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