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ASU BIO 181 EXAM 1 QUESTIONS WITH COMPLETE SOLUTIONS
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ASU BIO 181 EXAM 1 QUESTIONS WITH COMPLETE SOLUTIONS
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ASU BIO 181 EXAM 1 QUESTIONS WITHCOMPLETE SOLUTIONS
The5association5of5ribosomes5with5_____5invaginations5would5support5the5_____5theory.
5-5ans--✔✔membrane,5endomembrane
After5a5cell5is5pancake5shaped5in5a5cell5culture5dish,5the5order5of5events5that5occurs5as5a5
cell5walks5is?5-5ans--✔✔filapodia,5lamellipodia,5cell5muscle,5retraction5fiber
T/F5It5is5presumed5that5the5peroxisomes5evolved5in5these5primitive,5proto-
eukaryotes5to5remove5oxygen,5which5was5toxic5to5the5primitive5cells.5-5ans--✔✔true
T/F5In5an5extant5prokaryotic5cell5the5outer5boundary5of5life5is5the5capsule.5-5ans--✔✔false
T/
F5When5cancer5cells5are5crowded5by5surrounding5cells,5the5cancer5cells5become5spheric
al5and5they5can5still5go5through5cell5division.5-5ans--✔✔true
T/F5Loss5of5the5cell5wall5was5required5for5the5endomembrane5system5theory.5-5ans--
✔✔true
T/F5Fluorescence5microscopy5is5form5of5light5microscopy5-5ans--✔✔true
T/F5Loss5of5the5cell5wall5is5required5for5the5endosymbiotic5theory.5-5ans--✔✔true
T/F5TEM5provides5a5thin,5two-dimensional5section5of5the5object5being5studied.5-5ans--
✔✔true
T/F5The5sytoskeleton5enabled5the5primitive5cell5to5become5motile.5-5ans--✔✔true
T/F5the5ancient5earth5did5not5contain5much5oxygen5-5ans--✔✔true
A5normal5cell5is5_____5and5____5for5growth.5-5ans--✔✔mortal,5anchorage5dependent
, T/
F5Ribosomes5bound5to5some5of5the5membrane5invaginations5in5the5endomembrane5the
ory5-5ans--✔✔true
T/F5the5cytoskeleton5gave5rise5to5the5nuclear5envelope5-5ans--✔✔false
What5limits5how5big5a5cell5can5be?5-5ans--✔✔the5surface5area5to5volume5ratio
T/F5DNA5in5extant5prokaryotic5cells5is5circular.5-5ans--✔✔True
Why5did5Motility5improved5the5fitness5of5these5early5cells?5-5ans--
✔✔it5allowed5them5to5move5away5from5predators5and5towards5food
T./
F5the5end5of5the5retraction5fiber5touching5the5cell5culture5plate5still5contains5the5cell5equiv
alent5of5super5glue.5-5ans--✔✔true
T/F5the5presumed5first5step5in5the5transition5of5the5primitive,5proto-
prokaryotic5cell5into5the5primitive,5proto-eukaryotic5cell5was5the5loss5of5the5cell5wall.5-
5ans--✔✔true
1n5order5to5examine5cells5which5are5smaller5than5can5be5detected5by5the5human5senses5
what5needs5to5be5used5?5-5ans--✔✔technology
A5cell5that5is5itself5an5organism5must5have5a5minimum5of5four5needs5presented5in5lecture
5-5ans--✔✔find5food,5find5shelter,5find5mate,5and5reproduce.
compared5to5bacteria5which5of5the5cell5types5below5are5not5responsible5for5finding5food?
5-5ans--✔✔lymphocyte,5macrophage,5and5fibroblast
T/
F5In5your5own5mulitcellular5body,5different5cells5in5your5body5have5a5division5of5labor5bet
ween5them.5-5ans--✔✔true
T/F5The5paramecium5swims5by5way5of5using5a5flagella5-5ans--✔✔false
T/F5A5normal5cell5is5anchorage-dependent5for5growth5and5mortal5-5ans--✔✔true
what5limits5the5paramecium5from5acquiring5more5complex5functions?5-5ans--
✔✔cannot5fit5anymore5biomachinery5into5its5space
comparing5a5singled5cell5eukaryotic5organism5with5a5multicellular5organism5such5as5your
self5identify5the5major5difference5from5the5list5below.5-5ans--✔✔division5of5labor
in5the5cell5biology5what5can5limit5the5progress5of5science5-5ans--✔✔technology
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