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Test your basic knowledge |
CLEP Biology
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Study First
Subjects
:
clep
,
science
,
biology
Instructions:
Answer 50 questions in 15 minutes.
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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. Energy transformations that occur as chemicals are broken down or synthesized within the cell.
Cellular Metabolism
Endoderm
Adenine
A sudden change in the amount of extracellular fluid will be corrected by events following the release of substances from this organ.
2. Studied the relationships between traits expressed in parents and offspring and the genes that caused the traits to be expressed.
Sudden appearance and disappearance of fossil species
Gregor Medel
Paleozoic era
Restriction enzymes
3. Small - green - heart-shaped gametophyte plant form of a fern that can make its own food and absorb water and nutrients from the soil
Prothallus
Annelida
Scurvy
Nematoda
4. Is a compound fruit that forms from several ovaries of separate flowers that fuse together during ripening (strawberry - or pineapple).
Pharynx
The pituitary gland
Multiple fruit
Sudden appearance and disappearance of fossil species
5. Contains optic lobes - controls sight.
A hydrogen bond
Tundra
Differential reproduction
Midbrain
6. Transfers water and does not require sieve plates to allow nutrients through.
Natality
Xylem tissue
The Hardy-Weinberg Law of Equilibrium
A sex linked recessive disease
7. The size of a cell is limited by the ratio of its surface area to volume.
A prosthetic group
DNA produces particular genetic traits through
The key limiting factor on cell size
The habitat of an organism includes
8. In DNA Guanine pairs with...
DNA produces particular genetic traits through
Cytosine
Chlorophyll
Color blindness
9. Is the outermost layer of cells of the stem.
Epidermal tissue
An enzyme
Chromatin
Interphase
10. In DNA Thymine pairs with...
Silicon
Adenine
So it can be used over and over again.
Will increase the reaction rate
11. Mitochondria - they constitute the center of cellular respiration.
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12. Is the major component of sand and is the most abundant element found in the lithosphere. It is not recycled.
Kingdom Protista
The salivary gland
Genetic maintenance
Silicon
13. Produce adrenaline. This hormone is a well-known constrictor of blood vessels.
An enzyme
The adrenal glands
The cell membrane (plasma membrane)
Lactose
14. An opportunistic life strategy strategy. Lichens invading a bare rock area after a volcanic eruption is an example.
Prothallus
R-selection
Cytosine
The pancreas
15. Plants and animals obtain usable nitrogen
R-selection
The cell membrane
Through nitrogen fixing bacteria and lighting
Filtered by the liver
16. Is secreted by the adrenal cortex to promote sodium reabsorption in the kidney.
A hydrogen bond
Mesoderm
The hormone aldosterone
C ---OH
17. Secretes insulin to lower blood sugar and maintain equilibrium. A person eats three candy bars. Within minutes this endocrine gland affects blood-glucose homeostasis.
An enzyme
The pancreas
Epidermal tissue
A hydrogen bond
18. The number of organisms in a given community - can be above or below the carrying capacity.
The evolution leading to Homo Sapiens...
Saprophytic
The primary role of DNA in the cell
Population
19. Is a social behavior of an organism that is beneficial to the group at the individual's expense.
A catalyst
Kingdom Plantae
Altruism
Will increase the reaction rate
20. The lineage that led to the modern Homo Sapiens diverged from the lineage that led to the modern chimpanzee.
Kingdom Animalia
Lymphocytes
About five million years ago...
The products of the Krebs cycle
21. Develops from the morula as a thin layer of cells surrounding an internal cavity.
Morula
Blastula
Alveoli
Isotonic Conditions
22. Is the control of protein synthesis. Genetic traits are expressed and specialization of cells occur as a result of the combination of proteins produced by the DNA of a cell.
Recycled environmental factors
The primary role of DNA in the cell
Protista
Ecotone
23. The large brain and upright posture of Homo Sapiens...
Carrying capacity
The cell membrane
A prosthetic group
Did not evolve together
24. 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
R-selection
Phosphorous
Mesozoic era
Imprinting
25. Biotic (living) factors such as population and food source - and abiotic (non-living) factors such as weather - temperature - soil features - sunlight).
