6778775
Descripción
Test por Chloe Schepers, actualizado hace más de 1 año
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Creado por Chloe Schepers
hace más de 7 años
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Pregunta 1
Pregunta
DNA is replicated during the [blank_start]synthesis[blank_end] during interphase of the cell cycle
Respuesta
-
synthesis
Pregunta 2
Pregunta
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.
Respuesta
-
special
Pregunta 3
Pregunta
a [blank_start]Dyad[blank_end] chromosome has 2 sister chromatids
Respuesta
-
Dyad
Pregunta 4
Pregunta
[blank_start]synapsis[blank_end] is the process where the homologous pairs of chromosomes come together to form a tetrid
Respuesta
-
synapsis
Pregunta 5
Pregunta
humans have [blank_start]22[blank_end] pairs of autosomal chromosomes and 2 sex chromosomes
Respuesta
-
22
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24
-
42
Pregunta 6
Pregunta
cell division takes place during the [blank_start]m-phase[blank_end]
Respuesta
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m-phase
Pregunta 7
Pregunta
homologous pairs of chromosomes carry genes for the same traits at the same loci but may carry different alleles for these genes
Respuesta
- True
- False
Pregunta 8
Pregunta
a haploid cell has half the diploid N number of chromosomes
Respuesta
- True
- False
Pregunta 9
Pregunta
the phase of the cell cycle that has primarily for growth , development and specialization is the [blank_start]interphase[blank_end] G1 Phase
Respuesta
-
interphase
Pregunta 10
Pregunta
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
Pregunta 11
Pregunta
formation of the cell plate occurs during [blank_start]cytokinesis[blank_end] in plant cells
Respuesta
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cytokinesis
Pregunta 12
Pregunta
the first phase of mitosis is [blank_start]prophase[blank_end]
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prophase
Pregunta 13
Pregunta
the dyad chromosomes are separated into monads during
Respuesta
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telophase
-
prophase
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anaphase
Pregunta 14
Pregunta
during metaphase the dyad chromosomes
Respuesta
-
line up along the metaphase plate
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the nuclear membrane breaks apart
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the nucleus disapears
Pregunta 15
Pregunta
chromosomes are captured and moved by a series of microtubulose called the [blank_start]spindle[blank_end] that cross the equator of the cell
Respuesta
-
spindle
Pregunta 16
Pregunta
the nuclear membrane reforms, chromosomes uncoil and nucleolus reappears during [blank_start]telophase[blank_end]
Respuesta
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telophase
Pregunta 17
Pregunta
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
Pregunta 18
Pregunta
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
Pregunta 19
Pregunta
the cell mass formed by the inappropriate proliferation of cells is a tumor
Respuesta
- True
- False
Pregunta 20
Pregunta
the spread of cancer cells from the primary tissue to form cancer cluster in other tissues is called metastais
Respuesta
- True
- False
Pregunta 21
Pregunta
[blank_start]mutations[blank_end] are the root cause of all cancers
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mutations
Pregunta 22
Pregunta
in the DNA a gene that causes cell proliferation is called
Respuesta
-
proto-oncogenes
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oncogenes
Pregunta 23
Pregunta
when prto-oncogenes become hyperactive due to mutations its called an
Respuesta
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oncogenes
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tumor
-
metastatis
Pregunta 24
Pregunta
genes that keep cancerous cells in check are called [blank_start]tumor[blank_end] suppressor genes
Respuesta
-
tumor
Pregunta 25
Pregunta
it takes mutations in multiple proto oncogenes and tumor supressor genes withen a cell to become cancerous
Respuesta
- True
- False
Pregunta 26
Pregunta
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
Respuesta
-
BRCA 1&2 and P53
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metastatis
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chemotherapy
Pregunta 27
Pregunta
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
Pregunta 28
Pregunta
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
Pregunta 29
Pregunta
cell division is controlled by positive and negitive growth regulators
Respuesta
- True
- False
Pregunta 30
Pregunta
5% of cancers are hereditary caused in part by mutations in [blank_start]cancer critical[blank_end] genes
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-
cancer critical
Pregunta 31
Pregunta
a [blank_start]carcinogen[blank_end] is any physical,chemical or biological agent that elevates the risk of cancer
Respuesta
-
carcinogen
Pregunta 32
Pregunta
2 viruses associated with increased cancer risks are [blank_start]bacteria[blank_end] and [blank_start]HPV[blank_end]
Respuesta
-
bacteria
-
HPV
Pregunta 33
Pregunta
[blank_start]angiogenesis[blank_end] is when blood vessels form around a tumor
Respuesta
-
angiogenesis
Pregunta 34
Pregunta
the advantage to crossing over is [blank_start]variability[blank_end]
Respuesta
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variability
Pregunta 35
Pregunta
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
Respuesta
-
prophase
Pregunta 36
Pregunta
the 2nd phase of mitosis [blank_start]metaphase[blank_end] where the spindle is completed the dyads line up along the metaphase plate
Respuesta
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metaphase
Pregunta 37
Pregunta
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
Respuesta
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anaphase
Pregunta 38
Pregunta
the 4th phase of mitosis [blank_start]telophase[blank_end] where the chromosomes uncoil the nuclear membrane reforms the nucleolus reappares cytokineses occurs
Respuesta
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telophase
Pregunta 39
Pregunta
[blank_start]meoisis 1[blank_end] lines up pairs , separating homogulous pairs and meosis 2 is just like [blank_start]mitosis[blank_end]
Respuesta
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meoisis 1
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mitosis
Pregunta 40
Pregunta
[blank_start]reduction[blank_end] division reduces the number of chromosomes
Respuesta
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reduction
Pregunta 41
Pregunta
Xy is a [blank_start]male[blank_end]
Respuesta
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male
Pregunta 42
Pregunta
XX is a [blank_start]female[blank_end]
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female
Pregunta 43
Pregunta
humans have [blank_start]22[blank_end] autosomal pairs, [blank_start]2[blank_end] sex chromosomes which is [blank_start]46[blank_end] total
Respuesta
-
22
-
2
-
46
Pregunta 44
Pregunta
in human cells, the N is [blank_start]half[blank_end] the number of haploid cells which is 23
Respuesta
-
half
Pregunta 45
Pregunta
in human cells the [blank_start]2N[blank_end] is 46 diploid cells
Respuesta
-
2N
Pregunta 46
Pregunta
cytokinesis in plant cells use a [blank_start]cell plate[blank_end]
Respuesta
-
cell plate
Pregunta 47
Pregunta
cytokenisis in animals cells use a [blank_start]contractile[blank_end] protein
Respuesta
-
contractile
Pregunta 48
Pregunta
asexual reproduction is more energy effecient but sexual provides more variation
Respuesta
- True
- False
Pregunta 49
Pregunta
charachteristics of cancer cells
Respuesta
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spread
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self sufficiency
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formation of bloof vessels
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