SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.
Sterols
Anabolism
metabolism
dehydration synthesis
2. ____________ creates cholesterol - estrogen and pheromones.
glycogen
Sterols
Twenty - Twelve - Eight.
vitamins and minerals
3. _____________ _____________ _____________- the are groups interact to change coil structure.
Catabolism
energy and molecules
Four
Tertiary Protein Structure
4. ___________: to lose a water molecule.
synthesis
Maltose
dehydration
two monosaccharides
5. The three types of Polysaccharides are starch - _____________ - and cellulose.
synthesis
Sucrose
glycogen
Key components
6. ______________ _______________ : single bonds exist between carbons - they are stable and hard to break down so they will remain in our body longer. animal sources
Motion
Essential amino acids
Motion
Saturated Triglycerides
7. ____________ _______ are genetic material that directs cell activity.
Nucleic Acids
Lipids
glycogen
100g
8. _____________ contain many branches that make up 24-36 glucose molecules.
amylopectin
Proteins
Sterols
lipds
9. Proteins are made when many many amino acids combine together through _____________ _____________.
amino acid - hydrogen - carboxyl group - are-group
dehydration synthesis
Disaccharides
Defense
10. __________ are the structural components of the cell.
Cellulose
Proteins
Waxes
four
11. All _____________ have different proteins (amino acids)
Lactose
Polar - non-polar
lipds
Animals
12. Nucleic acids are composed of _______ - ____________ - and _____________ bases.
sugar - phosphate - nitrogenous
Carbohydrates
Maltose
Non-soluble
13. The bond formed between two amino acids are called a __________ ______.
peptide bond
starch
Glucose
Lipids
14. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.
Lipids
sugar - phosphate - nitrogenous
Protein structures
Macronutrients
15. Phospholipids forms a _________ _____________ _____________ _____________ that is essential for structure and function.
Quartenary Protein Structure
Enzymes
Fructose
Double layered cell membrane
16. Nucleic acids are composed of sugar ____________ - and nitrogenous bases.
Proteins
phosphate
amino acids
3870 kJ
17. _____________ are made of one glycerol and three fatty acid chains.
Amylose - amylopectin
amylose
Triglycerides
Proteins
18. Some examples of Monosaccharides are Glucose - Galactose - __________.
Catabolism
Fructose
Carbohydrates
Transport
19. There are _____ types of protein structure.
Primary Protein Structure
four
starch
Carbohydrates
20. Macronutrients consists of carbohydrates - proteins - and _______.
cushion - insulates
starch
sugar
lipds
21. Synthesis of more complex substances from simpler ones.
lipds
energy and molecules
Anabolism
nucleic acids
22. ____________: more than one sugar molecule.
Sucrose
Polymers
Hydrophilic - hydrophobic
three
23. Lipids are _____________ (does not dissolve in water).
Monosaccharides
Macronutrients
Primary Protein Structure
Non-soluble
24. __________ = glucose + fructose.
Denaturation
Saturated Triglycerides
Sucrose
Micronutrients
25. Micronutrients consists of Vitamins and Minerals - and _________ ______.
nucleic acids
carbohydrates
metabolism
Monosaccharides
26. _______________ are fast sources of energy.
Carbohydrates
starch - glycogen - cellulose
amino acid - hydrogen - carboxyl group - are-group
Key components
27. ___________ have different properties. Ex - fructose is sweeter.
Tertiary Protein Structure
Isomers
Hydrolysis
Lipids
28. _____________ contain up to 1000-6000 glucose molecules linked together.
amylopectin
Primary Protein Structure
glycogen
Sterols
29. Triglycerides can be _____________ - or _______________.
proteins
Polymers
saturated - unsaturated
Polar - non-polar
30. ______ of carbs = 1680 kJ of energy.
3870 kJ
cushion - insulates
Sterols
100 g
31. Proteins help _____________ important substances to different areas of the body.
Hormones
Hydrophilic - hydrophobic
Transport
100g
32. Macronutrients consists of _______________ - _________ - and _______.
Macronutrients
sugar molecules
two monosaccharides
carbohydrates - proteins - and lipids.
33. _______________ consists of carbohydrates - proteins - and lipids.
vitamins and minerals
Catabolism
sugar molecules
Macronutrients
34. The two types of starches are ___________ - and ______________.
glycogen
Amylose - amylopectin
Transport
Four
35. There are ______ kinds of lipids.
metabolism
Animals
Four
dehydration
36. _____________ are plant polysaccharides - stores energy for plants.
Glucose
Sterols
Starches
Quartenary Protein Structure
37. Nucleic acids are composed of sugar - phosphate - and _____________ bases.
Proteins
nitrogenous
Secondary Protein Structure
Starches
38. When two monosaccharides combine together - the chemical reaction is call _____________ _____________.
glycogen
Hydrolysis
glycogen
dehydration synthesis
39. _______________ are made of glycerol and two fatty acids and a phosphate group.
Phospholipids
vitamins and minerals
Glycerol - fatty acid
carbohydrates
40. ________ includes all fats and oils.
metabolism
Phospholipids
Lipids
Triglycerides
41. Some examples of Monosaccharides are _________ - Galactose - Fructose.
Maltose
Amylose - amylopectin
glycogen
Glucose
42. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
starch
Essential amino acids
Sucrose
sugar
43. _____________ _____________ _____________- coils of amino acids.
Four
amino acid - hydrogen - carboxyl group - are-group
Lipids
Secondary Protein Structure
44. The opposite of dehydration synthesis is _____________.
Anabolism
Lipids
peptide bond
Hydrolysis
45. The three types of Polysaccharides are _____________ - _____________ - and _____________.
starch - glycogen - cellulose
nucleic acids
sugar - phosphate - nitrogenous
complex chemicals
46. The three types of Polysaccharides are _____________ - _____________ - and _____________.
Glucose
Non-polar
three
starch - glycogen - cellulose
47. The bond formed between two amino acids are called a __________ ______.
Lipids
Hydrophilic - hydrophobic
Amylose - amylopectin
peptide bond
48. Macronutrients consists of ______________ - proteins - and lipids.
proteins
Isomers
sugar
carbohydrates
49. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
Proteins
Lipids
complex chemicals
Motion
50. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
sugar - phosphate - nitrogenous
Starches
Quartenary Protein Structure
Non-soluble