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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. The increase in randomness and loss of usable energy
Carbon
Entropy
Potential energy
Atom
2. What is chief ingredient in living things?
Carbon
Proteins
Osmosis is
Monosaccharides
3. Organic compounds that contain carbon - hydrogen and oxygen; provide structure and store energy
Structure of DNA
Carbohydrates
Hydrolosys in disaccharides
DNA
4. Made of nucleotides; sugar - phosphate - base; adenine - thyOOmine; guani`ne - cytosine
Disaccharides
Reversible colloid
Structure of DNA
Solvent
5. Smallest unit of an element
Fatty acids
Glycogen
Polysaccharides
Atom
6. Absorbs heat; endo - within
Enzymatic
Carbohydrates
Monosaccharides
Endothermic reaction
7. Elements essential to life
Carbon - hydrogen - oxygen - nitrogen - calcium
Colloid
Structure of DNA
DNA replication
8. Polysaccharide; strong and flexible; makes up shells of crabs - lobsters - shrimp - insects; found in cell walls of fungi
First law of thermodynam ics
Biosynthesis is
Chitin
Monosaccharides
9. Many sugars; complex carbs
Carbon
Polysaccharides
Protoplasm
Carbohydrates
10. In any process - energy is neither created nor destroyed
Solute
Carbon
First law of thermodynam ics
DNA
11. Dissolver (water: universal solvent)
Structure of DNA
Second law of thermodynamics
Solvent
Atom
12. The putting together of living things
Lipids are
Biosynthesis is
Osmosis is
Entropy
13. Particles are mixed but not dissolved
Suspension
Catalysts
Polysaccharides
Solvent
14. Single sugars; glucose(C6H12O6) is a monosaccharide that is manufactured by plants in photosynthesis
Solvent
Entropy
Monosaccharides
Cellulose
15. Whenever energy is used - some of the energy is wasted
Chitin
Protoplasm
Second law of thermodynamics
Enzymatic
16. Proteins only one that are...
Protoplasm
First law of thermodynam ics
Glycogen
Enzymatic
17. Can change between gel and sol phases (ex. protoplasm)
RNA
Glycogen
Solute
Reversible colloid
18. Cannot change between gel and sol (ex. egg whites)
Polysaccharides
Nonreversible colloid
RNA
Starch
19. Another nucleic acid; single strand; sometime replaces thymine
RNA
Colloid
Monosaccharides
Second law of thermodynamics
20. Dissolved
Solute
Elements
Osmosis is
Polysaccharides
21. 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
Hydrolosys in disaccharides
Atom
DNA
22. Matter is composed of ______
Catalysts
Elements
Nonreversible colloid
Disaccharides
23. Energy in motion
Catalysts
Carbohydrates
Kinetic energy
Endothermic reaction
24. The ability to do work
Reversible colloid
Fatty acids
Energy is
Glycogen
25. Affect the rate of the reaction but are not changed in the reaction
Chitin
Catalysts
Solution
Endothermic reaction
26. Homogenous(alike) mixture of one or more substances in another substance
Biosynthesis is
Proteins
Second law of thermodynamics
Solution
27. 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
First law of thermodynam ics
Cellulose
Entropy
Fatty acids
28. 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 ...
Disaccharides
Colloid
Solvent
Atom
29. 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
Polysaccharides
Carbohydrates
Proteins
Energy is
30. The living content in a cell
Protoplasm
Atom
Potential energy
Proteins
31. 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)
Cellulose
Biosynthesis is
Colloid
Starch
32. Gives off heat; exo - outside
First law of thermodynam ics
Solution
Exothermic reaction
Fatty acids
33. 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
Cellulose
Endothermic reaction
Enzymatic
Lipids are
34. Found in nucleus of cell; contain info necessary for the manufacture of an organism's proteins; nucleic acid form genes; watson and crick discovered
Atom
Chitin
Lipids are
DNA
35. Mixture of fine particles that do not settle out quickly (ex. protoplasm)
Endothermic reaction
Colloid
Enzymatic
Monosaccharides
36. Polysaccharide; animal starch (animals and humans eat starches abd break them down to monosaccharides; the liver converts them to glycogen for storage)
Solvent
Glycogen
Solution
Enzymatic
37. The diffusion of water(!!) through a semipermiable membrane; equilibrium is never reached.
First law of thermodynam ics
Osmosis is
Exothermic reaction
Proteins
38. Stored energy
Hydrolosys in disaccharides
Endothermic reaction
Suspension
Potential energy
39. Is a polysaccharide; stored by plants; a major energy source for humans; humans can't make it
Starch
Suspension
Second law of thermodynamics
Monosaccharides
40. Process of making two DNA molecules from one strand
Disaccharides
DNA replication
Reversible colloid
Entropy