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