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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. Phospholipids forms a _________ _____________ _____________ _____________ that is essential for structure and function.
Double layered cell membrane
Secondary Protein Structure
Hydrolysis
Polysaccharides
2. Proteins __________ ligaments - tendons - and skin.
Maltose
cellulose
Support
lipds
3. Proteins create _____________ that affect growth and serve as messengers.
Sterols
Hormones
dehydration synthesis
Proteins
4. The two types of starches are ___________ - and ______________.
Catabolism
Amylose - amylopectin
synthesis
cellulose
5. _______________ can have one single sugar molecule or can be polymers.
Carbohydrates
three
Lactose
simple sugars
6. ____________: when molecules have the same chemical formula but different structures.
Carbohydrates
Disaccharides
nucleic acids
Isomers
7. ___________: to lose a water molecule.
Denaturation
cushion - insulates
dehydration
cellulose
8. Nucleic acids are composed of sugar ____________ - and nitrogenous bases.
phosphate
Cellulose
Polar - non-polar
dehydration
9. ________ are used to maintain a body temperature.
synthesis
Lipids
100 g
Hydrophilic - hydrophobic
10. Monosaccharides are also called ________ __________.
simple sugars
100 g
starch
Secondary Protein Structure
11. __________ = galactose + glucose
plant cells
Maltose
Lactose
Primary Protein Structure
12. Phospholipds have a _____________ head - and a _______________ tail.
Hydrophilic - hydrophobic
Quartenary Protein Structure
metabolism
glycogen
13. _______________ is the primary energy source for cells.
Lipids
Lipids
Carbohydrates
Micronutrients
14. __________ = galactose + glucose
amino acids
Lipids
Polymers
Lactose
15. ________ includes all fats and oils.
Lipids
dehydration
plant
amylose
16. _______ are non-polar molecules.
Lipids
Animals
Maltose
amino acid - hydrogen - carboxyl group - are-group
17. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.
Phospholipids
Polymers
peptide bond
Carbohydrates
18. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.
four
cellulose
starch - glycogen - cellulose
Twenty - Twelve - Eight.
19. The three types of Polysaccharides are starch - _____________ - and cellulose.
Defense
Dehydration synthesis
glycogen
Triglycerides - phospholipids - waxes - sterols
20. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.
sugar
Isomers
Waxes
Lipids
21. Proteins are made when many many amino acids combine together through _____________ _____________.
Hormones
dehydration synthesis
Protein structures
amino acids
22. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
nucleic acids
Enzymes
Micronutrients
peptide bond
23. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
Hydrophilic - hydrophobic
starch
sugar
peptide bond
24. The bond formed between two amino acids are called a __________ ______.
four
Glycerol - fatty acid
peptide bond
glycogen
25. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
Proteins
amino acid - hydrogen - carboxyl group - are-group
two monosaccharides
Enzymes
26. There are _____ types of protein structure.
Triglycerides
Galactose
Polymers
four
27. The opposite of dehydration synthesis is _____________.
Essential amino acids
Hydrolysis
Proteins
four
28. _____________ _____________ _____________- a single chain of sequenced amino acids.
Carbohydrates
four
Proteins
Primary Protein Structure
29. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.
amino acid - hydrogen - carboxyl group - are-group
simple sugars
saturated - unsaturated
starch
30. Carbohydrates are structural material for ______ ______.
Macronutrients
plant cells
Coagulation
synthesis
31. __________ _____ ___________ help in chemical reactions.
vitamins and minerals
glycogen
Four
Macronutrients
32. _____________ _____________ _____________- the are groups interact to change coil structure.
dehydration synthesis
Proteins
Tertiary Protein Structure
vitamins and minerals
33. 100 g of carbs = __________ of energy.
Unsaturated Triglycerides
glycogen
1680 kJ
starch
34. Macronutrients consists of carbohydrates - __________ - and lipids.
proteins
simple sugars
Carbohydrates
metabolism
35. 100 g of fat = __________ of energy.
nucleic acids
four
100 g
3870 kJ
36. Proteins create ___________ that bring reactants together faster or slower.
Enzymes
Polysaccharides
Monosaccharides
Transport
37. Macronutrients consists of carbohydrates - proteins - and _______.
Amylose - amylopectin
Carbohydrates
lipds
Fructose
38. ______ of carbs = 1680 kJ of energy.
100 g
Hydrophilic - hydrophobic
Phospholipids
Carbohydrates
39. Every living thing requires a constant supply of __________ ___ ____________.
Polar - non-polar
energy and molecules
Denaturation
Enzymes
40. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.
Isomers
vitamins and minerals
Waxes
phosphate
41. __________________ are formed by MANY monosaccharides linked together.
Lactose
Polysaccharides
Dehydration synthesis
metabolism
42. _____________ ________ _____ are the eight amino acids our body cannot make.
dehydration synthesis
Polar - non-polar
Essential amino acids
Catabolism
43. _______________ can have one single sugar molecule or can be polymers.
Carbohydrates
metabolism
dehydration synthesis
plant
44. _____________ is where animals store carbohydrates.
glycogen
Polysaccharides
Animals
Four
45. Monosaccharides are also called ________ __________.
simple sugars
Saturated Triglycerides
lipds
nitrogenous
46. When two monosaccharides combine together - the chemical reaction is call _____________ _____________.
Key components
dehydration synthesis
Cellulose
Glucose - Galactose - Fructose
47. The bond formed between two amino acids are called a __________ ______.
peptide bond
Waxes
Triglycerides
Nucleic Acids
48. Synthesis of more complex substances from simpler ones.
Anabolism
Saturated Triglycerides
Carbohydrates
nitrogenous
49. Some examples of Monosaccharides are Glucose - Galactose - __________.
plant cells
glycogen
Fructose
Transport
50. Lipids __________ - and ____________ organs.
100 g
cushion - insulates
Polar - non-polar
Transport