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