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13 Cards in this Set
- Front
- Back
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What is the composition of eukaryotic cytoplasmic matrix? |
80% water (some is bound as spheres of hydrationa dn the the rest is free for osmositic processes) The pH is around neutral |
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What are the three main elements of the cytoskeleton?` |
Microfilaments (actin) Microtubules (tubulin)-Old flagella? Intermediate filaments |
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What type of endosomes are the product of liquid internaliziation? |
Pinosomes (Pins break WATER beds) |
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How big in svedberg units is the eukaryotic ribosome? |
80s |
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What are the three pieces of evidence for mitochondria being descendants of bacteria? |
They have 70s ribosomes, they have covalently closed circular DNA, and they replicate vi binary fission! |
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Why do some suspect that microtubules are similar to flagella? |
They are in a helical arrangement and hollow |
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Where are lipids synthesized? |
Smooth endoplasmic reticulum |
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Where are lysozymes synthesised? |
The golgi apparatus |
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What is the evidence that the chloroplast is an old bacteria? |
It is enclosed by 2 membranes, has covalently closed circular DNA (cccDNA) and contains procaryotic lookin ribosomes |
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What are the appendages for locomotion? |
Cilia and flaggella |
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What are the differences between bacterial and eukaryotic flagella? |
No hollow |
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What allows for the nucleus to transport out mRNA |
Pores dummy |
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What is the pellicle? |
Rigid layer beneath plasma membrane of protozoa (gives shape to organism) |
