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