6778775
Descrição
Quiz por Chloe Schepers, atualizado more than 1 year ago
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Criado por Chloe Schepers
mais de 7 anos atrás
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|
Questão 1
Questão
DNA is replicated during the [blank_start]synthesis[blank_end] during interphase of the cell cycle
Responda
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synthesis
Questão 2
Questão
when a cell has become so specialized that it will never reproduce, it enters the [blank_start]special[blank_end] phase of the cell cycle.
Responda
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special
Questão 3
Questão
a [blank_start]Dyad[blank_end] chromosome has 2 sister chromatids
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Dyad
Questão 4
Questão
[blank_start]synapsis[blank_end] is the process where the homologous pairs of chromosomes come together to form a tetrid
Responda
-
synapsis
Questão 5
Questão
humans have [blank_start]22[blank_end] pairs of autosomal chromosomes and 2 sex chromosomes
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22
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24
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42
Questão 6
Questão
cell division takes place during the [blank_start]m-phase[blank_end]
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m-phase
Questão 7
Questão
homologous pairs of chromosomes carry genes for the same traits at the same loci but may carry different alleles for these genes
Responda
- True
- False
Questão 8
Questão
a haploid cell has half the diploid N number of chromosomes
Responda
- True
- False
Questão 9
Questão
the phase of the cell cycle that has primarily for growth , development and specialization is the [blank_start]interphase[blank_end] G1 Phase
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interphase
Questão 10
Questão
the cell prepares for division by growing and reproducing [blank_start]centrioles[blank_end] during the G@ phase of the cell cycle
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centrioles
Questão 11
Questão
formation of the cell plate occurs during [blank_start]cytokinesis[blank_end] in plant cells
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cytokinesis
Questão 12
Questão
the first phase of mitosis is [blank_start]prophase[blank_end]
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prophase
Questão 13
Questão
the dyad chromosomes are separated into monads during
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telophase
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prophase
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anaphase
Questão 14
Questão
during metaphase the dyad chromosomes
Responda
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line up along the metaphase plate
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the nuclear membrane breaks apart
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the nucleus disapears
Questão 15
Questão
chromosomes are captured and moved by a series of microtubulose called the [blank_start]spindle[blank_end] that cross the equator of the cell
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spindle
Questão 16
Questão
the nuclear membrane reforms, chromosomes uncoil and nucleolus reappears during [blank_start]telophase[blank_end]
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telophase
Questão 17
Questão
in animal cells cytokinesis occurs when a [blank_start]contratile[blank_end] protein surrounds the cell and tightens eventually dividing the cell in two
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contratile
Questão 18
Questão
the 4 types of cancer that account for more than half of all cases
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lung
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prostate
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breast
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colon
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kidney
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stomach
Questão 19
Questão
the cell mass formed by the inappropriate proliferation of cells is a tumor
Responda
- True
- False
Questão 20
Questão
the spread of cancer cells from the primary tissue to form cancer cluster in other tissues is called metastais
Responda
- True
- False
Questão 21
Questão
[blank_start]mutations[blank_end] are the root cause of all cancers
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mutations
Questão 22
Questão
in the DNA a gene that causes cell proliferation is called
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proto-oncogenes
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oncogenes
Questão 23
Questão
when prto-oncogenes become hyperactive due to mutations its called an
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oncogenes
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tumor
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metastatis
Questão 24
Questão
genes that keep cancerous cells in check are called [blank_start]tumor[blank_end] suppressor genes
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tumor
Questão 25
Questão
it takes mutations in multiple proto oncogenes and tumor supressor genes withen a cell to become cancerous
Responda
- True
- False
Questão 26
Questão
retstrains cancerous changes in many ways detetcting damage to dna triggering repairs halting the cell cycleuntil repairs are completed and if it cant repair it triggers death
Responda
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BRCA 1&2 and P53
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metastatis
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chemotherapy
Questão 27
Questão
traditional cancer treatments are [blank_start]radiation[blank_end] and [blank_start]chemotherapy[blank_end] by killing rapidly dividing cells
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radiation
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chemotherapy
Questão 28
Questão
new therapies include [blank_start]telomerase[blank_end] activity and the use of [blank_start]antibodies[blank_end] that seek out and selctivly destroy malignent cells
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telomerase
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antibodies
Questão 29
Questão
cell division is controlled by positive and negitive growth regulators
Responda
- True
- False
Questão 30
Questão
5% of cancers are hereditary caused in part by mutations in [blank_start]cancer critical[blank_end] genes
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cancer critical
Questão 31
Questão
a [blank_start]carcinogen[blank_end] is any physical,chemical or biological agent that elevates the risk of cancer
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carcinogen
Questão 32
Questão
2 viruses associated with increased cancer risks are [blank_start]bacteria[blank_end] and [blank_start]HPV[blank_end]
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bacteria
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HPV
Questão 33
Questão
[blank_start]angiogenesis[blank_end] is when blood vessels form around a tumor
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angiogenesis
Questão 34
Questão
the advantage to crossing over is [blank_start]variability[blank_end]
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variability
Questão 35
Questão
the first stage of mitosis is [blank_start]prophase[blank_end] where chromatin coils up into dyad chromosomes and the nuclear membrane breaks apart the nucleolus disappears and the spindle starts to form
Responda
-
prophase
Questão 36
Questão
the 2nd phase of mitosis [blank_start]metaphase[blank_end] where the spindle is completed the dyads line up along the metaphase plate
Responda
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metaphase
Questão 37
Questão
the 3rd phase of mitosis is [blank_start]anaphase[blank_end] the centromere holding the two sister chromatids together splits the newly separated chromosomes are pulled to opposite poles of the cell
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anaphase
Questão 38
Questão
the 4th phase of mitosis [blank_start]telophase[blank_end] where the chromosomes uncoil the nuclear membrane reforms the nucleolus reappares cytokineses occurs
Responda
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telophase
Questão 39
Questão
[blank_start]meoisis 1[blank_end] lines up pairs , separating homogulous pairs and meosis 2 is just like [blank_start]mitosis[blank_end]
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meoisis 1
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mitosis
Questão 40
Questão
[blank_start]reduction[blank_end] division reduces the number of chromosomes
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reduction
Questão 41
Questão
Xy is a [blank_start]male[blank_end]
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male
Questão 42
Questão
XX is a [blank_start]female[blank_end]
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female
Questão 43
Questão
humans have [blank_start]22[blank_end] autosomal pairs, [blank_start]2[blank_end] sex chromosomes which is [blank_start]46[blank_end] total
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22
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2
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46
Questão 44
Questão
in human cells, the N is [blank_start]half[blank_end] the number of haploid cells which is 23
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half
Questão 45
Questão
in human cells the [blank_start]2N[blank_end] is 46 diploid cells
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2N
Questão 46
Questão
cytokinesis in plant cells use a [blank_start]cell plate[blank_end]
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cell plate
Questão 47
Questão
cytokenisis in animals cells use a [blank_start]contractile[blank_end] protein
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contractile
Questão 48
Questão
asexual reproduction is more energy effecient but sexual provides more variation
Responda
- True
- False
Questão 49
Questão
charachteristics of cancer cells
Responda
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spread
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self sufficiency
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formation of bloof vessels
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