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