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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. Lipids are used to make _____________.
Anabolism
Secondary Protein Structure
Hormones
glycogen
2. Lipids are _____________ (does not dissolve in water).
Non-polar
Non-polar
Non-soluble
starch
3. __________ are needed for fat soluble vitamins.
Lipids
Dehydration synthesis
Quartenary Protein Structure
Isomers
4. The bond formed between two amino acids are called a __________ ______.
Proteins
Denaturation
peptide bond
Dehydration synthesis
5. _________________ are made of a single sugar unit.
sugar - phosphate - nitrogenous
Monosaccharides
Primary Protein Structure
Unsaturated Triglycerides
6. _____________ are found in plant cell walls.
amylopectin
Lipids
Proteins
Cellulose
7. ______ of fat = 3870 kJ of energy.
Key components
100g
Unsaturated Triglycerides
Essential amino acids
8. Starches are _______ polysaccharides - stores energy for _______.
plant
Triglycerides - phospholipids - waxes - sterols
simple sugars
plant cells
9. The three types of Polysaccharides are starch - _____________ - and cellulose.
Denaturation
Carbohydrates
Protein structures
glycogen
10. There are _____ types of protein structure.
Lipids
four
Macronutrients
Non-soluble
11. Nucleic acids are composed of sugar - phosphate - and _____________ bases.
dehydration synthesis
nitrogenous
Denaturation
Catabolism
12. Macronutrients consists of carbohydrates - proteins - and _______.
Quartenary Protein Structure
lipds
peptide bond
Polysaccharides
13. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.
Triglycerides
Twenty - Twelve - Eight.
Galactose
Support
14. _____________ _____________ _____________- a single chain of sequenced amino acids.
saturated - unsaturated
Primary Protein Structure
cushion - insulates
Glucose
15. _____________ ________ _____ are the eight amino acids our body cannot make.
Secondary Protein Structure
Essential amino acids
Hydrophilic - hydrophobic
Proteins
16. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
Carbohydrates
100g
metabolism
glycogen
17. Proteins help keep our cells and muscles in _________.
Motion
Polysaccharides
Lipids
Enzymes
18. _______________ consists of carbohydrates - proteins - and lipids.
simple sugars
Macronutrients
glycogen
Lipids
19. _______________ can have one single sugar molecule or can be polymers.
Carbohydrates
Dehydration synthesis
Micronutrients
four
20. ____________ _______ are genetic material that directs cell activity.
Nucleic Acids
Micronutrients
Polysaccharides
Sucrose
21. Macronutrients consists of ______________ - proteins - and lipids.
carbohydrates
proteins
Dehydration synthesis
Non-polar
22. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.
Triglycerides
Protein structures
Micronutrients
Hydrolysis
23. Proteins create ___________ that bring reactants together faster or slower.
amylopectin
Quartenary Protein Structure
Enzymes
amylopectin
24. ____________: when molecules have the same chemical formula but different structures.
Four
Isomers
vitamins and minerals
metabolism
25. ___________ are important for long-term storage of energy.
Lipids
Secondary Protein Structure
Lactose
Animals
26. The three types of Polysaccharides are _____________ - _____________ - and _____________.
Unsaturated Triglycerides
starch - glycogen - cellulose
Dehydration synthesis
Hydrolysis
27. Proteins help _____________ important substances to different areas of the body.
Triglycerides - phospholipids - waxes - sterols
Hormones
Transport
Proteins
28. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.
Non-polar
two monosaccharides
vitamins and minerals
amino acid - hydrogen - carboxyl group - are-group
29. _____________ look like amylopectin but only have 16-24 glucose on each branch.
vitamins and minerals
Proteins
glycogen
three
30. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources
Disaccharides
Non-soluble
Unsaturated Triglycerides
Isomers
31. __________ are needed for fat soluble vitamins.
Lipids
cushion - insulates
Essential amino acids
Macronutrients
32. ___________: combining two things together to make something new.
amino acids
synthesis
amino acids
complex chemicals
33. Micronutrients consists of Vitamins and Minerals - and _________ ______.
nucleic acids
plant
Isomers
Unsaturated Triglycerides
34. _____________ are found in plant cell walls.
Motion
Cellulose
Lipids
Starches
35. The three types of Polysaccharides are starch - _____________ - and cellulose.
Unsaturated Triglycerides
glycogen
Triglycerides
Micronutrients
36. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
Waxes
Fructose
cellulose
Anabolism
37. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
Hydrophilic - hydrophobic
Waxes
Proteins
100g
38. There are ________ types of carbohydrates.
Lipids
saturated - unsaturated
three
vitamins and minerals
39. Proteins are composed of ______ ______.
Disaccharides
Secondary Protein Structure
amino acids
Defense
40. _____________ contain many branches that make up 24-36 glucose molecules.
Proteins
Hydrolysis
amylopectin
Hormones
41. Nucleic acids are composed of _______ - ____________ - and _____________ bases.
Cellulose
Glucose - Galactose - Fructose
sugar - phosphate - nitrogenous
Animals
42. Starches are _______ polysaccharides - stores energy for _______.
vitamins and minerals
Lipids
Carbohydrates
plant
43. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
Monosaccharides
Hydrophilic - hydrophobic
Carbohydrates
sugar
44. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.
Essential amino acids
amylopectin
Triglycerides - phospholipids - waxes - sterols
Twenty - Twelve - Eight.
45. Proteins are composed of ______ ______.
simple sugars
vitamins and minerals
Lipids
amino acids
46. The two types of starches are ___________ - and ______________.
Unsaturated Triglycerides
Amylose - amylopectin
Denaturation
Anabolism
47. The three types of Polysaccharides are _____________ - glycogen - and cellulose.
starch
simple sugars
Carbohydrates
Triglycerides - phospholipids - waxes - sterols
48. _____________ contain up to 1000 glucose molecules linked together.
amylose
peptide bond
starch - glycogen - cellulose
proteins
49. Carbohydrates are structural material for ______ ______.
plant cells
Carbohydrates
Lipids
dehydration
50. ___________ are important for long-term storage of energy.
Lipids
Nucleic Acids
Proteins
Animals