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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. There are ________ types of carbohydrates.
Triglycerides
three
Hydrophilic - hydrophobic
Hydrolysis
2. Lipids __________ - and ____________ organs.
Fructose
carbohydrates - proteins - and lipids.
Carbohydrates
cushion - insulates
3. Proteins help form antibodies for _____________.
Hydrolysis
starch - glycogen - cellulose
Sterols
Defense
4. ______________ are acquired from plants. (Photosynthesis -> glucose)
nitrogenous
Defense
100 g
Carbohydrates
5. _____________ _____________ _____________- a single chain of sequenced amino acids.
synthesis
Lipids
Twenty - Twelve - Eight.
Primary Protein Structure
6. Phospholipids have a _______ head - and a _____________ tail.
Proteins
Isomers
Denaturation
Polar - non-polar
7. _____________ _____________ _____________- the are groups interact to change coil structure.
Twenty - Twelve - Eight.
Nucleic Acids
carbohydrates - proteins - and lipids.
Tertiary Protein Structure
8. Nucleic acids are composed of _______ - ____________ - and _____________ bases.
Secondary Protein Structure
Lipids
sugar - phosphate - nitrogenous
Macronutrients
9. All lipids are made of two structural units: ___________ - and _______ ______.
glycogen
Glycerol - fatty acid
Proteins
simple sugars
10. Some examples of Monosaccharides are _________ - ___________ - __________.
Isomers
vitamins and minerals
metabolism
Glucose - Galactose - Fructose
11. ____________ creates cholesterol - estrogen and pheromones.
Carbohydrates
Polymers
Galactose
Sterols
12. The three types of Polysaccharides are starch - glycogen - and _____________.
Double layered cell membrane
three
cellulose
glycogen
13. __________ = glucose + glucose.
peptide bond
amino acid - hydrogen - carboxyl group - are-group
Maltose
plant cells
14. Synthesis of more complex substances from simpler ones.
Four
Anabolism
Double layered cell membrane
Monosaccharides
15. The four kinds of lipids are _______________ - _______________ - ________ - and ___________.
amylose
amino acids
Triglycerides - phospholipids - waxes - sterols
vitamins and minerals
16. ______ are energy storage compounds.
Triglycerides - phospholipids - waxes - sterols
Lipids
Proteins
Starches
17. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources
Unsaturated Triglycerides
sugar - phosphate - nitrogenous
dehydration synthesis
Carbohydrates
18. _____________ look like amylopectin but only have 16-24 glucose on each branch.
3870 kJ
Hydrolysis
glycogen
Cellulose
19. ___________ are important for long-term storage of energy.
glycogen
Lipids
carbohydrates
Phospholipids
20. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
Proteins
Sucrose
Glycerol - fatty acid
Phospholipids
21. Micronutrients consists of Vitamins and Minerals - and _________ ______.
nucleic acids
Lipids
Polymers
Non-soluble
22. Nucleic acids are composed of sugar ____________ - and nitrogenous bases.
phosphate
sugar - phosphate - nitrogenous
Triglycerides
Enzymes
23. Triglycerides can be _____________ - or _______________.
vitamins and minerals
Micronutrients
saturated - unsaturated
Micronutrients
24. Nucleic acids are composed of sugar - phosphate - and _____________ bases.
sugar - phosphate - nitrogenous
Carbohydrates
nitrogenous
Lipids
25. ____________: when molecules have the same chemical formula but different structures.
Quartenary Protein Structure
Lipids
amylopectin
Isomers
26. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
saturated - unsaturated
sugar
Glycerol - fatty acid
Starches
27. Lipids __________ - and ____________ organs.
cushion - insulates
amino acid - hydrogen - carboxyl group - are-group
Saturated Triglycerides
1680 kJ
28. _______________ consists of carbohydrates - proteins - and lipids.
Dehydration synthesis
Lipids
Coagulation
Macronutrients
29. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
amino acids
carbohydrates
Micronutrients
Starches
30. Proteins create ___________ that bring reactants together faster or slower.
amylopectin
Proteins
Fructose
Enzymes
31. There are ________ types of carbohydrates.
Protein structures
three
Double layered cell membrane
Waxes
32. __________ = galactose + glucose
Anabolism
Lactose
Glycerol - fatty acid
Fructose
33. ______________ are made of two monosaccharides combined together.
Disaccharides
Isomers
Amylose - amylopectin
peptide bond
34. Macronutrients consists of carbohydrates - proteins - and _______.
Essential amino acids
lipds
Twenty - Twelve - Eight.
dehydration
35. The four kinds of lipids are _______________ - _______________ - ________ - and ___________.
cushion - insulates
dehydration synthesis
Waxes
Triglycerides - phospholipids - waxes - sterols
36. The bond formed between two amino acids are called a __________ ______.
nitrogenous
peptide bond
glycogen
Lipids
37. ____________ _______ are genetic material that directs cell activity.
dehydration
Nucleic Acids
Enzymes
Twenty - Twelve - Eight.
38. Lipids are ____ ______________ in cell membranes.
Key components
glycogen
metabolism
Essential amino acids
39. The opposite of dehydration synthesis is _____________.
Hydrolysis
sugar - phosphate - nitrogenous
simple sugars
Monosaccharides
40. ______________ _______________ : single bonds exist between carbons - they are stable and hard to break down so they will remain in our body longer. animal sources
Sucrose
nitrogenous
starch - glycogen - cellulose
Saturated Triglycerides
41. _______________ are made of all sugar molecules.
Carbohydrates
nucleic acids
nucleic acids
Nucleic Acids
42. ______________ are acquired from plants. (Photosynthesis -> glucose)
Hormones
Unsaturated Triglycerides
Carbohydrates
Hydrolysis
43. _____________ _____________ _____________- the are groups interact to change coil structure.
Polymers
Denaturation
Tertiary Protein Structure
dehydration synthesis
44. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
Quartenary Protein Structure
sugar - phosphate - nitrogenous
Carbohydrates
Amylose - amylopectin
45. Synthesis of more complex substances from simpler ones.
Lipids
dehydration synthesis
Animals
Anabolism
46. _____________ are found in plant cell walls.
Motion
Cellulose
Amylose - amylopectin
3870 kJ
47. All lipids are made of two structural units: ___________ - and _______ ______.
three
Glycerol - fatty acid
100g
Lipids
48. Monosaccharides are also called ________ __________.
glycogen
Quartenary Protein Structure
Denaturation
simple sugars
49. ________ are used to maintain a body temperature.
Glucose - Galactose - Fructose
Lipids
Catabolism
Glycerol - fatty acid
50. Some examples of Monosaccharides are _________ - Galactose - Fructose.
dehydration synthesis
Glucose
amylose
Lipids