Meristem tissue
Gnathostomata
Anabolism
The habitat of an organism includes
26. Are formed when the plasma membrane of a cell encloses a molecule outside the membrane - then releases a membrane bound sack containing the desired molecule into the cytoplasm. This process allows the cell to absorb molecules that are larger in size
Arthropoda
Internodal tissue
Lysis
Endocytic vesicles
27. Where protein synthesis occurs. They float unattached in the cytoplasm. They contain RNA that is specific to their function in protein formation.
The Nitrogen cycle
Precambrian period
Chlorophyll
Free ribosomes
28. When stems bend toward the light it is due to _____________ the hormone auxin - in response to light - migrates from the light to the dark side of the shoot tip. The cells on the dark side now contain more auxin - which causes the cells on that side
Mesoderm
Hemophilia
Phototropism
Aves
29. Allows for the genetic code to be preserved in future generations of cells.
Genetic screening
The cuticle
DNA replication
Kingdom Fungi
30. Produce seeds without flowers. They include conifers (cone-bearers) and cycads.
Cenozoic era
Gymnosperms
Porifera
Enzymes catalyze reactions
31. Refers to the birthrate of a population.
Internodal tissue
Hemophilia
Phyla
Natality
32. Enzymes are usually __________ to certain reactions.
Saprophytic
Population
Phosphorous
Very specific
33. Occurs when an individual from an adjacent population of the same species immigrates and breeds with a member of a previously locally isolated group - resulting in a change in the gene pool.
Gene Migration
Saprophytic
Prothallus
Phototropism
34. Covalent bonds
Share electrons
Internodal tissue
Aganatha
Genetic maintenance
35. Is a protein - which is a polymer of amino acids. They generally have the suffix -ase- like lactase.
Lactose
Chimpanzees
An enzyme
Gymnosperms
36. Super-class of vertebrae including organisms with jaws.
A lysosome
So it can be used over and over again.
Gnathostomata
The cell's 'powerhouses'
37. The transfer of electrons.
So it can be used over and over again.
Stomach secretions
A prosthetic group
Ionic bonds involve
38. Contains the chromosomes and is the site of reproduction through mitosis and meiosis.
Chlorophyll has the ability to
The Hardy-Weinberg Law of Equilibrium
The nucleus
Parenchyma tissue
39. Developed by the German scientists Schleiden and Schwann - States that all living things are made of cells - cells are the basic units of life - all cells come from pre-existing cells.
Carrying capacity
An inhibitor
The Cell Theory
Vitamin C
40. Is the period when the cell is active in carrying on the function it was designed to perform within the organism. Cells spend much more time in interphase than in cell division.
Genetic screening
Niche
Interphase
Population
41. 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.
Kingdom Plantae
Fixed Action Pattern (FAP)
Prosthetic groups
A prosthetic group
42. Some patrol the blood for antigens - but are also equipped to destroy antigens. They may regulate immune responses as well.
Precambrian period
T Cells
Gene Migration
Anabolsim
43. The part of the earth that contains all living things - including the atmosphere (air) - the lithosphere (earth) - and the hydrosphere (water).
The primary role of DNA in the cell
Larynx
Biosphere
Stem tissues
44. Is an ion that binds to an enzyme making it more able to catalyze a reaction.
Aganatha
The evolution leading to Homo Sapiens...
A prosthetic group
A sex linked recessive disease
45. Is a coenzyme required in the synthesis of collagen.
Gametogenesis
Pi
Vitamin C
Did not evolve together
46. Is made of stacked cells connected by sieve plates that allow nutrients to pass from cell to cell. They transport food made in the leaves (by photosynthesis) to the rest of the plant).
Phloem tissue
Larynx
Interphase
The Cambrian Period
47. The total amount of genetic information available for a given species.
Very specific
Genome
Mature sporophyte
Chromosome
48. Is the earliest period of the Paleozoic era. Began with the Cambrian explosion - this explosion of life resulted in the representatives of most of the modern phyla being present.
The Cambrian Period
The cell membrane (plasma membrane)
Aganatha
Destroy most enzymes
49. Plants that produce flowers as reproductive organs. They have two divisions - monocots and dicots.
Enzymes catalyze reactions
Angiosperms
Phloem tissue
Cell walls
50. Cleave strands of DNA segments at certain sites.
Carbon
Restriction enzymes
Morula
Precambrian period
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