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- 1. Multiple ChoiceBefore cells can divide, what must be copied?mitochondriacytoplasmDNACell Wall
- 2. Multiple ChoiceThe division of the nucleus is known as:SynthesisMitosisG1G2
- 3. Multiple ChoiceHumans have ________ pairs of chromosomes.212346None of the above
- 4. Multiple ChoiceEukaryotic cells store their genetic information(DNA) in __________.ChromosomesCentromereskaryotypesProteins
- 5. Multiple ChoiceThe individual strands on duplicated chromosomes are called_____________CentromeresdaughtersChromatidsKaryotypes
- 6. Multiple ChoiceThe cell spends most of it's life in ________________.mitosiscytokinesisInterphaseNone of the above
- 7. Multiple ChoiceIn the G1 stage of the cell cycle, the cellGrowsMaturesCarries on normal activitiesAll of the above
- 8. Multiple ChoiceIn the S stage of interphase_______________the cell growsthe nucleus dividesthe cell membrane dividesthe DNA is replicated
- 9. Multiple ChoiceIn the G2 stage of cell division, ______________ are made.organellesstructures for cell divisionproteinsall of the above
- 10. Multiple ChoiceWhen an animal cell goes through cytokinesis,__________a cell plate forms dividing the 2 new nuclei.the cell membrane pinches off the 2 new cells.4 new cells are formed.None of the above
- 11. Multiple ChoiceA human cell has 46 chromosomes before mitotic division. How many chromosomes will the daughter cells after mitosis.12234692
- 12. Multiple ChoicePut the following stages of the cell cycle in order: G2, S, G1, M.G1, S, G2, MS, G1, G2, MG1, M, G2, SM, G1, S, G2
- 13. Multiple ChoicePut the following in order: G2, G1, S, mitosis, cytokinesis.G1, G2, S, Mitosis, cytokinesisG1, S, G2, Mitosis, cytokinesisG1, G2, S, cytokinesis, mitosisG1, S, G2, cytokinesis, mitosis
- 14. Multiple ChoiceThe phase in mitosis where chromosomes move away and are pulled apart by spindles to opposite sides of the cell.prophaseanaphasemetaphasetelephase
- 15. Multiple ChoiceWhen cells divide they make two ____ cells.daughtersonMomDad
- 16. Multiple ChoiceWhere is DNA located in the cell?golgi bodylysosomesNucleusMitochondria
- 17. Multiple ChoiceWhich of the following shows the correct order of the entire cell cycle?IMPACTIPMATCMATPICIPAMTC
- 18. Multiple ChoiceThe cell cycle involves several checkpoints. Why?To repair DNA damage.To check for glucose.To prevent dehydration.
- 19. Multiple ChoiceDuring metaphase, the chromosomesdisappearline up in the middleseparatecondense
- 20. Multiple ChoiceDuring prophasechromosomes line up in the middlechromosomes pull apart to opposite endsnuclear envelope breaks, spindle fibers formtwo new, identical cells are produced.
- 21. Multiple Choice
The picture shown representsinterphaseprophasetelophasecytokinesis - 22. Multiple ChoiceThe picture shown representstelophasemetaphaseanaphaseprophase
- 23. Multiple ChoiceThe picture shown representsanaphasemetaphaseinterphasetelophase
- 24. Multiple ChoiceThe picture shown representscytokinesistelophaseanaphasemetaphase
- 25. Multiple Choice
The center part of a chromosome, where spindle fibers attach.
chromatin
chromatid
cenrioles
centromere
- 26. Multiple Choice
Loose DNA and protein structures found in the nucleus of a cell during Interphase.
chromatin
chromosome
centromere
replicated chromosome
- 27. Multiple Choice
The process in which the cell makes an exact copy of the DNA in its nucleus.
replication
mitosis
meiosis
cell cycle
- 28. Multiple ChoiceWhich of the following is NOT a source for stem cells?umbilical cord bloodearly embryossperm and eggscertain adult tissues
- 29. Multiple ChoiceWhy might stem cell research lead to a cure for diabetes?Stem cells can be used to grow pancreas cells that produce insulin.Stem cells can create babies that have normal functioning pancreases.
