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Envelope

Envelope

1. (Science: virology) lipoprotein outer layer of some viruses derived from plasma membrane of the host cell.

2. (Science: microbiology) The plasma membrane and cell wall complex of a bacterium.


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

For those who don't know, some viruses have membrane-like structures called "envelopes". http://en.wikipedia.org/wiki/Viral_envelope I don't know what distinguishes a membrane from an envelope.

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by wildfunguy
Thu Oct 17, 2013 10:57 pm
 
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 11258

Help please with viruses?

... – strand DNA viruses that infect the kidneys. Your life cycle should be as complete as possible, and include information such as: Does it have an envelope? How big is its genome? How many copies of the genome in its capsid? Does the capsid contain any enzymes? How does the virus enter the host ...

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by leongs04
Tue Jul 24, 2012 4:13 am
 
Forum: Microbiology
Topic: Help please with viruses?
Replies: 2
Views: 2715

Vaccine for HIV

... vaccination approaches that have been successful in the control of various viral diseases by priming the adaptive immunity to recognize the viral envelope proteins have failed in the case of HIV-1. Some have stated that an HIV vaccine may not be possible without significant theoretical advances. ...

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by suzidoc8
Mon Jul 23, 2012 2:47 pm
 
Forum: Microbiology
Topic: Vaccine for HIV
Replies: 1
Views: 7860

Re: help please 1

... The protein lattice called the nuclear lamina- What do they mean by lattice in this case? - The nuclear pore complexes that perforate the nuclear envelope- What do they mean by perforate in this case? - Peroxisomes- They carry out a wide range of reactions including detoxification of oxygen radicals- ...

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by Stephen1993
Wed Feb 22, 2012 11:19 pm
 
Forum: Cell Biology
Topic: help please 1
Replies: 9
Views: 7261

Please Help with Homework (fairly easy questions)

... a human intestine. D) cell in a potato skin. C) 10. The boundary that surrounds the contents of the nucleus is the A) plasma membrane. B) nuclear envelope. C) nuclear pore. D) cytosol. B) 11. The smooth endoplasmic reticulum A) is the site for manufacture of lipids destined for other cellular ...

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by billyfisher100
Wed Feb 15, 2012 6:46 pm
 
Forum: General Discussion
Topic: Please Help with Homework (fairly easy questions)
Replies: 6
Views: 38029
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