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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. __________ _____ ___________ help in chemical reactions.
vitamins and minerals
amylopectin
Sterols
two monosaccharides
2. ________ includes all fats and oils.
Secondary Protein Structure
Lipids
Carbohydrates
vitamins and minerals
3. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.
amino acids
Twenty - Twelve - Eight.
Carbohydrates
Polar - non-polar
4. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.
Coagulation
vitamins and minerals
phosphate
Protein structures
5. Lipids are _____________ (does not dissolve in water).
Non-soluble
Carbohydrates
Tertiary Protein Structure
Double layered cell membrane
6. ___________ are important for long-term storage of energy.
Hormones
plant
two monosaccharides
Lipids
7. Proteins help _____________ important substances to different areas of the body.
cellulose
Lipids
amylopectin
Transport
8. Some examples of Monosaccharides are _________ - ___________ - __________.
Secondary Protein Structure
Glucose - Galactose - Fructose
Catabolism
amino acids
9. ____________: when molecules have the same chemical formula but different structures.
Glucose - Galactose - Fructose
Isomers
Polymers
two monosaccharides
10. There are ________ types of carbohydrates.
Carbohydrates
Carbohydrates
Disaccharides
three
11. _______________ is the primary energy source for cells.
Carbohydrates
3870 kJ
cellulose
vitamins and minerals
12. Micronutrients consists of Vitamins and Minerals - and _________ ______.
amylose
amylopectin
Isomers
nucleic acids
13. __________ = glucose + glucose.
Maltose
amylopectin
energy and molecules
three
14. The opposite of dehydration synthesis is _____________.
Denaturation
Four
complex chemicals
Hydrolysis
15. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
Lipids
Proteins
Carbohydrates
Waxes
16. __________ = galactose + glucose
Starches
Hormones
Four
Lactose
17. __________ = glucose + fructose.
two monosaccharides
Sucrose
Carbohydrates
Lactose
18. _______________ is the primary energy source for cells.
metabolism
Hydrolysis
nucleic acids
Carbohydrates
19. _______________ are made of glycerol and two fatty acids and a phosphate group.
Proteins
Lipids
Isomers
Phospholipids
20. The opposite of dehydration synthesis is _____________.
100 g
Triglycerides
Hydrolysis
plant
21. _______ are non-polar molecules.
Nucleic Acids
Lipids
Fructose
two monosaccharides
22. There are _____ types of protein structure.
Hormones
four
Lipids
Animals
23. The three types of Polysaccharides are _____________ - _____________ - and _____________.
sugar
starch - glycogen - cellulose
Hydrolysis
Unsaturated Triglycerides
24. 100 g of carbs = __________ of energy.
1680 kJ
plant cells
Secondary Protein Structure
100g
25. Nucleic acids are composed of _______ - ____________ - and _____________ bases.
plant cells
Polysaccharides
sugar - phosphate - nitrogenous
glycogen
26. ____________ _______ are genetic material that directs cell activity.
Nucleic Acids
carbohydrates
Micronutrients
Carbohydrates
27. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
peptide bond
synthesis
lipds
Carbohydrates
28. _____________ store energy in the form of fat.
Sterols
Phospholipids
Monosaccharides
Lipids
29. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
Triglycerides
Quartenary Protein Structure
Lipids
Carbohydrates
30. ______ of fat = 3870 kJ of energy.
starch - glycogen - cellulose
Polysaccharides
Support
100g
31. Lipids are used to make _____________.
Hormones
Maltose
Lipids
Sucrose
32. 100 g of fat = __________ of energy.
Unsaturated Triglycerides
cellulose
3870 kJ
Lipids
33. Every living thing requires a constant supply of __________ ___ ____________.
Non-soluble
two monosaccharides
energy and molecules
Hormones
34. __________ = glucose + fructose.
Triglycerides
Sucrose
Polar - non-polar
Non-polar
35. 100 g of fat = __________ of energy.
Monosaccharides
3870 kJ
plant cells
Secondary Protein Structure
36. Nucleic acids are composed of sugar - phosphate - and _____________ bases.
Proteins
plant
nitrogenous
Lactose
37. ______________ are acquired from plants. (Photosynthesis -> glucose)
Carbohydrates
Tertiary Protein Structure
Denaturation
Hormones
38. All _____________ have different proteins (amino acids)
amylopectin
Proteins
Lipids
Animals
39. Carbohydrates are made of all ________ ____________.
Sterols
sugar molecules
Galactose
Lipids
40. _____________ contain up to 1000-6000 glucose molecules linked together.
Waxes
Proteins
amylopectin
metabolism
41. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
proteins
nucleic acids
sugar
Carbohydrates
42. Proteins create ___________ that bring reactants together faster or slower.
two monosaccharides
Enzymes
complex chemicals
glycogen
43. 100 g of carbs = __________ of energy.
Secondary Protein Structure
1680 kJ
Waxes
Proteins
44. Proteins help form antibodies for _____________.
Lactose
Defense
Starches
Hormones
45. _____________ are found in plant cell walls.
dehydration synthesis
Cellulose
four
Essential amino acids
46. The bond formed between two amino acids are called a __________ ______.
100g
peptide bond
3870 kJ
Essential amino acids
47. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.
Hormones
Protein structures
complex chemicals
peptide bond
48. Macronutrients consists of _______________ - _________ - and _______.
Waxes
carbohydrates - proteins - and lipids.
energy and molecules
Non-soluble
49. Triglycerides can be _____________ - or _______________.
plant
saturated - unsaturated
Carbohydrates
Sucrose
50. _____________ _____________ _____________- the are groups interact to change coil structure.
Tertiary Protein Structure
saturated - unsaturated
Lipids
Phospholipids