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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. Triglycerides can be _____________ - or _______________.
Triglycerides - phospholipids - waxes - sterols
Micronutrients
saturated - unsaturated
Carbohydrates
2. The three types of Polysaccharides are _____________ - _____________ - and _____________.
dehydration
Denaturation
cushion - insulates
starch - glycogen - cellulose
3. _____________ look like amylopectin but only have 16-24 glucose on each branch.
four
amino acids
glycogen
Essential amino acids
4. ___________ have different properties. Ex - fructose is sweeter.
Polysaccharides
Isomers
sugar molecules
Key components
5. Proteins are made when many many amino acids combine together through _____________ _____________.
Proteins
Lipids
dehydration synthesis
Macronutrients
6. __________ = glucose + glucose.
Primary Protein Structure
Maltose
dehydration
Secondary Protein Structure
7. ____________ creates cholesterol - estrogen and pheromones.
Sterols
two monosaccharides
saturated - unsaturated
metabolism
8. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
plant
synthesis
Quartenary Protein Structure
Micronutrients
9. _____________ are plant polysaccharides - stores energy for plants.
Proteins
Starches
starch
Monosaccharides
10. ____________ _______ are genetic material that directs cell activity.
Nucleic Acids
Lipids
Catabolism
amino acids
11. Proteins help keep our cells and muscles in _________.
Micronutrients
Lipids
Motion
Glucose - Galactose - Fructose
12. __________ = galactose + glucose
Triglycerides
Enzymes
Lactose
Polymers
13. _____________ store energy in the form of fat.
Carbohydrates
Four
Lipids
Hormones
14. Macronutrients consists of carbohydrates - proteins - and _______.
lipds
Carbohydrates
Support
peptide bond
15. Phospholipids have a _______ head - and a _____________ tail.
Secondary Protein Structure
nitrogenous
Polar - non-polar
Lipids
16. Proteins help _____________ important substances to different areas of the body.
Tertiary Protein Structure
Monosaccharides
saturated - unsaturated
Transport
17. Macronutrients consists of carbohydrates - __________ - and lipids.
energy and molecules
Carbohydrates
Triglycerides - phospholipids - waxes - sterols
proteins
18. 100 g of carbs = __________ of energy.
1680 kJ
Carbohydrates
glycogen
Proteins
19. _____________ contain up to 1000-6000 glucose molecules linked together.
amylopectin
Monosaccharides
Proteins
Sucrose
20. __________ = glucose + glucose.
amylopectin
Fructose
Starches
Maltose
21. _______________ are fast sources of energy.
Key components
Carbohydrates
Essential amino acids
Monosaccharides
22. Proteins create ___________ that bring reactants together faster or slower.
phosphate
Polymers
Enzymes
Denaturation
23. _______________ consists of carbohydrates - proteins - and lipids.
Amylose - amylopectin
Macronutrients
Anabolism
3870 kJ
24. The three types of Polysaccharides are _____________ - glycogen - and cellulose.
Hydrophilic - hydrophobic
energy and molecules
starch
Glycerol - fatty acid
25. ________ are used to maintain a body temperature.
Enzymes
Lipids
vitamins and minerals
Fructose
26. Lipids are ____ ______________ in cell membranes.
sugar molecules
phosphate
Key components
nucleic acids
27. 100 g of fat = __________ of energy.
Amylose - amylopectin
3870 kJ
Lipids
Lipids
28. _____________ ________ _____ are the eight amino acids our body cannot make.
Lipids
Lipids
lipds
Essential amino acids
29. Synthesis of more complex substances from simpler ones.
Waxes
Waxes
Fructose
Anabolism
30. Some examples of Monosaccharides are _________ - Galactose - Fructose.
Non-soluble
Glucose
100 g
Four
31. _______________ can have one single sugar molecule or can be polymers.
Carbohydrates
Non-soluble
Glycerol - fatty acid
Starches
32. Macronutrients consists of _______________ - _________ - and _______.
Hormones
Polar - non-polar
Carbohydrates
carbohydrates - proteins - and lipids.
33. ________ includes all fats and oils.
Catabolism
Animals
Lipids
Galactose
34. Macronutrients consists of ______________ - proteins - and lipids.
Isomers
carbohydrates
complex chemicals
1680 kJ
35. The four kinds of lipids are _______________ - _______________ - ________ - and ___________.
Protein structures
Triglycerides - phospholipids - waxes - sterols
carbohydrates - proteins - and lipids.
Four
36. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
Isomers
Micronutrients
Polysaccharides
Catabolism
37. Proteins create ___________ that bring reactants together faster or slower.
amylose
Enzymes
Monosaccharides
1680 kJ
38. _____________ are made of one glycerol and three fatty acid chains.
Micronutrients
Tertiary Protein Structure
Triglycerides
sugar
39. __________ are the structural components of the cell.
amino acid - hydrogen - carboxyl group - are-group
two monosaccharides
Key components
Proteins
40. _____________ are made of one glycerol and three fatty acid chains.
Secondary Protein Structure
Triglycerides
vitamins and minerals
Primary Protein Structure
41. _____________ contain many branches that make up 24-36 glucose molecules.
amylopectin
Monosaccharides
cellulose
Animals
42. _____________ _____________ _____________- a single chain of sequenced amino acids.
phosphate
glycogen
Primary Protein Structure
nitrogenous
43. Starches are _______ polysaccharides - stores energy for _______.
energy and molecules
plant
Nucleic Acids
Triglycerides
44. Proteins __________ ligaments - tendons - and skin.
Support
Proteins
Macronutrients
Enzymes
45. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.
glycogen
glycogen
amino acid - hydrogen - carboxyl group - are-group
Essential amino acids
46. Monosaccharides are also called ________ __________.
sugar - phosphate - nitrogenous
simple sugars
Micronutrients
Maltose
47. _______________ can have one single sugar molecule or can be polymers.
Primary Protein Structure
Carbohydrates
Maltose
Unsaturated Triglycerides
48. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.
Waxes
peptide bond
vitamins and minerals
Lipids
49. Lipids __________ - and ____________ organs.
Phospholipids
Four
metabolism
cushion - insulates
50. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.
Polysaccharides
Lipids
Unsaturated Triglycerides
Protein structures