SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources
amylose
plant cells
simple sugars
Unsaturated Triglycerides
2. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
Galactose
Animals
Carbohydrates
3870 kJ
3. Proteins are made when many many amino acids combine together through _____________ _____________.
Carbohydrates
dehydration synthesis
Proteins
Quartenary Protein Structure
4. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.
Glucose
Hormones
proteins
vitamins and minerals
5. 100 g of carbs = __________ of energy.
Non-soluble
amylose
1680 kJ
proteins
6. __________ _____ ___________ help in chemical reactions.
vitamins and minerals
Carbohydrates
saturated - unsaturated
Starches
7. _____________ _____________ _____________- a single chain of sequenced amino acids.
Sucrose
Primary Protein Structure
amylopectin
amino acid - hydrogen - carboxyl group - are-group
8. The three types of Polysaccharides are starch - glycogen - and _____________.
cellulose
Disaccharides
Denaturation
Waxes
9. Proteins create _____________ that affect growth and serve as messengers.
Hormones
Motion
Defense
sugar - phosphate - nitrogenous
10. Macronutrients consists of carbohydrates - proteins - and _______.
lipds
1680 kJ
Lipids
Unsaturated Triglycerides
11. All _____________ have different proteins (amino acids)
sugar
sugar - phosphate - nitrogenous
Animals
Fructose
12. ____________ _______ are genetic material that directs cell activity.
two monosaccharides
four
Nucleic Acids
Polysaccharides
13. __________ _____ ___________ help in chemical reactions.
plant cells
Catabolism
Waxes
vitamins and minerals
14. Carbohydrates are structural material for ______ ______.
Nucleic Acids
Lipids
plant cells
Sterols
15. ______ are the structural components of cell membranes.
dehydration
proteins
cushion - insulates
Lipids
16. _____________ are found in plant cell walls.
Cellulose
Non-polar
plant cells
3870 kJ
17. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
Quartenary Protein Structure
nucleic acids
Macronutrients
Key components
18. Proteins are composed of ______ ______.
Lipids
Carbohydrates
Essential amino acids
amino acids
19. _____________ look like amylopectin but only have 16-24 glucose on each branch.
vitamins and minerals
Glycerol - fatty acid
Twenty - Twelve - Eight.
glycogen
20. Lipids are ____ ______________ in cell membranes.
plant cells
dehydration synthesis
Isomers
Key components
21. 100 g of fat = __________ of energy.
Double layered cell membrane
Carbohydrates
Lipids
3870 kJ
22. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
Carbohydrates
dehydration
vitamins and minerals
Waxes
23. __________ are the structural components of the cell.
Proteins
Carbohydrates
Sucrose
two monosaccharides
24. ______________ are made of two monosaccharides combined together.
1680 kJ
Waxes
Disaccharides
Quartenary Protein Structure
25. _______ are non-polar molecules.
sugar molecules
Enzymes
Lipids
Isomers
26. There are ________ types of carbohydrates.
three
Carbohydrates
Lipids
peptide bond
27. Vitamins and Minerals are often found in __________ _________.
glycogen
complex chemicals
carbohydrates - proteins - and lipids.
Essential amino acids
28. Macronutrients consists of ______________ - proteins - and lipids.
Non-soluble
Lipids
nitrogenous
carbohydrates
29. ____________ creates cholesterol - estrogen and pheromones.
Transport
Polysaccharides
Double layered cell membrane
Sterols
30. The chemical reaction for glycerol and fatty acids combining together to form triglyceride is also called _______________ _____________.
energy and molecules
Primary Protein Structure
Non-polar
Dehydration synthesis
31. __________ are needed for fat soluble vitamins.
sugar
Starches
glycogen
Lipids
32. _______________ are fast sources of energy.
Carbohydrates
100 g
proteins
nitrogenous
33. _____________ is when a protein changes shape temporarily.
Denaturation
Triglycerides - phospholipids - waxes - sterols
Galactose
Four
34. ______ are energy storage compounds.
sugar molecules
Isomers
Polysaccharides
Lipids
35. Nucleic acids are composed of sugar - phosphate - and _____________ bases.
carbohydrates - proteins - and lipids.
Non-polar
Maltose
nitrogenous
36. _____________ are plant polysaccharides - stores energy for plants.
Starches
Lipids
Denaturation
synthesis
37. Some examples of Monosaccharides are _________ - Galactose - Fructose.
Hydrolysis
Glucose
amylopectin
Triglycerides
38. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
Isomers
amino acid - hydrogen - carboxyl group - are-group
Proteins
Phospholipids
39. _____________ is when a protein changes shape permanently.
Coagulation
saturated - unsaturated
nitrogenous
Isomers
40. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
Proteins
amylopectin
Micronutrients
Lipids
41. ___________: to lose a water molecule.
dehydration
Lipids
Fructose
Lipids
42. _____________ contain up to 1000 glucose molecules linked together.
Sterols
amylose
Nucleic Acids
Fructose
43. ________ includes all fats and oils.
Lipids
Essential amino acids
complex chemicals
amylose
44. Lipids are _____________ (does not dissolve in water).
Non-soluble
Twenty - Twelve - Eight.
Phospholipids
Starches
45. __________ = glucose + glucose.
Galactose
four
Maltose
plant cells
46. Lipids are used to make _____________.
Cellulose
Double layered cell membrane
Phospholipids
Hormones
47. Some examples of Monosaccharides are _________ - Galactose - Fructose.
Coagulation
1680 kJ
Carbohydrates
Glucose
48. Nucleic acids are composed of sugar ____________ - and nitrogenous bases.
two monosaccharides
phosphate
nucleic acids
metabolism
49. The three types of Polysaccharides are _____________ - _____________ - and _____________.
starch - glycogen - cellulose
saturated - unsaturated
plant cells
Primary Protein Structure
50. _____________ _____________ _____________- coils of amino acids.
Starches
Key components
Secondary Protein Structure
Disaccharides