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Quiz von nanayamase, aktualisiert more than 1 year ago
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Erstellt von nanayamase
vor etwa 8 Jahre
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Frage 1
Frage
When a specific molecule of DNA is analyzed, it is found that 20% of the bases are Adenine, therefore, which statement below must be true:
Antworten
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30% of the bases must be Cytosine
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30% of the bases must be Thymine
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20% of the bases must be Guanine
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None of the above statements are accurate
Frage 2
Frage
Which is NOT a Phylum in Kingdom Eubacteria?
Antworten
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Phylum Chlorophyta
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Phylum Prochlorophyta
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Phylum Cyanobacteria
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Phylum Cyanophyta
Frage 3
Frage
What is the second stage found in the development of cancer?
Antworten
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Initiation
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Progression
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Promotion
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Succession
Frage 4
Frage
Which of the following are not a difference in RNA and DNA?
Antworten
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different sugars in sugar-phosphate backbone
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using different pyrmidines
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length
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structure
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none of the above
Frage 5
Frage
Each strand of DNA is a chain of:
Antworten
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nucleotides
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nucleotide polymers
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nucleotide monomers
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polymers
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monomers
Frage 6
Frage
How many different amino acids are found in the proteins of living things?
Antworten
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15
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20
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30
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25
Frage 7
Frage
Which of the following was not De Lemark's theories?
Antworten
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Having the will to change will result in change
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the earth is old
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those who are no longer used disappear
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developed traits are passed onto offspring
Frage 8
Frage
Two hump and one hump camels are the result of:
Antworten
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convergent evolution
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adaptive radiation
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geographic isolation
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divergent evolution
Frage 9
Frage
What is the type of formation of species that is found in squirrels of the Grand Canyon?
Antworten
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geographic isolation
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allopatric speciation
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sympatric speciation
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a and b
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a and c
Frage 10
Frage
What are the two immune system reactions called?
Antworten
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first line immune system and second line immune system
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innate immune system and acquired immune system
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innate immune system and acquired immune response
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b and c
Frage 11
Frage
Which of the following are exotoxins?
Antworten
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Clostridium botulinium
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Clostridium difficile
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Clostridium diptheriae
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none of the above
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all of the above
Frage 12
Frage
What is Bacillus thuringiensis?
Antworten
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It is a chemical for fermenting compounds
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It is a bacteria to break down sewage into carbon and nitrogen for fertilizer use
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It is agricultural bacteria for farming
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It is genetically modified bacteria used to break down pollutants
Frage 13
Frage
What are the three components required for optimal growth in bacteria?
Antworten
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moisture, warmth, air
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space, moisture, warmth
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food, heat, moisture
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food, moisture, warmth
Frage 14
Frage
What is Ferroplasma acidophilum?
Antworten
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A halophile
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A hallucinogen
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A thermoacidophile
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A type of agricultural bacteria
Frage 15
Frage
A prophage can exist inside a host for a period of time in:
Antworten
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Binary fission
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lysogenic cycle
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lytic cycle
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endospore
Frage 16
Frage
Which best describes Protists?
Antworten
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Multicellular eukaryotic heterotrophs
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Unicellular eukaryotic heterotrophs
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Multicellular prokaryotes
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unicellular eukaryotes
Frage 17
Frage
Which is not a characteristic of the African Sleeping Sickness?
Antworten
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It attacks the brain
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It is caused by a trypanosome
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It is carried by an anopheles mosquito
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It's symptoms include chills, fever and lethargy
Frage 18
Frage
Which of the following is not a gymnosperm?
Antworten
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cycads
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conifers
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ginkgoes
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monocots
Frage 19
Frage
Which best describes "Double Fertilization" that gives rise to a SEED?
Antworten
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A haploid sperm unites with a haploid polar cell to form a diploid endosperm, while another haploid sperm unites with a diploid egg to form a triploid zygote
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A diploid sperm unites with a haploid polar cell to form a triploid endosperm, while another haploid sperm unites with a haploid egg to form a diploid zygote
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A haploid sperm unites with a haploid polar cell to form a diploid endosperm, while another diploid sperm unites with a haploid egg to form a triploid zygote
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A haploid sperm unites with a diploid polar cell to form a triploid endosperm, while another haploid sperm unites with a haploid egg to form a diploid zygote
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none of the above
Frage 20
Frage
Which of the following are a naked seed?
Antworten
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angiosperm
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monocot
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pteridophytes
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dicots
Frage 21
Frage
Which class does Astrophyton muricatum go in?
Antworten
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Class Crinoidea
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Class Ophiuroidea
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Class Asteroidea
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Class Holothuroidea
Frage 22
Frage
Why do starfish not have a brain?
Antworten
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Because it doesn't need one
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Because it is radial
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Because it has nerve nets
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Because it has a ring nerve
Frage 23
Frage
What is an organism in Subclass Copepoda?
Antworten
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pill bugs
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sea ticks
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sea lice
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barnacles
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does not have one
Frage 24
Frage
Flatworms have
Antworten
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no coelom
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true coeloms
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false coelom
Frage 25
Frage
Which are mollusks?
Antworten
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Deuterosome
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Protosome
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neither
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