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