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Test your basic knowledge |
CLEP Biology: Basic Chemistry
Start Test
Study First
Subjects
:
clep
,
science
,
biology
Instructions:
Answer 40 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. Single sugars; glucose(C6H12O6) is a monosaccharide that is manufactured by plants in photosynthesis
Fatty acids
Monosaccharides
Exothermic reaction
Protoplasm
2. In any process - energy is neither created nor destroyed
Entropy
First law of thermodynam ics
Lipids are
Carbon - hydrogen - oxygen - nitrogen - calcium
3. What is chief ingredient in living things?
Potential energy
Proteins
Fatty acids
Carbon
4. Composed of long chains of glucose; is a polysaccharide; found in plant cell walls; nondigestible by most animals; part of our diet called bulk or rubbage(fiber)
Fatty acids
Exothermic reaction
Cellulose
Enzymatic
5. Elements essential to life
Monosaccharides
Proteins
Carbon - hydrogen - oxygen - nitrogen - calcium
Biosynthesis is
6. Mixture of fine particles that do not settle out quickly (ex. protoplasm)
Proteins
Glycogen
Disaccharides
Colloid
7. The living content in a cell
Protoplasm
Monosaccharides
Elements
Entropy
8. Group of organic substances slightly soluble in water; very soluble in other organic liquids; mostly structural but also store energy; humans and animals store their excess energy as lipids
Monosaccharides
Lipids are
Glycogen
Cellulose
9. Homogenous(alike) mixture of one or more substances in another substance
Kinetic energy
Exothermic reaction
Fatty acids
Solution
10. Affect the rate of the reaction but are not changed in the reaction
Catalysts
Colloid
Monosaccharides
First law of thermodynam ics
11. Organic compounds that contain carbon - hydrogen and oxygen; provide structure and store energy
Entropy
Carbohydrates
Second law of thermodynamics
DNA replication
12. Double sugars; maltose - sucrose - lactose; formed when monosaccharides undergo dehydration synthesis - when a suger looses hydrozyl group (OH) and another gives hydrogen - resulting in a water molecule and a ...
Energy is
Hydrolosys in disaccharides
Disaccharides
Catalysts
13. Gives off heat; exo - outside
Colloid
Kinetic energy
Exothermic reaction
Monosaccharides
14. The diffusion of water(!!) through a semipermiable membrane; equilibrium is never reached.
Carbohydrates
Osmosis is
Chitin
DNA
15. Polysaccharide; animal starch (animals and humans eat starches abd break them down to monosaccharides; the liver converts them to glycogen for storage)
Glycogen
Reversible colloid
Energy is
Biosynthesis is
16. Process of making two DNA molecules from one strand
Glycogen
Carbohydrates
DNA replication
DNA
17. Made of nucleotides; sugar - phosphate - base; adenine - thyOOmine; guani`ne - cytosine
Reversible colloid
RNA
Carbon
Structure of DNA
18. The putting together of living things
Starch
Suspension
Atom
Biosynthesis is
19. Cannot change between gel and sol (ex. egg whites)
Carbohydrates
Hydrolosys in disaccharides
Nonreversible colloid
Atom
20. Dissolved
Cellulose
Starch
Solute
Elements
21. Made of amino acids; polypeptide chain of amino acids; make up the majority of an organism's cells; used as enzymes or as building blocks
Catalysts
Cellulose
Monosaccharides
Proteins
22. The increase in randomness and loss of usable energy
Carbon
Colloid
Entropy
Cellulose
23. Absorbs heat; endo - within
Second law of thermodynamics
Solvent
Fatty acids
Endothermic reaction
24. Polysaccharide; strong and flexible; makes up shells of crabs - lobsters - shrimp - insects; found in cell walls of fungi
Chitin
Elements
Osmosis is
Solute
25. When a cell needs a monosaccharide - enzymes cause disaccharides to undergo hydrolysis - which means the breaking down of a disaccharide by adding a water molecule
Glycogen
Solution
Hydrolosys in disaccharides
Carbon - hydrogen - oxygen - nitrogen - calcium
26. Particles are mixed but not dissolved
Osmosis is
Proteins
Enzymatic
Suspension
27. Found in nucleus of cell; contain info necessary for the manufacture of an organism's proteins; nucleic acid form genes; watson and crick discovered
Chitin
DNA
Solute
Polysaccharides
28. Is a polysaccharide; stored by plants; a major energy source for humans; humans can't make it
Colloid
Carbon - hydrogen - oxygen - nitrogen - calcium
Catalysts
Starch
29. Dissolver (water: universal solvent)
Polysaccharides
Second law of thermodynamics
Fatty acids
Solvent
30. Most abundant form of lipids; building blocks for other lipids; have hydrophilic and hydrophobic ends; in water - will align themselves; good source of energy; found in dairy and animal tissues
DNA replication
Proteins
Fatty acids
Cellulose
31. Whenever energy is used - some of the energy is wasted
Second law of thermodynamics
Proteins
Solvent
Polysaccharides
32. Stored energy
Glycogen
Potential energy
Exothermic reaction
Colloid
33. Another nucleic acid; single strand; sometime replaces thymine
Disaccharides
Enzymatic
Osmosis is
RNA
34. The ability to do work
Carbohydrates
Potential energy
Energy is
Lipids are
35. Many sugars; complex carbs
Reversible colloid
Polysaccharides
Solution
Monosaccharides
36. Matter is composed of ______
Elements
Carbohydrates
Proteins
Potential energy
37. Energy in motion
Solution
Kinetic energy
Structure of DNA
Glycogen
38. Smallest unit of an element
DNA replication
Atom
Endothermic reaction
Potential energy
39. Proteins only one that are...
Chitin
Disaccharides
Enzymatic
Kinetic energy
40. Can change between gel and sol phases (ex. protoplasm)
Nonreversible colloid
Endothermic reaction
Reversible colloid
Second law of thermodynamics