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