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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. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.
Polymers
vitamins and minerals
phosphate
Carbohydrates
2. Micronutrients consists of Vitamins and Minerals - and _________ ______.
nucleic acids
plant
carbohydrates - proteins - and lipids.
Polar - non-polar
3. __________ = galactose + glucose
vitamins and minerals
Tertiary Protein Structure
Lactose
Denaturation
4. _____________ contain many branches that make up 24-36 glucose molecules.
glycogen
glycogen
amylopectin
vitamins and minerals
5. __________ _____ ___________ help in chemical reactions.
100g
Secondary Protein Structure
vitamins and minerals
Proteins
6. ______ of carbs = 1680 kJ of energy.
100 g
amylose
Fructose
Glycerol - fatty acid
7. The chemical reaction for glycerol and fatty acids combining together to form triglyceride is also called _______________ _____________.
Phospholipids
sugar - phosphate - nitrogenous
Double layered cell membrane
Dehydration synthesis
8. The three types of Polysaccharides are _____________ - glycogen - and cellulose.
starch
Macronutrients
Lipids
metabolism
9. Lipids __________ - and ____________ organs.
Macronutrients
Carbohydrates
dehydration synthesis
cushion - insulates
10. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
Galactose
Glucose - Galactose - Fructose
Lipids
Carbohydrates
11. Vitamins and Minerals are often found in __________ _________.
complex chemicals
sugar
Lipids
Essential amino acids
12. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.
Proteins
glycogen
Enzymes
metabolism
13. _____________ contain many branches that make up 24-36 glucose molecules.
amylopectin
Sterols
energy and molecules
sugar
14. Lipids are ____ ______________ in cell membranes.
Proteins
Key components
proteins
saturated - unsaturated
15. ___________ are important for long-term storage of energy.
Coagulation
Lipids
Support
amylopectin
16. __________ = glucose + glucose.
Monosaccharides
vitamins and minerals
Four
Maltose
17. Some examples of Monosaccharides are _________ - Galactose - Fructose.
Isomers
Glucose
plant cells
Twenty - Twelve - Eight.
18. _______________ are fast sources of energy.
Lactose
three
Carbohydrates
Defense
19. __________ are the structural components of the cell.
Proteins
Carbohydrates
cellulose
carbohydrates
20. Vitamins and Minerals are often found in __________ _________.
complex chemicals
Transport
Enzymes
Glucose - Galactose - Fructose
21. There are ______ kinds of lipids.
simple sugars
Anabolism
Saturated Triglycerides
Four
22. Macronutrients consists of carbohydrates - __________ - and lipids.
Four
nitrogenous
proteins
simple sugars
23. _____________ is where animals store carbohydrates.
Waxes
Lipids
cellulose
glycogen
24. The three types of Polysaccharides are starch - glycogen - and _____________.
Lipids
amino acids
cellulose
Starches
25. Phospholipids forms a _________ _____________ _____________ _____________ that is essential for structure and function.
Double layered cell membrane
Carbohydrates
Carbohydrates
Key components
26. Carbohydrates are made of all ________ ____________.
sugar molecules
peptide bond
nitrogenous
Four
27. _____________ are found in plant cell walls.
Triglycerides
glycogen
Cellulose
Animals
28. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
phosphate
Micronutrients
Galactose
vitamins and minerals
29. _______________ is the primary energy source for cells.
amino acids
Glucose
Carbohydrates
Sterols
30. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
sugar
Non-soluble
plant
Denaturation
31. _____________ is when a protein changes shape temporarily.
Lipids
Enzymes
Disaccharides
Denaturation
32. The chemical reaction for glycerol and fatty acids combining together to form triglyceride is also called _______________ _____________.
Dehydration synthesis
amylopectin
Disaccharides
Hormones
33. Synthesis of more complex substances from simpler ones.
Monosaccharides
Anabolism
Lipids
Sterols
34. Carbohydrates are structural material for ______ ______.
plant cells
Polar - non-polar
Sucrose
Carbohydrates
35. _____________ look like amylopectin but only have 16-24 glucose on each branch.
Polymers
Double layered cell membrane
glycogen
Hydrolysis
36. _______ are non-polar molecules.
Tertiary Protein Structure
Lipids
carbohydrates
sugar molecules
37. 100 g of fat = __________ of energy.
Maltose
sugar - phosphate - nitrogenous
3870 kJ
vitamins and minerals
38. The three types of Polysaccharides are _____________ - _____________ - and _____________.
Waxes
Polymers
starch - glycogen - cellulose
amylose
39. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.
Protein structures
Hormones
Phospholipids
Non-polar
40. _____________ _____________ _____________- coils of amino acids.
Maltose
plant cells
amino acids
Secondary Protein Structure
41. __________ = glucose + fructose.
Lipids
Sucrose
Nucleic Acids
simple sugars
42. ______ of fat = 3870 kJ of energy.
Starches
Glycerol - fatty acid
100g
Glucose
43. When two monosaccharides combine together - the chemical reaction is call _____________ _____________.
Glucose
Lipids
Non-soluble
dehydration synthesis
44. ___________: to lose a water molecule.
sugar molecules
100g
vitamins and minerals
dehydration
45. The four kinds of lipids are _______________ - _______________ - ________ - and ___________.
Triglycerides - phospholipids - waxes - sterols
nitrogenous
vitamins and minerals
Saturated Triglycerides
46. _____________ is when a protein changes shape temporarily.
Triglycerides - phospholipids - waxes - sterols
Denaturation
carbohydrates
Lipids
47. __________ = galactose + glucose
Lactose
amino acids
Essential amino acids
amylopectin
48. ____________ _______ are genetic material that directs cell activity.
Proteins
Nucleic Acids
starch
amino acid - hydrogen - carboxyl group - are-group
49. Proteins create _____________ that affect growth and serve as messengers.
Hormones
saturated - unsaturated
nucleic acids
Sucrose
50. _____________ is where animals store carbohydrates.
Denaturation
Isomers
glycogen
simple sugars