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