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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. _______________ are made of glycerol and two fatty acids and a phosphate group.
Phospholipids
Monosaccharides
Lipids
Proteins
2. Macronutrients consists of ______________ - proteins - and lipids.
Support
Double layered cell membrane
Four
carbohydrates
3. ________ are used to maintain a body temperature.
Lipids
glycogen
Amylose - amylopectin
sugar
4. 100 g of fat = __________ of energy.
3870 kJ
nucleic acids
Transport
complex chemicals
5. The opposite of dehydration synthesis is _____________.
Hydrolysis
amylopectin
1680 kJ
Unsaturated Triglycerides
6. ___________: to lose a water molecule.
dehydration
carbohydrates - proteins - and lipids.
Lipids
Tertiary Protein Structure
7. _____________ contain many branches that make up 24-36 glucose molecules.
Secondary Protein Structure
Enzymes
amylopectin
Enzymes
8. Phospholipids forms a _________ _____________ _____________ _____________ that is essential for structure and function.
cellulose
Carbohydrates
cellulose
Double layered cell membrane
9. _______________ can have one single sugar molecule or can be polymers.
Essential amino acids
Cellulose
Carbohydrates
dehydration synthesis
10. _____________ is when a protein changes shape permanently.
plant
Triglycerides - phospholipids - waxes - sterols
Coagulation
Carbohydrates
11. Carbohydrates are structural material for ______ ______.
two monosaccharides
plant cells
Amylose - amylopectin
Coagulation
12. Some examples of Monosaccharides are _________ - ___________ - __________.
Micronutrients
Dehydration synthesis
Glucose - Galactose - Fructose
3870 kJ
13. Disaccharides are made of _____ __________________ combined together.
Lipids
Lipids
two monosaccharides
Key components
14. Vitamins and Minerals are often found in __________ _________.
plant
complex chemicals
cushion - insulates
Lipids
15. ____________ _______ are genetic material that directs cell activity.
Nucleic Acids
three
Twenty - Twelve - Eight.
Tertiary Protein Structure
16. ___________ have different properties. Ex - fructose is sweeter.
Carbohydrates
Isomers
Lipids
sugar - phosphate - nitrogenous
17. Vitamins and Minerals are often found in __________ _________.
Hydrolysis
synthesis
synthesis
complex chemicals
18. Macronutrients consists of carbohydrates - proteins - and _______.
lipds
amino acids
Tertiary Protein Structure
Isomers
19. _____________ are made of one glycerol and three fatty acid chains.
Triglycerides
peptide bond
cushion - insulates
lipds
20. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.
Lipids
Protein structures
Denaturation
amino acid - hydrogen - carboxyl group - are-group
21. ________ includes all fats and oils.
Lipids
Glycerol - fatty acid
Sterols
dehydration synthesis
22. Lipids are used to make _____________.
nitrogenous
Hormones
amylopectin
Tertiary Protein Structure
23. ______ are energy storage compounds.
dehydration
Lipids
1680 kJ
sugar
24. 100 g of carbs = __________ of energy.
energy and molecules
1680 kJ
Carbohydrates
Macronutrients
25. Starches are _______ polysaccharides - stores energy for _______.
Lipids
plant cells
Isomers
plant
26. ______ of carbs = 1680 kJ of energy.
Lipids
nitrogenous
100 g
Non-soluble
27. _____________ _____________ _____________- coils of amino acids.
Micronutrients
Polymers
Secondary Protein Structure
Maltose
28. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.
lipds
Galactose
amino acid - hydrogen - carboxyl group - are-group
Proteins
29. Macronutrients consists of _______________ - _________ - and _______.
plant
nucleic acids
carbohydrates - proteins - and lipids.
Sucrose
30. ______________ are acquired from plants. (Photosynthesis -> glucose)
starch - glycogen - cellulose
Lipids
Carbohydrates
Sucrose
31. Proteins are made when many many amino acids combine together through _____________ _____________.
Unsaturated Triglycerides
Coagulation
dehydration synthesis
synthesis
32. ______ are energy storage compounds.
Lipids
Carbohydrates
Defense
four
33. Nucleic acids are composed of _______ - ____________ - and _____________ bases.
Primary Protein Structure
Micronutrients
sugar - phosphate - nitrogenous
Primary Protein Structure
34. Macronutrients consists of _______________ - _________ - and _______.
carbohydrates - proteins - and lipids.
Key components
Macronutrients
Polymers
35. Triglycerides can be _____________ - or _______________.
saturated - unsaturated
Monosaccharides
Secondary Protein Structure
Galactose
36. Monosaccharides are also called ________ __________.
Lipids
simple sugars
Sucrose
Triglycerides
37. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
Carbohydrates
two monosaccharides
100 g
Micronutrients
38. _____________ look like amylopectin but only have 16-24 glucose on each branch.
saturated - unsaturated
glycogen
vitamins and minerals
Primary Protein Structure
39. Phospholipds have a _____________ head - and a _______________ tail.
Dehydration synthesis
Hydrophilic - hydrophobic
Monosaccharides
nitrogenous
40. The three types of Polysaccharides are _____________ - _____________ - and _____________.
starch - glycogen - cellulose
Sterols
nucleic acids
amylopectin
41. 100 g of fat = __________ of energy.
two monosaccharides
Carbohydrates
plant cells
3870 kJ
42. ______________ are acquired from plants. (Photosynthesis -> glucose)
nitrogenous
Anabolism
Carbohydrates
Galactose
43. _____________ contain many branches that make up 24-36 glucose molecules.
sugar
amylopectin
Phospholipids
synthesis
44. _______________ is the primary energy source for cells.
Double layered cell membrane
synthesis
Carbohydrates
Lipids
45. Proteins create ___________ that bring reactants together faster or slower.
metabolism
Enzymes
starch
starch
46. Proteins help keep our cells and muscles in _________.
Motion
Phospholipids
dehydration
Hormones
47. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
Primary Protein Structure
nitrogenous
Carbohydrates
Lipids
48. The four kinds of lipids are _______________ - _______________ - ________ - and ___________.
Lipids
Cellulose
Triglycerides - phospholipids - waxes - sterols
Glucose
49. Macronutrients consists of carbohydrates - proteins - and _______.
Twenty - Twelve - Eight.
glycogen
Animals
lipds
50. There are _____ types of protein structure.
four
Hormones
plant cells
glycogen