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