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. _____________ _____________ _____________- coils of amino acids.
Secondary Protein Structure
Dehydration synthesis
Essential amino acids
Glycerol - fatty acid
2. The three types of Polysaccharides are starch - glycogen - and _____________.
Lipids
synthesis
cellulose
Glycerol - fatty acid
3. __________ = glucose + glucose.
Lipids
Maltose
Carbohydrates
Double layered cell membrane
4. Vitamins and Minerals are often found in __________ _________.
complex chemicals
peptide bond
Monosaccharides
Isomers
5. _______________ are made of glycerol and two fatty acids and a phosphate group.
Lipids
Unsaturated Triglycerides
Phospholipids
peptide bond
6. _____________ are plant polysaccharides - stores energy for plants.
sugar - phosphate - nitrogenous
Starches
Monosaccharides
Triglycerides
7. ______ of fat = 3870 kJ of energy.
100g
Hydrolysis
Galactose
dehydration synthesis
8. There are ________ types of carbohydrates.
three
Non-soluble
Carbohydrates
proteins
9. _____________ molecules are not negatively or positively charged.
Non-polar
Glucose - Galactose - Fructose
dehydration synthesis
Motion
10. Monosaccharides are also called ________ __________.
Triglycerides
two monosaccharides
Nucleic Acids
simple sugars
11. Proteins create _____________ that affect growth and serve as messengers.
Maltose
Catabolism
Carbohydrates
Hormones
12. Some examples of Monosaccharides are _________ - ___________ - __________.
Glucose - Galactose - Fructose
lipds
Triglycerides
Glycerol - fatty acid
13. _______________ consists of carbohydrates - proteins - and lipids.
Macronutrients
plant cells
dehydration synthesis
Carbohydrates
14. _____________ is when a protein changes shape temporarily.
Hormones
Denaturation
Triglycerides - phospholipids - waxes - sterols
plant cells
15. _____________ ________ _____ are the eight amino acids our body cannot make.
Primary Protein Structure
Essential amino acids
Lipids
lipds
16. The four kinds of lipids are _______________ - _______________ - ________ - and ___________.
Triglycerides - phospholipids - waxes - sterols
complex chemicals
Support
Macronutrients
17. Disaccharides are made of _____ __________________ combined together.
two monosaccharides
amylopectin
Denaturation
proteins
18. Proteins create ___________ that bring reactants together faster or slower.
Saturated Triglycerides
Enzymes
Hydrolysis
Lactose
19. _____________ are found in plant cell walls.
carbohydrates - proteins - and lipids.
Lipids
Cellulose
Triglycerides
20. Nucleic acids are composed of _______ - ____________ - and _____________ bases.
sugar - phosphate - nitrogenous
Enzymes
Double layered cell membrane
Hydrolysis
21. Proteins help form antibodies for _____________.
glycogen
Defense
vitamins and minerals
Hormones
22. ______________ _______________ : single bonds exist between carbons - they are stable and hard to break down so they will remain in our body longer. animal sources
Proteins
Denaturation
amino acid - hydrogen - carboxyl group - are-group
Saturated Triglycerides
23. ___________: combining two things together to make something new.
glycogen
Hydrolysis
synthesis
Carbohydrates
24. The opposite of dehydration synthesis is _____________.
Polymers
Waxes
Non-soluble
Hydrolysis
25. ___________: to lose a water molecule.
simple sugars
Maltose
Waxes
dehydration
26. _________________ are made of a single sugar unit.
Micronutrients
plant
nitrogenous
Monosaccharides
27. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.
Animals
100g
Glycerol - fatty acid
Protein structures
28. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.
complex chemicals
Twenty - Twelve - Eight.
sugar
glycogen
29. Starches are _______ polysaccharides - stores energy for _______.
Monosaccharides
Hormones
Lipids
plant
30. _______________ are made of all sugar molecules.
Quartenary Protein Structure
Carbohydrates
two monosaccharides
amino acids
31. The three types of Polysaccharides are _____________ - _____________ - and _____________.
starch - glycogen - cellulose
Quartenary Protein Structure
Hormones
cushion - insulates
32. The two types of starches are ___________ - and ______________.
Sucrose
Galactose
Amylose - amylopectin
Denaturation
33. ____________ creates cholesterol - estrogen and pheromones.
Sterols
Denaturation
Cellulose
nitrogenous
34. Nucleic acids are composed of sugar - phosphate - and _____________ bases.
Denaturation
sugar molecules
Defense
nitrogenous
35. ________ are used to maintain a body temperature.
Lipids
Monosaccharides
amylose
phosphate
36. ____________: more than one sugar molecule.
Key components
Animals
Polymers
glycogen
37. _____________ _____________ _____________- the are groups interact to change coil structure.
Tertiary Protein Structure
Triglycerides
carbohydrates - proteins - and lipids.
Fructose
38. ___________: to lose a water molecule.
two monosaccharides
dehydration
starch
Monosaccharides
39. _____________ are found in plant cell walls.
Four
100 g
Transport
Cellulose
40. ________ are used to maintain a body temperature.
Defense
cellulose
Protein structures
Lipids
41. Proteins help keep our cells and muscles in _________.
Motion
Maltose
Enzymes
Polar - non-polar
42. ___________ are important for long-term storage of energy.
plant cells
nucleic acids
Lipids
Disaccharides
43. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.
Monosaccharides
Quartenary Protein Structure
Triglycerides
Anabolism
44. The four kinds of lipids are _______________ - _______________ - ________ - and ___________.
Twenty - Twelve - Eight.
Triglycerides - phospholipids - waxes - sterols
nucleic acids
Polymers
45. ______________ are acquired from plants. (Photosynthesis -> glucose)
Defense
metabolism
Carbohydrates
Fructose
46. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.
complex chemicals
metabolism
glycogen
Lipids
47. __________________ are formed by MANY monosaccharides linked together.
Polysaccharides
sugar molecules
energy and molecules
Lipids
48. Macronutrients consists of ______________ - proteins - and lipids.
carbohydrates
Secondary Protein Structure
synthesis
four
49. Carbohydrates are made of all ________ ____________.
Lipids
starch
sugar molecules
Secondary Protein Structure
50. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.
Isomers
Lipids
carbohydrates - proteins - and lipids.
Proteins