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Bio 181 ASU Exam 1 Questions and Correct Answers the Latest Update and Recommended Version $11.49   Add to cart

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Bio 181 ASU Exam 1 Questions and Correct Answers the Latest Update and Recommended Version

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  • Bio 181

Primitive prokaryote cell evolved into_________ • pro-eukaryotic cell Eukaryote • single celled organism Paramecium • distant ancestor of our cells, limited by # of biomolecular machines within itself What does a paramecium use cilia for? • to move What was the precursor to our kidn...

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  • October 21, 2024
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  • Bio 181
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Bio 181 ASU Exam 1 Questions and
Correct Answers the Latest Update and
Recommended Version
Primitive prokaryote cell evolved into_________


• pro-eukaryotic cell


Eukaryote

• single celled organism


Paramecium

• distant ancestor of our cells, limited by # of biomolecular machines within itself


What does a paramecium use cilia for?

• to move


What was the precursor to our kidneys?


• contractile vacuole


SEM(Scanning Electron Microscopy)

• cannot view living cells


What can parameciums o as a defense technique against predators?

• they can shed their cilia


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Cells "walk" with ______ and ________

• lamelipodium an fillapodium


How do you distinguish the front and the back of the cell?

• the front has lamelipodium and filapodium, the back has retraction fibers


Focus


• clump of cancer cells


Phase Contrast Microscopy

• can watch living cells move, light microscopy


Retraction Fiber

• the first lamelipodia, stretches until it breaks and then releases cytoplasm and is
reabsorbed into the cell


How can a cell stretch their parts so extensively?


• elasticity and the plasma membrane


Normal cells are anchorage-_______________

• dependent


Cancer cells are anchorage-________________

• independent


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