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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.
Tertiary Protein Structure
phosphate
synthesis
sugar molecules
2. Disaccharides are made of _____ __________________ combined together.
nucleic acids
two monosaccharides
Cellulose
Double layered cell membrane
3. _____________ _____________ _____________- a single chain of sequenced amino acids.
Twenty - Twelve - Eight.
nucleic acids
Primary Protein Structure
plant cells
4. __________ are the structural components of the cell.
Proteins
starch - glycogen - cellulose
Lipids
Polar - non-polar
5. __________ = galactose + glucose
metabolism
Lactose
Macronutrients
two monosaccharides
6. ________ includes all fats and oils.
nitrogenous
Lipids
Carbohydrates
sugar - phosphate - nitrogenous
7. The three types of Polysaccharides are _____________ - glycogen - and cellulose.
Animals
starch
three
Lipids
8. Lipids __________ - and ____________ organs.
peptide bond
cushion - insulates
metabolism
Isomers
9. __________ are the structural components of the cell.
starch
Proteins
Transport
Non-polar
10. _______ are non-polar molecules.
Lipids
starch - glycogen - cellulose
Carbohydrates
Enzymes
11. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
Motion
Carbohydrates
Coagulation
Proteins
12. Proteins help form antibodies for _____________.
glycogen
Defense
dehydration
Isomers
13. ________ includes all fats and oils.
Disaccharides
amino acids
Motion
Lipids
14. Lipids are used to make _____________.
plant cells
Hormones
Animals
Phospholipids
15. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.
Carbohydrates
sugar
amino acid - hydrogen - carboxyl group - are-group
Lipids
16. 100 g of fat = __________ of energy.
phosphate
phosphate
3870 kJ
glycogen
17. ____________: when molecules have the same chemical formula but different structures.
Monosaccharides
vitamins and minerals
Isomers
four
18. Starches are _______ polysaccharides - stores energy for _______.
plant cells
Sucrose
Non-soluble
plant
19. _____________ store energy in the form of fat.
Monosaccharides
lipds
Twenty - Twelve - Eight.
Lipids
20. Nucleic acids are composed of sugar - phosphate - and _____________ bases.
nitrogenous
Maltose
Carbohydrates
peptide bond
21. The three types of Polysaccharides are _____________ - glycogen - and cellulose.
amino acids
energy and molecules
starch
nitrogenous
22. _____________ store energy in the form of fat.
Lipids
Maltose
Glycerol - fatty acid
Polymers
23. ______________ are made of two monosaccharides combined together.
Fructose
Carbohydrates
Disaccharides
amylose
24. Nucleic acids are composed of sugar - phosphate - and _____________ bases.
glycogen
nitrogenous
Four
Polar - non-polar
25. The bond formed between two amino acids are called a __________ ______.
Amylose - amylopectin
Lipids
peptide bond
Four
26. Disaccharides are made of _____ __________________ combined together.
peptide bond
Monosaccharides
Animals
two monosaccharides
27. Lipids are ____ ______________ in cell membranes.
Secondary Protein Structure
Key components
Monosaccharides
plant cells
28. ____________: more than one sugar molecule.
Twenty - Twelve - Eight.
Polymers
amylopectin
Phospholipids
29. _____________ are made of one glycerol and three fatty acid chains.
Triglycerides
Carbohydrates
four
glycogen
30. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
Galactose
Lactose
Unsaturated Triglycerides
Coagulation
31. _____________ _____________ _____________- a single chain of sequenced amino acids.
proteins
phosphate
Primary Protein Structure
Maltose
32. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.
plant cells
carbohydrates - proteins - and lipids.
100g
vitamins and minerals
33. Nucleic acids are composed of sugar ____________ - and nitrogenous bases.
phosphate
Support
Hormones
Primary Protein Structure
34. __________ _____ ___________ help in chemical reactions.
vitamins and minerals
amino acids
Hormones
Hydrolysis
35. _____________ look like amylopectin but only have 16-24 glucose on each branch.
Secondary Protein Structure
Secondary Protein Structure
3870 kJ
glycogen
36. All _____________ have different proteins (amino acids)
Carbohydrates
Triglycerides
dehydration
Animals
37. The three types of Polysaccharides are starch - glycogen - and _____________.
Proteins
Polysaccharides
Glycerol - fatty acid
cellulose
38. _____________ is when a protein changes shape temporarily.
lipds
Starches
Proteins
Denaturation
39. ______ of carbs = 1680 kJ of energy.
100 g
Micronutrients
Carbohydrates
saturated - unsaturated
40. __________ = galactose + glucose
amylopectin
glycogen
Quartenary Protein Structure
Lactose
41. Carbohydrates are structural material for ______ ______.
Lipids
Proteins
four
plant cells
42. __________ = glucose + fructose.
Sucrose
Waxes
Secondary Protein Structure
four
43. _____________ is when a protein changes shape permanently.
Carbohydrates
Coagulation
Waxes
four
44. Synthesis of more complex substances from simpler ones.
Polymers
Isomers
cushion - insulates
Anabolism
45. The two types of starches are ___________ - and ______________.
Amylose - amylopectin
saturated - unsaturated
Disaccharides
glycogen
46. Proteins create ___________ that bring reactants together faster or slower.
Enzymes
glycogen
sugar - phosphate - nitrogenous
Cellulose
47. Triglycerides can be _____________ - or _______________.
saturated - unsaturated
Triglycerides - phospholipids - waxes - sterols
glycogen
100g
48. Synthesis of more complex substances from simpler ones.
nucleic acids
Anabolism
four
Primary Protein Structure
49. _______________ can have one single sugar molecule or can be polymers.
Isomers
Lipids
Carbohydrates
Sterols
50. _______________ consists of carbohydrates - proteins - and lipids.
complex chemicals
simple sugars
sugar - phosphate - nitrogenous
Macronutrients