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