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Cell membranes

Cell membrane

(Science: cell biology) The structure enveloping a cell, enclosing the cytoplasm and forming a selective permeability barrier.

It consists of lipids, proteins and some carbohydrates, the lipids thought to form a bilayer in which integral proteins are embedded to varying degrees.

Synonym: plasma membrane.


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A theoretical question - Genetic manipulation

... viruses from causing disease in unrelated organisms - differences in cell membranes and/or cellular metabolism.

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by Cat
Sun Dec 08, 2013 6:49 pm
 
Forum: Microbiology
Topic: A theoretical question - Genetic manipulation
Replies: 3
Views: 2218

Bacterial Taxonomy

... most common method being binary fission. They all have peptidoglycan cell walls , unlike archaea. Deeply Branching Bacteria The major phyla of ... Deinococcus-Thermus, and Aquificae. What are their cell walls and membranes like? Deinococcus has an outer membrane similar to that of Gram-negatives, ...

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by wildfunguy
Sat Oct 19, 2013 6:12 pm
 
Forum: Microbiology
Topic: Bacterial Taxonomy
Replies: 3
Views: 1547

Cell walls of Fusobacteria

Perhaps a better question is what the walls and membranes of Fusobacteria are like. Is it still basically the thick cell wall characteristic of Gram-positive bacteria? Have they developed an analogous structure resembling ...

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by wildfunguy
Fri Oct 18, 2013 4:38 pm
 
Forum: Microbiology
Topic: Fusobacteria G+C ratio
Replies: 1
Views: 595

Living or not? (viruses,viroids and prions).

... with viruses. They're no ordinary parasites, they're obligate intracellular parasites , entering inside the cells of their hosts as a requirement ... That makes them heterotrophs, but not viruses. Furthermore, they have membranes, not mere envelopes. But, considering that they aren't free living ...

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by wildfunguy
Thu Oct 17, 2013 10:20 pm
 
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 4589

cAMP 2nd Messenger Pathway and Experiments

... are indicated after each question A through E by the ---. A mutant cell line is obtained. The cell line is thought to not have adenylyl cyclase ... cyclase. The following experiments are conducted: Experiment 1: Cell membranes from cyc- cells were isolated and mixed with protein extracts from ...

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by mkay28
Tue Sep 24, 2013 10:43 pm
 
Forum: Cell Biology
Topic: cAMP 2nd Messenger Pathway and Experiments
Replies: 2
Views: 1232
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