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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. When two monosaccharides combine together - the chemical reaction is call _____________ _____________.
amino acids
dehydration synthesis
Triglycerides - phospholipids - waxes - sterols
Polysaccharides
2. _____________ _____________ _____________- a single chain of sequenced amino acids.
Anabolism
Dehydration synthesis
Primary Protein Structure
100g
3. Nucleic acids are composed of sugar - phosphate - and _____________ bases.
sugar molecules
nitrogenous
Disaccharides
simple sugars
4. ___________: combining two things together to make something new.
synthesis
amylopectin
Lactose
dehydration synthesis
5. There are _____ types of protein structure.
carbohydrates
Secondary Protein Structure
four
Lipids
6. ____________ _______ are genetic material that directs cell activity.
Dehydration synthesis
Galactose
Nucleic Acids
amylopectin
7. Disaccharides are made of _____ __________________ combined together.
Essential amino acids
Monosaccharides
two monosaccharides
metabolism
8. Proteins help form antibodies for _____________.
1680 kJ
starch - glycogen - cellulose
Lipids
Defense
9. The two types of starches are ___________ - and ______________.
Quartenary Protein Structure
Amylose - amylopectin
Macronutrients
cushion - insulates
10. ______ are energy storage compounds.
1680 kJ
Lipids
Transport
lipds
11. All lipids are made of two structural units: ___________ - and _______ ______.
Carbohydrates
peptide bond
Glycerol - fatty acid
energy and molecules
12. ___________ are important for long-term storage of energy.
Tertiary Protein Structure
vitamins and minerals
100 g
Lipids
13. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
metabolism
3870 kJ
Waxes
Starches
14. Triglycerides can be _____________ - or _______________.
Unsaturated Triglycerides
Galactose
saturated - unsaturated
Dehydration synthesis
15. Carbohydrates are structural material for ______ ______.
Fructose
lipds
two monosaccharides
plant cells
16. ____________ creates cholesterol - estrogen and pheromones.
Non-soluble
Denaturation
Sterols
Sucrose
17. ___________ have different properties. Ex - fructose is sweeter.
Lipids
Isomers
Fructose
Lipids
18. Breakdown of more complex substances into simpler ones with release of energy.
Catabolism
Proteins
Secondary Protein Structure
Starches
19. _____________ _____________ _____________- a single chain of sequenced amino acids.
Primary Protein Structure
Amylose - amylopectin
glycogen
Monosaccharides
20. ______________ are acquired from plants. (Photosynthesis -> glucose)
Carbohydrates
Protein structures
sugar - phosphate - nitrogenous
glycogen
21. Monosaccharides are also called ________ __________.
Non-polar
simple sugars
100g
Glucose
22. 100 g of carbs = __________ of energy.
1680 kJ
Sterols
Double layered cell membrane
energy and molecules
23. _____________ contain up to 1000 glucose molecules linked together.
Non-soluble
amino acid - hydrogen - carboxyl group - are-group
Unsaturated Triglycerides
amylose
24. __________ = glucose + glucose.
Carbohydrates
amino acid - hydrogen - carboxyl group - are-group
Maltose
100 g
25. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
phosphate
Glucose - Galactose - Fructose
Quartenary Protein Structure
Carbohydrates
26. __________ = glucose + fructose.
Sucrose
cellulose
Hydrophilic - hydrophobic
plant
27. _______ are non-polar molecules.
Cellulose
Disaccharides
Lipids
Hormones
28. ______ are the structural components of cell membranes.
dehydration synthesis
Glycerol - fatty acid
Lipids
proteins
29. _____________ ________ _____ are the eight amino acids our body cannot make.
Essential amino acids
Polar - non-polar
Carbohydrates
Support
30. 100 g of carbs = __________ of energy.
Fructose
1680 kJ
Carbohydrates
phosphate
31. __________ are the structural components of the cell.
Disaccharides
sugar molecules
Proteins
1680 kJ
32. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.
Twenty - Twelve - Eight.
amylopectin
Denaturation
Lipids
33. Nucleic acids are composed of sugar ____________ - and nitrogenous bases.
Carbohydrates
phosphate
Dehydration synthesis
Isomers
34. Disaccharides are made of _____ __________________ combined together.
starch - glycogen - cellulose
two monosaccharides
100 g
Four
35. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.
vitamins and minerals
Monosaccharides
Triglycerides
Isomers
36. _____________ are plant polysaccharides - stores energy for plants.
Starches
Lipids
Proteins
energy and molecules
37. Nucleic acids are composed of sugar ____________ - and nitrogenous bases.
Waxes
amylopectin
phosphate
glycogen
38. ________ are used to maintain a body temperature.
Monosaccharides
amylose
Non-soluble
Lipids
39. Micronutrients consists of Vitamins and Minerals - and _________ ______.
glycogen
Carbohydrates
nucleic acids
Proteins
40. _____________ are plant polysaccharides - stores energy for plants.
Starches
Sterols
Dehydration synthesis
amino acid - hydrogen - carboxyl group - are-group
41. _______________ are made of glycerol and two fatty acids and a phosphate group.
dehydration synthesis
Monosaccharides
Lipids
Phospholipids
42. Proteins help form antibodies for _____________.
Defense
starch
carbohydrates - proteins - and lipids.
Carbohydrates
43. __________ = galactose + glucose
Dehydration synthesis
Lactose
Phospholipids
Lipids
44. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.
plant
Protein structures
saturated - unsaturated
Enzymes
45. Proteins create ___________ that bring reactants together faster or slower.
glycogen
Enzymes
lipds
1680 kJ
46. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.
Hydrophilic - hydrophobic
Hydrophilic - hydrophobic
amino acid - hydrogen - carboxyl group - are-group
Carbohydrates
47. _____________ look like amylopectin but only have 16-24 glucose on each branch.
carbohydrates
Macronutrients
glycogen
Carbohydrates
48. _______________ consists of carbohydrates - proteins - and lipids.
Macronutrients
Double layered cell membrane
Tertiary Protein Structure
glycogen
49. _____________ contain many branches that make up 24-36 glucose molecules.
plant
amylopectin
Waxes
three
50. _____________ _____________ _____________- the are groups interact to change coil structure.
Cellulose
Primary Protein Structure
Isomers
Tertiary Protein Structure