
carbohydrates
amino acids
Lipids
synthesis
47. Some examples of Monosaccharides are Glucose - Galactose - __________.
Fructose
amino acid - hydrogen - carboxyl group - are-group
synthesis
Nucleic Acids
48. Proteins are composed of ______ ______.
Monosaccharides
Waxes
amino acids
Polysaccharides
49. ____________: more than one sugar molecule.
Transport
Enzymes
Polymers
Sterols
50. ____________ _______ are genetic material that directs cell activity.
Nucleic Acids
Key components
Fructose
Monosaccharides