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