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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. _______________ consists of carbohydrates - proteins - and lipids.
Starches
Macronutrients
nitrogenous
Proteins
2. When two monosaccharides combine together - the chemical reaction is call _____________ _____________.
Denaturation
Twenty - Twelve - Eight.
Waxes
dehydration synthesis
3. ________ are used to maintain a body temperature.
Amylose - amylopectin
Lipids
Micronutrients
complex chemicals
4. Breakdown of more complex substances into simpler ones with release of energy.
Catabolism
sugar molecules
glycogen
Secondary Protein Structure
5. Some examples of Monosaccharides are _________ - ___________ - __________.
Triglycerides
Polymers
dehydration synthesis
Glucose - Galactose - Fructose
6. __________________ are formed by MANY monosaccharides linked together.
Macronutrients
Non-polar
Fructose
Polysaccharides
7. Starches are _______ polysaccharides - stores energy for _______.
Tertiary Protein Structure
Saturated Triglycerides
plant
Galactose
8. Some examples of Monosaccharides are _________ - Galactose - Fructose.
Amylose - amylopectin
Lipids
Glycerol - fatty acid
Glucose
9. _____________ _____________ _____________- the are groups interact to change coil structure.
glycogen
Micronutrients
Nucleic Acids
Tertiary Protein Structure
10. The bond formed between two amino acids are called a __________ ______.
Monosaccharides
peptide bond
Defense
Monosaccharides
11. _____________ is when a protein changes shape temporarily.
energy and molecules
Key components
Denaturation
Monosaccharides
12. Vitamins and Minerals are often found in __________ _________.
Lipids
complex chemicals
Glucose - Galactose - Fructose
two monosaccharides
13. Every living thing requires a constant supply of __________ ___ ____________.
Waxes
energy and molecules
Monosaccharides
plant cells
14. The chemical reaction for glycerol and fatty acids combining together to form triglyceride is also called _______________ _____________.
Carbohydrates
amino acids
Dehydration synthesis
Lipids
15. _____________ contain many branches that make up 24-36 glucose molecules.
1680 kJ
Carbohydrates
Essential amino acids
amylopectin
16. The opposite of dehydration synthesis is _____________.
cellulose
saturated - unsaturated
Polar - non-polar
Hydrolysis
17. Some examples of Monosaccharides are _________ - Galactose - Fructose.
dehydration
Triglycerides - phospholipids - waxes - sterols
amylopectin
Glucose
18. _______________ are made of glycerol and two fatty acids and a phosphate group.
Phospholipids
sugar molecules
Quartenary Protein Structure
Lipids
19. Lipids __________ - and ____________ organs.
amylopectin
cushion - insulates
carbohydrates - proteins - and lipids.
Dehydration synthesis
20. Macronutrients consists of carbohydrates - proteins - and _______.
Coagulation
Cellulose
dehydration synthesis
lipds
21. __________ = glucose + glucose.
starch
Animals
Maltose
100 g
22. _____________ are made of one glycerol and three fatty acid chains.
Primary Protein Structure
Triglycerides
Hormones
sugar
23. Macronutrients consists of _______________ - _________ - and _______.
carbohydrates - proteins - and lipids.
Polysaccharides
nitrogenous
Polar - non-polar
24. The two types of starches are ___________ - and ______________.
glycogen
Nucleic Acids
Amylose - amylopectin
Lipids
25. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
plant cells
sugar
Lipids
Non-soluble
26. _____________ store energy in the form of fat.
Lipids
Four
Fructose
Sucrose
27. Carbohydrates are made of all ________ ____________.
100 g
sugar
simple sugars
sugar molecules
28. Lipids are ____ ______________ in cell membranes.
Key components
two monosaccharides
Polysaccharides
carbohydrates
29. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.
Protein structures
Animals
plant cells
amino acids
30. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.
Lipids
Starches
amino acid - hydrogen - carboxyl group - are-group
100 g
31. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.
metabolism
Hydrophilic - hydrophobic
Catabolism
peptide bond
32. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
nucleic acids
Monosaccharides
Primary Protein Structure
Galactose
33. Proteins create ___________ that bring reactants together faster or slower.
Enzymes
carbohydrates - proteins - and lipids.
Carbohydrates
Carbohydrates
34. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
dehydration synthesis
Dehydration synthesis
Galactose
Monosaccharides
35. Carbohydrates are structural material for ______ ______.
sugar molecules
plant cells
100 g
complex chemicals
36. The three types of Polysaccharides are starch - glycogen - and _____________.
Anabolism
Lactose
cellulose
Sucrose
37. _____________ are plant polysaccharides - stores energy for plants.
Dehydration synthesis
Starches
Carbohydrates
glycogen
38. Monosaccharides are also called ________ __________.
two monosaccharides
Twenty - Twelve - Eight.
synthesis
simple sugars
39. _______________ are fast sources of energy.
glycogen
complex chemicals
Carbohydrates
three
40. _____________ ________ _____ are the eight amino acids our body cannot make.
Essential amino acids
Support
Lipids
amino acids
41. __________ = galactose + glucose
Macronutrients
Carbohydrates
metabolism
Lactose
42. _______________ can have one single sugar molecule or can be polymers.
cellulose
Carbohydrates
Polar - non-polar
Macronutrients
43. _____________ is when a protein changes shape temporarily.
Denaturation
Proteins
plant cells
Lipids
44. Nucleic acids are composed of _______ - ____________ - and _____________ bases.
synthesis
Proteins
sugar - phosphate - nitrogenous
synthesis
45. __________ _____ ___________ help in chemical reactions.
glycogen
Tertiary Protein Structure
Monosaccharides
vitamins and minerals
46. _______________ is the primary energy source for cells.
Disaccharides
Carbohydrates
sugar molecules
100g
47. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.
three
carbohydrates - proteins - and lipids.
metabolism
Key components
48. Triglycerides can be _____________ - or _______________.
Hydrolysis
Motion
Lactose
saturated - unsaturated
49. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources
Dehydration synthesis
Cellulose
Unsaturated Triglycerides
dehydration
50. Monosaccharides are also called ________ __________.
simple sugars
Quartenary Protein Structure
Tertiary Protein Structure
Defense