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