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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. _____________ is when a protein changes shape temporarily.
cushion - insulates
Lipids
Twenty - Twelve - Eight.
Denaturation
2. _____________ are found in plant cell walls.
Quartenary Protein Structure
Lipids
starch
Cellulose
3. ____________ _______ are genetic material that directs cell activity.
Proteins
Double layered cell membrane
Nucleic Acids
glycogen
4. Proteins are made when many many amino acids combine together through _____________ _____________.
Secondary Protein Structure
Isomers
Monosaccharides
dehydration synthesis
5. Phospholipids have a _______ head - and a _____________ tail.
Nucleic Acids
Polar - non-polar
carbohydrates
three
6. There are _____ types of protein structure.
Defense
Non-soluble
amino acids
four
7. The three types of Polysaccharides are starch - glycogen - and _____________.
Lipids
cellulose
energy and molecules
starch
8. All _____________ have different proteins (amino acids)
amylopectin
carbohydrates - proteins - and lipids.
Animals
four
9. _____________ _____________ _____________- a single chain of sequenced amino acids.
three
Carbohydrates
dehydration synthesis
Primary Protein Structure
10. Triglycerides can be _____________ - or _______________.
saturated - unsaturated
Lipids
Polysaccharides
Monosaccharides
11. There are ______ kinds of lipids.
Proteins
carbohydrates
Maltose
Four
12. __________________ are formed by MANY monosaccharides linked together.
energy and molecules
Polysaccharides
plant cells
Dehydration synthesis
13. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.
Protein structures
Lipids
Twenty - Twelve - Eight.
carbohydrates
14. The three types of Polysaccharides are _____________ - _____________ - and _____________.
Glycerol - fatty acid
starch - glycogen - cellulose
Lipids
1680 kJ
15. The bond formed between two amino acids are called a __________ ______.
Protein structures
peptide bond
Fructose
Primary Protein Structure
16. _______________ consists of carbohydrates - proteins - and lipids.
Polar - non-polar
Lipids
Macronutrients
Fructose
17. Proteins are made when many many amino acids combine together through _____________ _____________.
Protein structures
Polar - non-polar
starch - glycogen - cellulose
dehydration synthesis
18. ____________: more than one sugar molecule.
Catabolism
Micronutrients
Polymers
Phospholipids
19. Proteins help keep our cells and muscles in _________.
Monosaccharides
Motion
sugar molecules
Isomers
20. The two types of starches are ___________ - and ______________.
Polysaccharides
Four
Amylose - amylopectin
Disaccharides
21. __________ are the structural components of the cell.
nucleic acids
Proteins
Disaccharides
Polar - non-polar
22. Vitamins and Minerals are often found in __________ _________.
Support
Anabolism
complex chemicals
Carbohydrates
23. Monosaccharides are also called ________ __________.
peptide bond
carbohydrates - proteins - and lipids.
Amylose - amylopectin
simple sugars
24. __________ = glucose + glucose.
Hormones
Key components
Maltose
nitrogenous
25. _____________ _____________ _____________- coils of amino acids.
Secondary Protein Structure
Animals
Isomers
Lipids
26. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.
nucleic acids
Transport
amino acid - hydrogen - carboxyl group - are-group
Animals
27. The three types of Polysaccharides are starch - glycogen - and _____________.
Polar - non-polar
cellulose
Sucrose
two monosaccharides
28. ______________ are made of two monosaccharides combined together.
glycogen
Proteins
Polysaccharides
Disaccharides
29. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.
vitamins and minerals
plant cells
dehydration
dehydration synthesis
30. Proteins __________ ligaments - tendons - and skin.
cellulose
Twenty - Twelve - Eight.
Support
Denaturation
31. Micronutrients consists of Vitamins and Minerals - and _________ ______.
Non-soluble
nucleic acids
amylose
three
32. ______ of fat = 3870 kJ of energy.
Fructose
dehydration synthesis
100g
complex chemicals
33. There are ________ types of carbohydrates.
Disaccharides
four
Four
three
34. Some examples of Monosaccharides are Glucose - Galactose - __________.
1680 kJ
Lipids
Fructose
Lipids
35. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
starch - glycogen - cellulose
Micronutrients
Primary Protein Structure
Maltose
36. ______ of carbs = 1680 kJ of energy.
Transport
Hydrolysis
Galactose
100 g
37. _____________ ________ _____ are the eight amino acids our body cannot make.
carbohydrates
Lipids
Essential amino acids
Hormones
38. Phospholipds have a _____________ head - and a _______________ tail.
carbohydrates
Transport
nitrogenous
Hydrophilic - hydrophobic
39. ___________: to lose a water molecule.
Cellulose
Motion
vitamins and minerals
dehydration
40. Proteins help _____________ important substances to different areas of the body.
Transport
three
Animals
synthesis
41. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
lipds
Proteins
Carbohydrates
Monosaccharides
42. _____________ is when a protein changes shape permanently.
Waxes
Key components
Coagulation
glycogen
43. ______ are energy storage compounds.
Animals
Lipids
Sucrose
Secondary Protein Structure
44. Carbohydrates are made of all ________ ____________.
Hormones
nitrogenous
sugar molecules
Cellulose
45. All lipids are made of two structural units: ___________ - and _______ ______.
1680 kJ
Glycerol - fatty acid
Dehydration synthesis
amylopectin
46. There are ______ kinds of lipids.
glycogen
cellulose
3870 kJ
Four
47. ___________ have different properties. Ex - fructose is sweeter.
saturated - unsaturated
synthesis
Motion
Isomers
48. Starches are _______ polysaccharides - stores energy for _______.
amylopectin
vitamins and minerals
plant
synthesis
49. _______________ is the primary energy source for cells.
cellulose
Carbohydrates
Proteins
Polymers
50. __________ are the structural components of the cell.
Proteins
Sterols
lipds
Polymers