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