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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. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
amylose
Micronutrients
cellulose
3870 kJ
2. Proteins help _____________ important substances to different areas of the body.
Transport
plant cells
nitrogenous
Micronutrients
3. Proteins help form antibodies for _____________.
amylopectin
amylopectin
amino acid - hydrogen - carboxyl group - are-group
Defense
4. ___________: to lose a water molecule.
dehydration
Essential amino acids
four
Sucrose
5. ____________: more than one sugar molecule.
Polysaccharides
Lipids
Phospholipids
Polymers
6. There are ______ kinds of lipids.
Four
Carbohydrates
dehydration synthesis
3870 kJ
7. ___________: combining two things together to make something new.
two monosaccharides
synthesis
Hormones
metabolism
8. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
Unsaturated Triglycerides
sugar
Lipids
Proteins
9. __________ are the structural components of the cell.
peptide bond
Lipids
cellulose
Proteins
10. Proteins are composed of ______ ______.
Isomers
Denaturation
plant cells
amino acids
11. Some examples of Monosaccharides are Glucose - ___________ - Fructose.
Lipids
amylopectin
Galactose
cushion - insulates
12. Carbohydrates are structural material for ______ ______.
plant cells
Carbohydrates
Tertiary Protein Structure
amylopectin
13. _______________ is the primary energy source for cells.
Carbohydrates
vitamins and minerals
energy and molecules
nitrogenous
14. Disaccharides are made of _____ __________________ combined together.
four
two monosaccharides
3870 kJ
Hormones
15. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.
complex chemicals
Phospholipids
Lipids
metabolism
16. __________ = glucose + fructose.
Sucrose
Secondary Protein Structure
Lactose
Galactose
17. All _____________ have different proteins (amino acids)
metabolism
amino acid - hydrogen - carboxyl group - are-group
Lipids
Animals
18. _____________ is when a protein changes shape temporarily.
amylopectin
Cellulose
Glucose - Galactose - Fructose
Denaturation
19. _____________ _____________ _____________- a single chain of sequenced amino acids.
three
amylopectin
Primary Protein Structure
Proteins
20. Macronutrients consists of _______________ - _________ - and _______.
amino acids
Dehydration synthesis
carbohydrates - proteins - and lipids.
Polysaccharides
21. Lipids are used to make _____________.
Transport
Sterols
Polar - non-polar
Hormones
22. ______ are the structural components of cell membranes.
Hormones
Lipids
Lactose
plant cells
23. Proteins help _____________ important substances to different areas of the body.
Lipids
vitamins and minerals
Carbohydrates
Transport
24. _______________ are made of glycerol and two fatty acids and a phosphate group.
Proteins
Cellulose
Phospholipids
phosphate
25. ________________ consists of Vitamins and Minerals - and Nucleic Acids.
Twenty - Twelve - Eight.
Micronutrients
complex chemicals
Primary Protein Structure
26. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.
Maltose
Protein structures
Disaccharides
Carbohydrates
27. __________________ are formed by MANY monosaccharides linked together.
Proteins
Polysaccharides
three
Sterols
28. There are ________ types of carbohydrates.
three
Carbohydrates
amino acids
Monosaccharides
29. Macronutrients consists of carbohydrates - proteins - and _______.
Sucrose
Monosaccharides
Lipids
lipds
30. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
Proteins
Motion
carbohydrates - proteins - and lipids.
Tertiary Protein Structure
31. There are ________ types of carbohydrates.
Hydrophilic - hydrophobic
Disaccharides
three
Monosaccharides
32. _______________ consists of carbohydrates - proteins - and lipids.
Disaccharides
vitamins and minerals
Macronutrients
carbohydrates
33. Monosaccharides are also called ________ __________.
simple sugars
Secondary Protein Structure
100g
Defense
34. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.
Carbohydrates
Sucrose
amino acid - hydrogen - carboxyl group - are-group
carbohydrates - proteins - and lipids.
35. _____________ look like amylopectin but only have 16-24 glucose on each branch.
complex chemicals
glycogen
Glycerol - fatty acid
lipds
36. Proteins are made when many many amino acids combine together through _____________ _____________.
dehydration synthesis
Triglycerides
Non-polar
nucleic acids
37. Every living thing requires a constant supply of __________ ___ ____________.
energy and molecules
Isomers
Coagulation
Proteins
38. ________ includes all fats and oils.
Lipids
Monosaccharides
sugar
Tertiary Protein Structure
39. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
Quartenary Protein Structure
dehydration synthesis
complex chemicals
Polysaccharides
40. __________ = glucose + glucose.
Maltose
Cellulose
dehydration
Carbohydrates
41. Phospholipids have a _______ head - and a _____________ tail.
Defense
carbohydrates - proteins - and lipids.
Unsaturated Triglycerides
Polar - non-polar
42. _____________ are plant polysaccharides - stores energy for plants.
Polar - non-polar
Nucleic Acids
Starches
Quartenary Protein Structure
43. Triglycerides can be _____________ - or _______________.
saturated - unsaturated
synthesis
Macronutrients
dehydration
44. _______________ are made of all sugar molecules.
Carbohydrates
Monosaccharides
glycogen
Support
45. ___________: to lose a water molecule.
dehydration
Macronutrients
amylopectin
Lipids
46. Monosaccharides are also called ________ __________.
Proteins
Transport
Disaccharides
simple sugars
47. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
glycogen
Quartenary Protein Structure
nitrogenous
Animals
48. ______________ are acquired from plants. (Photosynthesis -> glucose)
synthesis
Glycerol - fatty acid
Lactose
Carbohydrates
49. ____________: when molecules have the same chemical formula but different structures.
Triglycerides - phospholipids - waxes - sterols
Support
three
Isomers
50. ____________: more than one sugar molecule.
sugar molecules
Carbohydrates
Polymers
sugar - phosphate - nitrogenous