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