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Test your basic knowledge |
Honors Freshman Science
Start Test
Study First
Subject
:
science
Instructions:
Answer 50 questions in 15 minutes.
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.
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. Changes in the shape of a protein and the accompanying loss of its biological activity
mRNA
denaturation
Boysen-Jensen
consumption overpopulation
2. A large & relatively distinct terrestrial region that has similar climate & soil & plants & and animals regardless of where it occurs
hybrid
positive tropic response
acrosome
biome
3. The structure in the mitochondria
cristae
stamen
habituation
3' end
4. Fluid filled chamber that surrounds and protects the developing embryo in a land egg
lipid
phytochrome
spermatid
amnion
5. A stable and persistent community & is impossible to achieve because of disturbances
mortality
climax community
migration
survivorship curve
6. Moving into unoccupied niches & causes speciation
cilia
adaptive radiation
temperate forest
ovaries
7. Female part of the flower
pistil
life table
purine
macroevolution
8. A membrane where some things can go through & and others can't
vagina
semipermeable membrane
semelparous
vasectomy
9. The buildup of predator and prey strategies
evolutionary arms race
clumped dispersion
controlled burning
equilibrium
10. A form of active transport that uses energy to pump ions from the outside to the inside of a cell
interkinesis
frameshift mutation
bottom up process
sodium potassium pump
11. The young have a high probability of surviving & which the old have a much lower probability
hypothalamus
dipeptide
isotonic
type 1 survivorship curve
12. A compound in which carbon atoms are covalently bonded to one another to form the backbone of the molecule
phytochrome
biosphere
organic compound
seasonal isolation
13. A sequence of three bases that hydrogen bond with the mRNA codon by complementary base pairing
anticodon
placenta
sign stimulus
comminity
14. Both dominant or recessive
ES complex
GnRH
homozygous
FSH
15. The nuclear division that produces two nuclei containing chronosomes identical to those in the parental nucleus
endoctrine
population ecology
mitosis
cytoplasm
16. Reproductive isolation due to different mating times
ovouiviporous
seasonal isolation
hydrolysis reaction
life table
17. The buildup of predator and prey strategies
purine
gametic isolation
evolutionary arms race
intermediate disturbance hypothesis
18. The concentration of water is higher than in the other area
hypertonic
ovary
parental investment
water vacuole
19. The idea that evolution takes place in relatively short bursts of rapid change followed by long periods of stability
aposematic coloration
ecosytem
punctuated equilibrium
polymer
20. Initial shoot that comes out of the ground
coleoptile
clumped dispersion
antrhopomorphic
competitive exclusion principle
21. Original cell that forms egg
biogenesis
termination sequence
megasporocyte
meiosis 1
22. Individual & population & community & ecosystem & landscape & biosphere
biological organization
parasitism
thigmotropism
intrinsic rate of increase
23. Where sperm is stored
epididymis
human demographics
behavior
hydrophobic
24. A symbiotic relationship in which the parasite benefits which the host is harmed
urethra
parasitism
DNA replication
autotroph
25. Used for long term energy storage & cell membranes & padding and insulation & and steroids & soluble in nonpolar solvents and relatively insoluble in water
hybrid
sodium potassium pump
CDK
lipid
26. The change in species composition produced at ecotones
microtubule
gamete
territoriality
edge effect
27. Cold & dry & permafrost & treeless & short growing season
lagging strand
tundra
estrogen
endosymbiotic theory
28. AUG
parasitism
semipermeable membrane
Law of Independent Assortment
start codon
29. Figured out that the hormone that made plants bend was on the opposite side from the light
oviduct
Boysen-Jensen
anticodon
keystone species
30. A plant structural compound
cellulose
abiogenesis
lysis
ecology
31. Going from areas of low to high concentration & goes against the concentration gradient & requires cell energy
active transport
denaturation
tropic response
intraspecific competition
32. The strand of DNA that is always growing away from the replication fork & so only short pieces can be synthesized
monogamy
cyclin
altruism
lagging strand
33. Provides structure for the cell
home range
hydrocarbon
cell wall
microsporocyte
34. A phospholipid bilayer in which the layers are oriented towards each other and there are proteins on the outside of and in between the layers
fluid mosaic model
dominant species
fundamental niche
GnRH
35. Up or down
gene flow
energy flow
primary growth
gated channel
36. Active at nigh
nocturnal
monogamy
resource partitioning
semiconservative replication
37. Daily & 24 hour cycles of activity
circadian rhythms
equilibrium
meiosis 2
crepuscular
38. Reproductive isolation due to different habitats in the same area
hydrolysis reaction
habitat isolation
intrauterine device (IUD)
lagging strand
39. TATA
start codon
glycocalyx
exploitation competition
promoter codon
40. Makes up the cytoskeleton
allele
microtubule
producers
pinocytosis
41. When individuals in a population are spaced throughout an area in a way that is unrelated to where other are & the least common type of dispersion
random dispersion
uniform dispersion
pinocytosis
macroevolution
42. Secretes hormones that keep uterine lining thick in the event of fertilization & what the follicle turns into after fertilization
complementary
complementary
cytokinesis
corpus luteum
43. One extreme is bad and the other is good
directional selection
snRNP
endosperm
hormone
44. Holds the ovaries to the body of the uterus
sodium potassium pump
ovarian ligament
ecotone
metaphase
45. A fatty acid that contains the maximum possible number of hydrogens
saturated fatty acid
cyclin
gross primary productivity
exponential population growth
46. A piece of DNA made on the lagging strand
mitosis
Okazaki fragment
meiosis 2
Beta human chorion gonadotropic
47. Grasses and scattered trees & less precipitation than in grasslands
evolutionary arms race
savanna
microclimate
cotyledon
48. Warm & lots of rain & highest level of diversity and production
interkinesis
coleoptile
fecundity
tropical rainforest
49. A transitional zone where two or more communities meets & contains all or most of the ecological niches of the adjacent communities as well as some that are unique to the ecotone
ecotone
genotype frequency
ecosystem management
anaphase
50. Genes that tend to be inherited together
trophic level
community stability
linked genes
internal fertilization
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