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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
Maltose
Cellulose
Proteins
2. Macronutrients consists of _______________ - _________ - and _______.
Glucose - Galactose - Fructose
carbohydrates - proteins - and lipids.
Glycerol - fatty acid
synthesis
3. __________ are needed for fat soluble vitamins.
four
Lipids
Polar - non-polar
glycogen
4. Starches are _______ polysaccharides - stores energy for _______.
plant
plant cells
Four
Polysaccharides
5. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.
Non-soluble
Disaccharides
Carbohydrates
metabolism
6. Nucleic acids are composed of sugar ____________ - and nitrogenous bases.
Galactose
Carbohydrates
amino acid - hydrogen - carboxyl group - are-group
phosphate
7. ___________: combining two things together to make something new.
Lipids
Triglycerides
Isomers
synthesis
8. _____________ _____________ _____________- a single chain of sequenced amino acids.
Primary Protein Structure
Carbohydrates
vitamins and minerals
Polysaccharides
9. ______________ _______________ : single bonds exist between carbons - they are stable and hard to break down so they will remain in our body longer. animal sources
Lipids
Saturated Triglycerides
starch
amylopectin
10. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources
simple sugars
glycogen
Unsaturated Triglycerides
Support
11. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
Micronutrients
Hormones
glycogen
dehydration synthesis
12. Triglycerides can be _____________ - or _______________.
peptide bond
Carbohydrates
Glucose
saturated - unsaturated
13. _____________ is where animals store carbohydrates.
peptide bond
Starches
Key components
glycogen
14. Proteins create ___________ that bring reactants together faster or slower.
Enzymes
Sterols
Sterols
saturated - unsaturated
15. Carbohydrates are made of all ________ ____________.
sugar molecules
cushion - insulates
Lactose
nitrogenous
16. The chemical reaction for glycerol and fatty acids combining together to form triglyceride is also called _______________ _____________.
Carbohydrates
Sterols
Isomers
Dehydration synthesis
17. __________________ are formed by MANY monosaccharides linked together.
Double layered cell membrane
Polysaccharides
Lipids
amylopectin
18. Nucleic acids are composed of sugar ____________ - and nitrogenous bases.
Cellulose
Lipids
phosphate
Sucrose
19. Proteins help form antibodies for _____________.
Defense
dehydration synthesis
energy and molecules
Lipids
20. _____________ look like amylopectin but only have 16-24 glucose on each branch.
Hormones
sugar molecules
glycogen
lipds
21. _______________ are made of glycerol and two fatty acids and a phosphate group.
Phospholipids
carbohydrates
Maltose
Dehydration synthesis
22. The bond formed between two amino acids are called a __________ ______.
Lipids
peptide bond
dehydration synthesis
Motion
23. _______________ are made of all sugar molecules.
Lipids
amylose
Carbohydrates
Isomers
24. The three types of Polysaccharides are starch - _____________ - and cellulose.
Monosaccharides
proteins
amino acid - hydrogen - carboxyl group - are-group
glycogen
25. ______ are the structural components of cell membranes.
Micronutrients
Lipids
1680 kJ
glycogen
26. There are ________ types of carbohydrates.
Hydrolysis
three
Lipids
Isomers
27. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
Anabolism
Non-soluble
Waxes
amylopectin
28. All _____________ have different proteins (amino acids)
Nucleic Acids
Animals
Dehydration synthesis
sugar
29. ___________: to lose a water molecule.
dehydration
nitrogenous
two monosaccharides
Glycerol - fatty acid
30. Proteins are made when many many amino acids combine together through _____________ _____________.
3870 kJ
Enzymes
dehydration synthesis
peptide bond
31. Some examples of Monosaccharides are _________ - ___________ - __________.
Glucose - Galactose - Fructose
Transport
Support
Hydrophilic - hydrophobic
32. _____________ is when a protein changes shape temporarily.
Polysaccharides
Lipids
Monosaccharides
Denaturation
33. ___________ have different properties. Ex - fructose is sweeter.
plant
Defense
sugar molecules
Isomers
34. _______________ are made of all sugar molecules.
Carbohydrates
Animals
Macronutrients
Monosaccharides
35. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources
Sucrose
Unsaturated Triglycerides
Phospholipids
Proteins
36. Lipids are _____________ (does not dissolve in water).
Polar - non-polar
energy and molecules
Non-soluble
Hormones
37. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
Galactose
Double layered cell membrane
Non-polar
Monosaccharides
38. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
Four
dehydration synthesis
Amylose - amylopectin
Waxes
39. Micronutrients consists of Vitamins and Minerals - and _________ ______.
nucleic acids
Lipids
amylopectin
metabolism
40. ______________ _______________ : single bonds exist between carbons - they are stable and hard to break down so they will remain in our body longer. animal sources
Glucose - Galactose - Fructose
Waxes
Lipids
Saturated Triglycerides
41. The two types of starches are ___________ - and ______________.
Isomers
Amylose - amylopectin
Hydrolysis
dehydration synthesis
42. ________________ usually have a molecular formula ratio of C:H:O in 1:2:1.
Polysaccharides
metabolism
plant cells
Monosaccharides
43. Proteins create ___________ that bring reactants together faster or slower.
Enzymes
peptide bond
Glucose
three
44. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
Quartenary Protein Structure
Galactose
amylopectin
plant cells
45. There are ________ types of carbohydrates.
Defense
lipds
three
Four
46. The opposite of dehydration synthesis is _____________.
Cellulose
amino acid - hydrogen - carboxyl group - are-group
Hydrolysis
Animals
47. Every living thing requires a constant supply of __________ ___ ____________.
Enzymes
energy and molecules
Galactose
dehydration synthesis
48. Proteins create _____________ that affect growth and serve as messengers.
Hormones
nucleic acids
dehydration synthesis
Disaccharides
49. ___________ are important for long-term storage of energy.
four
amino acid - hydrogen - carboxyl group - are-group
saturated - unsaturated
Lipids
50. ________ are used to maintain a body temperature.
dehydration synthesis
Lipids
Waxes
Hormones