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