- 30. Multiple ChoiceStem cells arecells that grow uncontrollably.undifferentiated and can develop into many types of cells.cells that never go through cell division.only found in embryos.
- 31. Multiple ChoiceWhat process best explains how muscle cells and nerve cells can develop from the same fertilized egg?genetic engineeringsurvival of the fittestdifferentiationselective breeding
- 32. Multiple ChoiceWhich best explains why muscle cells are different from blood cells?Muscle cells are produced by the brain, but blood cells are produced by the heart.Different genes are activated in muscle cells than in blood cells.Muscles cells experience different environmental influences than blood cells.A mutation occurs during the development of muscle cells but not in blood cells.
- 33. Multiple ChoiceWhat is the difference between embryonic stem cells and adult stem cells?Embryonic stem cells can differentiate into more cell types than adult stem cellsAdult stem cells are pluripotent, just like embryonic stem cellsAdult stem cells can differentiate into more cell types than embryonic stem cellsAdult stem cells grow bigger than embryonic stem cells
- 34. Multiple Choice
Medical research involving stem cells is important for ...
to test the effectiveness of new drugs
the generation of cells and tissues that can be used in cell based therapies
to understand the consequences of turning genes off and on
All of the above
- 35. Multiple Choice
Which phrase best describes induced pluripotent stem cells?
Adult stem cells that act like embryonic stem cells
Embryonic stem cells that act like adult stem cells
Highly specialized cells harvested from embryos
Embryonic stem cells harvested from adults
- 36. Multiple Choice
An abnormal mass/group of cancer cells is called a
tumor
cyst
lesion
polyp
- 37. Multiple ChoiceAny substance that is known to cause cancer is called acarcinogennicolytepathogenretrovirus
- 38. Multiple ChoiceA diagnostic procedure that involves removing a tissue sample from a patient.biopsylipotripsypathogenesisoncology
- 39. Multiple ChoiceUsing drugs or medicines to destroy cancer cells.chemotherapyradiation therapycancer surgerymitotic spindling
- 40. Multiple ChoiceCancer is best and fully described by ...Uncontrolled cell growthCells which grow abnormally and no longer function correctlyCells which have lost the ability to reproduceCells which create abnormal tissues
- 41. Multiple ChoiceResisting Cell Death hallmark is best described when ...When the cell blocks apoptosisWhen the cell evades the signalWhen cells grow rapidlyWhen cells evade suppressor proteins
- 42. Multiple Choice
Name of the newly fertilized egg.
Embryo
Fetus
Zygote
Blastocyst
- 43. Multiple Choice
_________ refers to a stem cell's ability to differentiate into other cell types
potency
potential
dormancy
aptitude
- 44. Multiple Choice
can become any of the three cell layers in a
developing embryo (endoderm, mesoderm, ectoderm), but not the placenta surrounding the embryo.
Totipotent
Pluripotent
Multipotent
- 45. Multiple Choice
Which cell type would divide the most rapidly?
Skin
Muscle
Nerve
- 46. Multiple Choice
The animal's digestive tract forms from the _______.
endoderm
mesoderm
ecotoderm
protostome
- 47. Multiple Choice
The middle layer of the blastocyst is the
endoderm
ectoderm
mesoderm
deuterostome
- 48. Multiple Choice
Layers of cells on the outer surface of the gastrula
ectoderm
endoderm
mesoderm
- 49. Multiple Choice
The mesoderm forms the
Bones and muscles
Urinary bladder
Skin
Glands
- 50. Multiple Choice
Which of the following sequences represents the correct order of events in the formation of a human fetus?
Zygote → Blastocyst → Embryo → Fertilization
Fertilization → Zygote → Blastocyst → Embryo
Blastocyst → Embryo → Differentiation → Zygote
Fertilization → Growth → Differentiation → Zygote
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