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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. Nucleic acids are composed of sugar - phosphate - and _____________ bases.
Cellulose
sugar molecules
nitrogenous
cellulose
2. _______________ are fast sources of energy.
Denaturation
Isomers
starch
Carbohydrates
3. ______________ are made of two monosaccharides combined together.
Disaccharides
100 g
Secondary Protein Structure
Proteins
4. __________________ are formed by MANY monosaccharides linked together.
sugar - phosphate - nitrogenous
Glucose - Galactose - Fructose
Polysaccharides
Carbohydrates
5. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
sugar
Lipids
Polymers
Triglycerides
6. _______________ is the primary energy source for cells.
Lipids
Non-polar
Carbohydrates
Lipids
7. ___________ have different properties. Ex - fructose is sweeter.
Lactose
Non-soluble
Protein structures
Isomers
8. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.
Monosaccharides
Double layered cell membrane
Hormones
vitamins and minerals
9. ______ of fat = 3870 kJ of energy.
100g
carbohydrates
Twenty - Twelve - Eight.
glycogen
10. ______________ are acquired from plants. (Photosynthesis -> glucose)
Isomers
Non-soluble
Sucrose
Carbohydrates
11. _____________ _____________ _____________- a single chain of sequenced amino acids.
Primary Protein Structure
vitamins and minerals
glycogen
Non-soluble
12. The chemical reaction for glycerol and fatty acids combining together to form triglyceride is also called _______________ _____________.
phosphate
Dehydration synthesis
amylopectin
two monosaccharides
13. Phospholipds have a _____________ head - and a _______________ tail.
nucleic acids
Non-soluble
Hydrophilic - hydrophobic
Micronutrients
14. The four kinds of lipids are _______________ - _______________ - ________ - and ___________.
Triglycerides - phospholipids - waxes - sterols
Sucrose
Lipids
Polysaccharides
15. Triglycerides can be _____________ - or _______________.
Anabolism
Cellulose
nitrogenous
saturated - unsaturated
16. ________ are used to maintain a body temperature.
Lipids
sugar
simple sugars
amino acids
17. ______________ _______________ : single bonds exist between carbons - they are stable and hard to break down so they will remain in our body longer. animal sources
Saturated Triglycerides
amino acid - hydrogen - carboxyl group - are-group
Dehydration synthesis
Hydrolysis
18. _____________ contain many branches that make up 24-36 glucose molecules.
Unsaturated Triglycerides
Twenty - Twelve - Eight.
amylopectin
metabolism
19. Carbohydrates are made of all ________ ____________.
phosphate
simple sugars
Lipids
sugar molecules
20. The three types of Polysaccharides are starch - _____________ - and cellulose.
vitamins and minerals
glycogen
carbohydrates - proteins - and lipids.
3870 kJ
21. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.
Maltose
Support
simple sugars
amino acid - hydrogen - carboxyl group - are-group
22. __________ _____ ___________ help in chemical reactions.
vitamins and minerals
amino acids
Isomers
Polar - non-polar
23. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.
1680 kJ
Lipids
Sterols
amino acid - hydrogen - carboxyl group - are-group
24. There are ________ types of carbohydrates.
three
Proteins
Tertiary Protein Structure
Lipids
25. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
two monosaccharides
Micronutrients
Waxes
Quartenary Protein Structure
26. _____________ are plant polysaccharides - stores energy for plants.
Starches
Glucose - Galactose - Fructose
Key components
Denaturation
27. ____________ _______ are genetic material that directs cell activity.
Nucleic Acids
Carbohydrates
Fructose
Coagulation
28. Macronutrients consists of _______________ - _________ - and _______.
Nucleic Acids
Polymers
carbohydrates - proteins - and lipids.
plant
29. _____________ _____________ _____________- the are groups interact to change coil structure.
Tertiary Protein Structure
saturated - unsaturated
Glycerol - fatty acid
dehydration
30. ____________: when molecules have the same chemical formula but different structures.
Lipids
Isomers
Non-polar
plant
31. Starches are _______ polysaccharides - stores energy for _______.
plant
cellulose
Hydrophilic - hydrophobic
Saturated Triglycerides
32. __________ are needed for fat soluble vitamins.
Non-polar
Lipids
Carbohydrates
Anabolism
33. _______________ are made of all sugar molecules.
Carbohydrates
amylopectin
Micronutrients
Tertiary Protein Structure
34. Triglycerides can be _____________ - or _______________.
1680 kJ
peptide bond
Amylose - amylopectin
saturated - unsaturated
35. Proteins __________ ligaments - tendons - and skin.
Support
Protein structures
two monosaccharides
Waxes
36. __________ are needed for fat soluble vitamins.
Protein structures
Essential amino acids
plant cells
Lipids
37. _____________ contain up to 1000 glucose molecules linked together.
amylose
3870 kJ
metabolism
Tertiary Protein Structure
38. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
Anabolism
Proteins
Isomers
Lipids
39. The three types of Polysaccharides are _____________ - _____________ - and _____________.
metabolism
Tertiary Protein Structure
starch - glycogen - cellulose
Coagulation
40. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.
Glucose
Hydrophilic - hydrophobic
Proteins
Protein structures
41. Phospholipds have a _____________ head - and a _______________ tail.
dehydration synthesis
Carbohydrates
plant
Hydrophilic - hydrophobic
42. Lipids are _____________ (does not dissolve in water).
Non-soluble
lipds
amino acid - hydrogen - carboxyl group - are-group
synthesis
43. __________________ are formed by MANY monosaccharides linked together.
Polysaccharides
Carbohydrates
Lipids
Hydrolysis
44. _____________ contain many branches that make up 24-36 glucose molecules.
Coagulation
Support
amylopectin
Phospholipids
45. Phospholipids have a _______ head - and a _____________ tail.
Polar - non-polar
Triglycerides
Catabolism
starch - glycogen - cellulose
46. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
Fructose
Carbohydrates
100g
sugar - phosphate - nitrogenous
47. __________ are the structural components of the cell.
3870 kJ
Proteins
Lactose
Polysaccharides
48. Macronutrients consists of ______________ - proteins - and lipids.
Maltose
Hormones
Protein structures
carbohydrates
49. There are ______ kinds of lipids.
Lipids
Hormones
Four
3870 kJ
50. __________ _____ ___________ help in chemical reactions.
Proteins
vitamins and minerals
Essential amino acids
Carbohydrates