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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. _____________ _____________ _____________- the are groups interact to change coil structure.
Sucrose
Tertiary Protein Structure
Triglycerides - phospholipids - waxes - sterols
Monosaccharides
2. ____________: more than one sugar molecule.
Polymers
Polar - non-polar
Denaturation
sugar
3. _____________ ________ _____ are the eight amino acids our body cannot make.
lipds
100 g
Essential amino acids
Unsaturated Triglycerides
4. 100 g of carbs = __________ of energy.
Carbohydrates
Lipids
Amylose - amylopectin
1680 kJ
5. The three types of Polysaccharides are starch - _____________ - and cellulose.
glycogen
Lactose
Cellulose
proteins
6. _______________ are fast sources of energy.
Carbohydrates
Fructose
Micronutrients
Sucrose
7. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
Lipids
Carbohydrates
Micronutrients
Non-soluble
8. _____________ contain up to 1000 glucose molecules linked together.
Double layered cell membrane
metabolism
Polar - non-polar
amylose
9. Phospholipds have a _____________ head - and a _______________ tail.
two monosaccharides
sugar
Hydrophilic - hydrophobic
Macronutrients
10. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.
Hormones
3870 kJ
Protein structures
dehydration synthesis
11. The opposite of dehydration synthesis is _____________.
starch - glycogen - cellulose
Carbohydrates
carbohydrates
Hydrolysis
12. Some examples of Monosaccharides are Glucose - Galactose - __________.
Fructose
Dehydration synthesis
vitamins and minerals
Lipids
13. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.
metabolism
Dehydration synthesis
proteins
Coagulation
14. Monosaccharides are also called ________ __________.
sugar molecules
Monosaccharides
simple sugars
Enzymes
15. The bond formed between two amino acids are called a __________ ______.
two monosaccharides
peptide bond
Dehydration synthesis
100 g
16. Disaccharides are made of _____ __________________ combined together.
carbohydrates - proteins - and lipids.
two monosaccharides
Starches
simple sugars
17. Proteins help form antibodies for _____________.
simple sugars
Polysaccharides
Primary Protein Structure
Defense
18. ___________: combining two things together to make something new.
Lactose
Polar - non-polar
synthesis
vitamins and minerals
19. ________ includes all fats and oils.
Proteins
peptide bond
Glucose - Galactose - Fructose
Lipids
20. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.
Twenty - Twelve - Eight.
Disaccharides
Starches
Carbohydrates
21. _____________ _____________ _____________- a single chain of sequenced amino acids.
Primary Protein Structure
Carbohydrates
simple sugars
Nucleic Acids
22. _______________ can have one single sugar molecule or can be polymers.
Carbohydrates
Tertiary Protein Structure
starch - glycogen - cellulose
Disaccharides
23. Macronutrients consists of _______________ - _________ - and _______.
carbohydrates
Glucose - Galactose - Fructose
carbohydrates - proteins - and lipids.
Hormones
24. __________ = glucose + glucose.
cellulose
Maltose
Waxes
Carbohydrates
25. Macronutrients consists of ______________ - proteins - and lipids.
peptide bond
carbohydrates
Triglycerides
saturated - unsaturated
26. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
Lipids
dehydration synthesis
Quartenary Protein Structure
Waxes
27. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources
Denaturation
Disaccharides
Unsaturated Triglycerides
Saturated Triglycerides
28. Starches are _______ polysaccharides - stores energy for _______.
Triglycerides - phospholipids - waxes - sterols
plant
Carbohydrates
Sterols
29. _____________ is when a protein changes shape temporarily.
Carbohydrates
Motion
Denaturation
starch - glycogen - cellulose
30. Proteins __________ ligaments - tendons - and skin.
Primary Protein Structure
Double layered cell membrane
Polymers
Support
31. Macronutrients consists of carbohydrates - proteins - and _______.
Defense
Transport
Unsaturated Triglycerides
lipds
32. ______________ are made of two monosaccharides combined together.
Lipids
Triglycerides - phospholipids - waxes - sterols
Animals
Disaccharides
33. Monosaccharides are also called ________ __________.
carbohydrates
amino acids
simple sugars
nitrogenous
34. The opposite of dehydration synthesis is _____________.
Essential amino acids
Fructose
Quartenary Protein Structure
Hydrolysis
35. Lipids __________ - and ____________ organs.
Fructose
cushion - insulates
Carbohydrates
Animals
36. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
glycogen
Lipids
Waxes
Anabolism
37. Phospholipids have a _______ head - and a _____________ tail.
Hormones
Saturated Triglycerides
Polar - non-polar
Lipids
38. ______ of fat = 3870 kJ of energy.
dehydration synthesis
amino acid - hydrogen - carboxyl group - are-group
Tertiary Protein Structure
100g
39. Proteins create ___________ that bring reactants together faster or slower.
simple sugars
Tertiary Protein Structure
Polymers
Enzymes
40. There are _____ types of protein structure.
four
starch
Transport
Transport
41. Nucleic acids are composed of sugar - phosphate - and _____________ bases.
synthesis
Hydrophilic - hydrophobic
1680 kJ
nitrogenous
42. Lipids are ____ ______________ in cell membranes.
3870 kJ
Protein structures
Key components
Carbohydrates
43. ____________: more than one sugar molecule.
amylose
Polymers
Four
Glucose
44. ______ are the structural components of cell membranes.
three
Lipids
Galactose
100 g
45. Macronutrients consists of _______________ - _________ - and _______.
carbohydrates - proteins - and lipids.
Lipids
two monosaccharides
Cellulose
46. Carbohydrates are structural material for ______ ______.
Coagulation
amino acids
Sterols
plant cells
47. _______________ are made of all sugar molecules.
Carbohydrates
100g
amylopectin
Lipids
48. _____________ contain many branches that make up 24-36 glucose molecules.
Denaturation
plant
Nucleic Acids
amylopectin
49. __________ are needed for fat soluble vitamins.
phosphate
Unsaturated Triglycerides
Lipids
Galactose
50. ______ of carbs = 1680 kJ of energy.
glycogen
100 g
Secondary Protein Structure
Denaturation