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- 1. Multiple ChoiceWhat is the function of a plasmid?The site of respiration in prokaryotesThe site of photosynthesis in eukaryotesThe site of protein synthesis in prokaryotes and eukaryotesThe site of hereditary material in prokaryotes
- 2. Multiple ChoiceWhich cell structure is correctly paired with its primary function?ribosome - movementmitocondrion - energy productionvacuole - cell divisionnucleus - storage of nutrients
- 3. Multiple ChoiceA chromatid is attached to a spindle fiber by thecentriolecleavage furrowcentromerecentriole
- 4. Multiple ChoicePancreas cells and muscle cells from the same person are ______ and differ in their _____:undifferentiatied, genesdifferentiated, allelesdifferentiated, gene expressionstem cells, protein synthesis
- 5. Multiple Choice
Identify the phase of mitosis
prophase
metaphase
anaphase
telophase
- 6. Multiple ChoiceThe spreading of cancerous cells is calledmetastasiscarcinogenesisangiogenesishomeostasis
- 7. Multiple ChoiceWhich ratio limits the size of cells?The rate of metabolism to massThe surface area to volumeThe mass to volumeThe volume to surface area
- 8. Multiple Choice
Stem cells are
cells that grow uncontrollably
undifferentiated and can form any type of cell
never go through cell division
only found in embryos
- 9. Multiple ChoiceWhy were mitochondria and chloroplasts once believed to be prokaryotic organisms?They both contain ribosomes and a plasma membrane.They both contain their own DNA and reproduce by binary fission.They both contain DNA found in modern bacteria and reproduce sexually.They both contain their own nuclei and plasma membranes.
- 10. Multiple ChoiceWhich is Prophase?AFCA & F
- 11. Multiple ChoiceWhich process requires protein but not ATP?simple diffusionfacilitated diffusionendocytosisactive transport
- 12. Multiple ChoiceA electronmicrograph of a tissue is accompanied by a scale bar which represents 1 µm. The scale bar is 10 mm long. What is the magnification of this electronmicrograph?10X1,000X10,000X1,000,000X
- 13. Multiple ChoiceName the structure that forms at the end of telophase in a plant cellCell wallCleavage FurrowCell PlateSpindle fibers
- 14. Multiple Choicethe uncontrolled division of cells that results in malignant growthtissuescancermitosisanaphase
- 15. Multiple Choice
The stage where chromosomes condense and the nucleus is visible
Prophase
metaphase
anaphase
Telephase
- 16. Multiple ChoiceStem cells can be obtained fromembryossome adult tissuesumbilical cord bloodall of the above
- 17. Multiple ChoiceThe longest phase of the cell cycleprophaseinterphasemetaphasemitosis
- 18. Multiple ChoiceThe width of a human hair is 0.1 mm. What is the width in μm?10 μm100 μm1000 μm10 000 μm
- 19. Multiple ChoiceWhich statement is part of the cell theory?Cells are composed of organic moleculesCells have DNA as their genetic materialCells have cytoplasm surrounded by a membraneCells come from pre-existing cells
- 20. Multiple ChoiceA red blood cell is 8 μm in diameter. If drawn 100 times larger than its actual size, what diameter will the drawing be in mm?0.08 mm0.8 mm8 mm80 mm
- 21. Multiple Choice
If a cell bathed in a salt solution loses mass, the osmolarity of the cell would be ___ to the solution
hypertonic
hypotonic
equal
cannot be determined
- 22. Multiple ChoiceHow do the ribosomes of prokaryotic and eukaryotic cells differ?Their sizeTheir functionThe raw materials they utilizeThe process by which they are synthesized
- 23. Multiple ChoiceWhich characteristic applies to all prokaryote cells?They have a nucleus.They have chlorophyll.They have mitochondria.They have ribosomes.
- 24. Multiple ChoiceWhich cellular structure(s) is (are) found in both a plant cell and an animal cell?
I. Cell wall
II. Chloroplast
III. MitochondrionI onlyI and II onlyI and III onlyIII only - 25. Multiple Choice
I make ATP for the cell. What am I?
ribosome
mitochondrion
chloroplast
lysosome
- 26. Multiple ChoiceWhich of the following is not found in a prokaryotic cell?cytoplasmnuclear membraneDNAenzymes
- 27. Multiple ChoiceWhat is this?mitochondriagolgi apparatuschloroplastendoplasmic reticulum
- 28. Multiple ChoiceWhich is evidence AGAINST the Davson-Danielli membrane model?thickness of membraneasymmetric pattern from freeze fracturevisible three layers on electron micrographsanalysis of protein-phospholipid ratio
- 29. Multiple ChoiceAfter mitosis and cytokinesis, a parent cell that is 2n=14, will have produced:2 cells, 2n=142 cells, n=74 cells, 2n=144 cells, n=7
- 30. Multiple ChoiceCarbon Dioxide is in high concentration in the body cells and moves with the concentration gradient into the blood stream by this process...Facilitated DiffusionSimple DiffusionActive TransportOsmosis
- 31. Multiple ChoiceWhich process is directly responsible for production of SECONDARY tumours?metastatsisemergence of oncogenes from proto-oncogenesexposure to mutagensincreased cell division
- 32. Multiple Choice
In Stargardt's, the affected cells are NOT:
in the retina
immune cells
photosensitive
cones
- 33. Multiple ChoicePasteur's experiment provided evidence against:natural selectionspontaneous generationhomeostasisendosymbiosis
- 34. Multiple ChoiceWhich is not part of the endosymbiotic theory?symbiotic relationship between two speciesendocytosis of a prokaryoteorigin of chloroplastsorigin of the nucleus
- 35. Multiple ChoiceWhich gas was believed to be absent from early Earth's atmosphereHydrogenNitrogenOxygenCarbon
- 36. Multiple ChoiceI am a protein packaging and shipping machine! Who am I?vacuoleribosomeendoplasmic reticulumgolgi apparatus
- 37. Multiple ChoiceWhich of the following is not a function performed by a membrane protein?Hormone-binding sitesCell adhesionEnzyme synthesisPumps for active transport
- 38. Multiple ChoiceWhich of the following take(s) place during either interphase or mitosis in animal cells?
I. Re-formation of nuclear membranes
II. Pairing of homologous chromosomes
III. DNA replicationI onlyI and II onlyII and III onlyI and III only - 39. Multiple ChoiceThis picture represents what type of cell transport?endocytosisexocytosisosmosispassive transport
- 40. Multiple ChoiceThe concentration of water is higher in the soil than in plant root cells. Water moves into root cells of a plant by...Facilitated DiffusionSimple DiffusionActive TransportOsmosis
- 41. Multiple ChoiceWhat type of transport is this?facilitated diffusionactive transportdiffusionosmosis
- 42. Multiple ChoiceWhat is "g" pointing to?peripheral proteinintegral proteinfatty acid chainphospholipid
- 43. Multiple ChoiceWhich letter would be hydrophobic?habg
- 44. Multiple ChoiceWhat is "a" pointing to?glycoproteinglycolipidintegral proteinphosphate head
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