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Test your basic knowledge |
CLEP Biology
Start Test
Study First
Subjects
:
clep
,
science
,
biology
Instructions:
Answer 50 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. Are organic cofactors or coenzymes that are required by some enzymatic reactions.
Prosthetic groups
Phototropism
Meristem tissue
Vitamins
2. Attaches to an enzyme and blocks the enzyme reaction rather than enhancing it - like a prosthetic group would.
Adenine
An inhibitor
Cell walls
Aggregate fruit
3. Has extreme hot or cold temperatures - with very low precipitation - sandy or rocky terrain - sparse vegetation (mainly succulents) - small animals - rodents - and reptiles.
Meristem tissue
Cerebrum
Desert
Interphase
4. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
Endoderm
The hormone aldosterone
Common elements found in proteins
Gene Migration
5. Layer that will become the gut lining as well as some accessory structures.
Endoderm
Germ layers
Phototropism
Parenchyma tissue
6. A cell will only remain stable if the surface area of the plasma membrane maintains a __________ with the volume of the cytoplasm.
Porifera
Balance
A lysosome
parasitic
7. The role played by an organism in its food chain.
Restriction enzymes
Forebrain
A lysosome
Niche
8. Is when expression of genetic traits is determined by weather the trait is inherited from the mother or the father.
Genetic imprinting
Biosphere
The synthesis of ATP molecules to store energy is an example of
Angiosperms
9. Respiratory organs within insects
Lymphocytes
Spiracles
Endocytic vesicles
North America
10. The phylum of insects (bees).
Arthropoda
Genetic imprinting
Lysosomes
Chromosome
11. Small - green - heart-shaped gametophyte plant form of a fern that can make its own food and absorb water and nutrients from the soil
An enzyme
Prothallus
Aves
Cell walls
12. Some energy is lost as heat and becomes unusable.
Fixed Action Pattern (FAP)
Destroy most enzymes
As energy is transferred through trophic levels
Multiple fruit
13. High temperatures
A prosthetic group
Destroy most enzymes
Bronchi
Early hominids...
14. Consists of undifferentiated cells capable of quick growth and specialization. It is responsible for elongation of the stem.
Ribonucleic acid
A mutation
Meristem tissue
The nucleus
15. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
Free ribosomes
Vitamin C
Ecotone
Successful reproduction
16. Transparency - polarity - high specific heat - and density (lower density when solid than when liquid.).
C ---OH
Ionic bonds involve
Characteristics of water valuable to living organisms
Chlorophyll has the ability to
17. Is found on the stem between nodes.
Electron Transfer System (ETS)
Genetic imprinting
Internodal tissue
Endoderm
18. May be ions or non-protein molecules - they are similar to cofactors - but differ in that they are tightly attached by covalent bonds to the enzyme - rather than being separate atoms or molecules.
Prosthetic groups
Cnidaria
An inhibitor
Genetic maintenance
19. Is a phylum that contains sponges.
Porifera
Gymnosperms
Population
Plasmodesmata
20. Sex-linked recessive disorder carried on the x chromosome defined by the absence of one or more proteins required for blood clotting
Hemophilia
The hormone aldosterone
Filtered by the liver
Did not evolve together
21. Ended with the extinction of the dinosaurs.
Gametocide
Mitochondria
Nucleotides
Mesozoic era
22. Breaking down
Catabolism
Habituation
Lymphocytes
Prothallus
23. A suffix meaning 'to break apart.' O || ||
A mutation
Lysis
Hemophilia
The theory of punctuated equilibrium
24. The solid mass of cells resulting from the cleavage of the ovum before the formation of a blastula.
Meristem tissue
Midbrain
Morula
The Cell Theory
25. Is the process that releases energy for use by the cell.
The Cambrian Period
Cellular Respiration
Paleozoic era
Kingdom Animalia
26. Is the sugar that lactase acts upon.
Lactose
Gymnosperms
Photolysis is a reaction of photosynthesis where
The Cambrian Period
27. Synthesis
Paleozoic era
Ribonucleic acid
Hemophilia
Anabolism
28. Is composed of a double layer (bilayer) of phospholipids with protein globules imbedded within the layers. The construction of the membrane allows it to aid the function of the cell by permitting entrance and exit of molecules as needed by the cell.
R-selection
Lymphocytes
The cell membrane
Circadian rhythms
29. The process whereby cells build molecules and store energy (in the form of covalent chemical bonds).
A hydrogen bond
Anabolsim
Porifera
Chromosome
30. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
Catabolism
A prosthetic group
Prothallus
Chlorophyll has the ability to
31. Between the endoderm and ectoderm - layer that will eventually form the muscles - and organs of the skeletal - circulatory - respiratory - reproductive - and excretory systems.
Did not evolve together
Share electrons
Mesoderm
pathogenic
32. Are membrane-bound organelles that contain digestive enzymes that digest dead or unused material within the cell or materials absorbed by the cell for use.
Scurvy
Restriction enzymes
pathogenic
Lysosomes
33. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
Midbrain
R-selection
Kingdom Protista
Gene Migration
34. Is a kind of plain characterized by a warm climate - grassland - and seasonally dry climate conditions.
Savanna
Vascular bundles
Isotonic Conditions
Cnidaria
35. Becomes available for erosion as undersea sedimentary rocks are up-thrust by volcanic activity - erosion releases it from rocks into streams where it combines with oxygen to form phosphates in lakes that are then absorbed by plants - it is recycled t
Mature sporophyte
Endocytic vesicles
Phosphorous
Isotonic Conditions
36. Is a substance that changes the speed of a reaction without being affected itself.
Phosphorous
Pi
Very specific
A catalyst
37. The sharp boundary of an ecosystem.
Allopatric speciation
Ecotone
Nematoda
Trachea
38. Provide rigidity to plant cells (and some bacteria) and are not found within animal cells.
T Cells
Biogeochemical cycles
Cell walls
Ecological niches open up
39. The individual we recognize as an adult fern.
R-selection
Mature sporophyte
Habituation
Mesoderm
40. The bronchi lead to the two lungs where they branch out in all directions into smaller tubules known as bronchioles.
Bronchi
Germ layers
Endocytic vesicles
The primary role of DNA in the cell
41. A sex-linked recessive disorder carried on the x chromosome in which an individual cannot perceive certain colors.
Balance
Gymnosperms
The theory of punctuated equilibrium
Color blindness
42. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.
Silicon
Successful reproduction
Mature sporophyte
The pancreas
43. Are where the sugars synthesized by photosynthesis travel through to various parts of the plant.
The salivary gland
Protista
Vascular bundles
Chromosome
44. Are more closely related to Homo Sapiens than to other apes - but Homo Sapiens did not evolve from chimpanzees.
Scurvy
Chimpanzees
Simple fruits
Mitochondria
45. Cleave strands of DNA segments at certain sites.
The theory of punctuated equilibrium
Lymphocytes
Phototropism
Restriction enzymes
46. The vocal cords are found in the larynx.
Larynx
Gnathostomata
The nucleus
Lysis
47. Contains many genes and is a structure comprised of linear DNA and associated proteins.
Porifera
Free ribosomes
Chromosome
Will increase the reaction rate
48. Is an abundant element found in protoplasm. Together with oxygen - hydrogen - and nitrogen - it composes over 90% of cellular structure.
Carbon
Porifera
Cellulose - starch - lipid - and sugar molecules
Gnathostomata
49. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
Arthropoda
Biosphere
Photolysis is a reaction of photosynthesis where
Kingdom Plantae
50. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Gymnosperms
A prosthetic group
An enzyme
Habituation