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