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