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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. Every living thing requires a constant supply of __________ ___ ____________.
glycogen
energy and molecules
Starches
Dehydration synthesis
2. Nucleic acids are composed of sugar - phosphate - and _____________ bases.
100g
nitrogenous
Galactose
Isomers
3. The three types of Polysaccharides are _____________ - _____________ - and _____________.
plant
starch - glycogen - cellulose
phosphate
peptide bond
4. The three types of Polysaccharides are _____________ - glycogen - and cellulose.
amino acids
starch
Lipids
Maltose
5. There are ________ types of carbohydrates.
vitamins and minerals
three
Denaturation
Animals
6. _______________ can have one single sugar molecule or can be polymers.
Carbohydrates
Enzymes
Lipids
Polymers
7. The three types of Polysaccharides are starch - _____________ - and cellulose.
glycogen
Isomers
Polar - non-polar
Tertiary Protein Structure
8. __________ = glucose + glucose.
Hormones
Maltose
Isomers
1680 kJ
9. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.
nucleic acids
Lipids
vitamins and minerals
Phospholipids
10. The three types of Polysaccharides are _____________ - glycogen - and cellulose.
Enzymes
starch
metabolism
Sterols
11. ________________ usually have a molecular formula ratio of C:H:O in 1:2:1.
Monosaccharides
cushion - insulates
Hydrolysis
Macronutrients
12. The two types of starches are ___________ - and ______________.
glycogen
Amylose - amylopectin
Carbohydrates
two monosaccharides
13. 100 g of carbs = __________ of energy.
plant
starch - glycogen - cellulose
Dehydration synthesis
1680 kJ
14. Some examples of Monosaccharides are _________ - ___________ - __________.
Animals
Lipids
Glucose - Galactose - Fructose
amylopectin
15. Micronutrients consists of Vitamins and Minerals - and _________ ______.
Cellulose
Glycerol - fatty acid
nucleic acids
Glucose
16. All _____________ have different proteins (amino acids)
Animals
Hydrophilic - hydrophobic
sugar
vitamins and minerals
17. Nucleic acids are composed of sugar ____________ - and nitrogenous bases.
peptide bond
Defense
phosphate
amino acids
18. __________ are needed for fat soluble vitamins.
Lipids
amylopectin
Polar - non-polar
complex chemicals
19. There are _____ types of protein structure.
four
nitrogenous
energy and molecules
plant cells
20. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
Protein structures
Hydrolysis
sugar
starch - glycogen - cellulose
21. All lipids are made of two structural units: ___________ - and _______ ______.
Triglycerides - phospholipids - waxes - sterols
Hormones
Glycerol - fatty acid
sugar - phosphate - nitrogenous
22. All lipids are made of two structural units: ___________ - and _______ ______.
Glycerol - fatty acid
Starches
Proteins
Proteins
23. The three types of Polysaccharides are starch - glycogen - and _____________.
Tertiary Protein Structure
cellulose
sugar - phosphate - nitrogenous
Enzymes
24. ________ are used to maintain a body temperature.
Denaturation
Protein structures
starch
Lipids
25. Carbohydrates are structural material for ______ ______.
Quartenary Protein Structure
three
plant cells
Double layered cell membrane
26. _______________ are made of glycerol and two fatty acids and a phosphate group.
dehydration synthesis
Phospholipids
Glycerol - fatty acid
starch
27. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.
Hydrolysis
Glycerol - fatty acid
Essential amino acids
metabolism
28. _____________ are plant polysaccharides - stores energy for plants.
Lipids
Polysaccharides
Starches
Hormones
29. _____________ molecules are not negatively or positively charged.
Cellulose
Non-polar
vitamins and minerals
dehydration synthesis
30. ______________ are made of two monosaccharides combined together.
Tertiary Protein Structure
Disaccharides
Motion
Tertiary Protein Structure
31. __________ _____ ___________ help in chemical reactions.
vitamins and minerals
Primary Protein Structure
Lipids
Carbohydrates
32. The three types of Polysaccharides are starch - glycogen - and _____________.
amylopectin
two monosaccharides
saturated - unsaturated
cellulose
33. _______________ is the primary energy source for cells.
Carbohydrates
dehydration synthesis
metabolism
Phospholipids
34. There are ______ kinds of lipids.
Triglycerides
Enzymes
Four
Essential amino acids
35. _____________ molecules are not negatively or positively charged.
Non-soluble
Non-polar
Lipids
Triglycerides
36. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
Triglycerides
amylose
Lipids
sugar
37. _____________ _____________ _____________- a single chain of sequenced amino acids.
sugar
Primary Protein Structure
Animals
glycogen
38. ______ are the structural components of cell membranes.
Hydrolysis
Lipids
amino acids
Triglycerides
39. Some examples of Monosaccharides are _________ - Galactose - Fructose.
Polar - non-polar
Glucose
Hormones
Hormones
40. __________ are the structural components of the cell.
two monosaccharides
Support
dehydration synthesis
Proteins
41. Phospholipids have a _______ head - and a _____________ tail.
Polar - non-polar
sugar
vitamins and minerals
Saturated Triglycerides
42. Macronutrients consists of ______________ - proteins - and lipids.
carbohydrates
Glucose
plant cells
sugar molecules
43. Lipids __________ - and ____________ organs.
Carbohydrates
cushion - insulates
simple sugars
Micronutrients
44. Proteins help form antibodies for _____________.
energy and molecules
two monosaccharides
simple sugars
Defense
45. Some examples of Monosaccharides are Glucose - Galactose - __________.
Galactose
Motion
Fructose
carbohydrates
46. Monosaccharides are also called ________ __________.
simple sugars
Lipids
Carbohydrates
Carbohydrates
47. __________ = galactose + glucose
plant cells
Lactose
amylopectin
Monosaccharides
48. _____________ _____________ _____________- a single chain of sequenced amino acids.
Hormones
Catabolism
Hydrophilic - hydrophobic
Primary Protein Structure
49. Macronutrients consists of ______________ - proteins - and lipids.
carbohydrates
peptide bond
Transport
cellulose
50. Nucleic acids are composed of _______ - ____________ - and _____________ bases.
Polymers
sugar - phosphate - nitrogenous
Primary Protein Structure
complex chemicals