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Test your basic knowledge |
Biology: Essential Nutrients
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Subjects
:
science
,
biology
Instructions:
Answer 50 questions in 15 minutes.
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.
Match each statement with the correct term.
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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. _______ are non-polar molecules.
Double layered cell membrane
Lipids
Monosaccharides
glycogen
2. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
Galactose
Quartenary Protein Structure
Fructose
Cellulose
3. ______________ are acquired from plants. (Photosynthesis -> glucose)
Hydrolysis
Saturated Triglycerides
Carbohydrates
100g
4. The bond formed between two amino acids are called a __________ ______.
1680 kJ
Secondary Protein Structure
peptide bond
Tertiary Protein Structure
5. Breakdown of more complex substances into simpler ones with release of energy.
Transport
Catabolism
Sucrose
Isomers
6. _____________ molecules are not negatively or positively charged.
vitamins and minerals
metabolism
Transport
Non-polar
7. Starches are _______ polysaccharides - stores energy for _______.
plant
vitamins and minerals
100 g
Enzymes
8. _____________ contain up to 1000-6000 glucose molecules linked together.
Non-soluble
Waxes
three
amylopectin
9. Macronutrients consists of carbohydrates - __________ - and lipids.
Carbohydrates
Carbohydrates
Carbohydrates
proteins
10. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
Carbohydrates
amino acids
sugar
carbohydrates
11. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.
Defense
complex chemicals
Four
Twenty - Twelve - Eight.
12. ___________: to lose a water molecule.
proteins
Monosaccharides
amylopectin
dehydration
13. _______________ are fast sources of energy.
Polymers
Polar - non-polar
Carbohydrates
Waxes
14. Vitamins and Minerals are often found in __________ _________.
Galactose
Carbohydrates
Nucleic Acids
complex chemicals
15. ___________: to lose a water molecule.
Isomers
Primary Protein Structure
dehydration
Protein structures
16. Lipids are _____________ (does not dissolve in water).
starch
Non-soluble
Hormones
Coagulation
17. ___________: combining two things together to make something new.
Lipids
synthesis
Coagulation
Triglycerides
18. When two monosaccharides combine together - the chemical reaction is call _____________ _____________.
sugar
dehydration synthesis
carbohydrates
amylopectin
19. Proteins are made when many many amino acids combine together through _____________ _____________.
dehydration synthesis
Lactose
nitrogenous
Non-polar
20. ____________ _______ are genetic material that directs cell activity.
Nucleic Acids
nitrogenous
Secondary Protein Structure
1680 kJ
21. There are _____ types of protein structure.
Defense
four
Glycerol - fatty acid
Protein structures
22. Proteins are composed of ______ ______.
dehydration synthesis
amino acids
Key components
Lipids
23. Phospholipds have a _____________ head - and a _______________ tail.
Proteins
peptide bond
Hydrophilic - hydrophobic
Isomers
24. The three types of Polysaccharides are starch - glycogen - and _____________.
Non-soluble
Amylose - amylopectin
cellulose
Lipids
25. Macronutrients consists of carbohydrates - __________ - and lipids.
dehydration synthesis
Macronutrients
Lipids
proteins
26. Carbohydrates are structural material for ______ ______.
Lactose
plant cells
Disaccharides
Hydrophilic - hydrophobic
27. ___________ are important for long-term storage of energy.
Double layered cell membrane
vitamins and minerals
Lipids
glycogen
28. _____________ are plant polysaccharides - stores energy for plants.
Hydrophilic - hydrophobic
Primary Protein Structure
Starches
saturated - unsaturated
29. _____________ is when a protein changes shape temporarily.
Denaturation
nucleic acids
Triglycerides
simple sugars
30. ______ of fat = 3870 kJ of energy.
Quartenary Protein Structure
3870 kJ
100g
synthesis
31. ____________ _______ are genetic material that directs cell activity.
glycogen
Sterols
Lipids
Nucleic Acids
32. _____________ is when a protein changes shape permanently.
Coagulation
Lipids
Defense
nitrogenous
33. ___________: combining two things together to make something new.
Lipids
synthesis
Lipids
Sucrose
34. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.
amylopectin
Motion
vitamins and minerals
cushion - insulates
35. Some examples of Monosaccharides are _________ - Galactose - Fructose.
Support
Lipids
Carbohydrates
Glucose
36. Phospholipids forms a _________ _____________ _____________ _____________ that is essential for structure and function.
Maltose
Double layered cell membrane
Starches
Fructose
37. Every living thing requires a constant supply of __________ ___ ____________.
Galactose
energy and molecules
Phospholipids
Four
38. Proteins __________ ligaments - tendons - and skin.
Motion
Lipids
phosphate
Support
39. Proteins help keep our cells and muscles in _________.
Carbohydrates
100g
Motion
sugar molecules
40. Some examples of Monosaccharides are _________ - ___________ - __________.
Glucose - Galactose - Fructose
Triglycerides
sugar molecules
Lipids
41. Proteins help form antibodies for _____________.
sugar
Defense
Carbohydrates
Proteins
42. Proteins help form antibodies for _____________.
Protein structures
Maltose
Disaccharides
Defense
43. The opposite of dehydration synthesis is _____________.
Hydrolysis
glycogen
Polymers
Lipids
44. ______ are the structural components of cell membranes.
Phospholipids
Galactose
Lipids
glycogen
45. _____________ _____________ _____________- a single chain of sequenced amino acids.
Unsaturated Triglycerides
Primary Protein Structure
carbohydrates
Protein structures
46. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.
Coagulation
Sterols
Twenty - Twelve - Eight.
Enzymes
47. The three types of Polysaccharides are starch - glycogen - and _____________.
100g
sugar
Lipids
cellulose
48. Synthesis of more complex substances from simpler ones.
Coagulation
Anabolism
vitamins and minerals
Starches
49. Triglycerides can be _____________ - or _______________.
saturated - unsaturated
Non-polar
Motion
plant
50. Macronutrients consists of _______________ - _________ - and _______.
Enzymes
four
carbohydrates - proteins - and lipids.
Micronutrients
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