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