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