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August 22, 2025, 01:43:03 am
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Author Topic: Definitions worth memorizing  (Read 1904 times)  Share 

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Christiano

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Definitions worth memorizing
« on: May 09, 2011, 08:56:44 pm »
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So as the title says, what definitions would be worth remembering for the exams? Off the top of my head I have:

-Osmosis
-Homeostasis
-Negative Feedback
-Signal Transduction
-Apoptosis

Let's compile a list!  :D
« Last Edit: May 10, 2011, 07:35:03 pm by Christiano »
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shinny

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Re: Definitions worth memorizing
« Reply #1 on: May 09, 2011, 08:58:14 pm »
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- Signal transduction
- Signal transduction
- Signal transduction
AND
- Signal transduction
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WhoTookMyUsername

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Re: Definitions worth memorizing
« Reply #2 on: May 09, 2011, 09:00:55 pm »
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what is your definition for signal transduction Shinny?
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jane1234

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Re: Definitions worth memorizing
« Reply #3 on: May 09, 2011, 09:02:08 pm »
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Quote from: shinny on May 09, 2011, 08:58:14 pm
- Signal transduction
- Signal transduction
- Signal transduction
AND
- Signal transduction
I'm a little confused about this definition too... Is it the process of a signalling molecule attaching to a receptor, which signals the nucleus to code for new proteins... or is it a little more general?
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shinny

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Re: Definitions worth memorizing
« Reply #4 on: May 09, 2011, 09:19:28 pm »
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The one which I have in my notes from back then is 'Signal transduction refers to the cascade of events which converts one kind of signal into another via a series of relay molecules, ultimately amplifying the signal.' Regardless of how you word it, the key components to the definition are:
1. Cascade of events or some way of indicating multiple steps occurring
(which leads to...)
2. Amplification of the original signal

Alternatively, have a look at the examiner's reports and just copy their definition. This should incorporate everything they expect though without being overly specific, since signal transduction is quite a general term.
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HERculina

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Re: Definitions worth memorizing
« Reply #5 on: May 09, 2011, 09:46:33 pm »
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do you also need to include that singal transductio happens after extracellular singalling molecule is detected by the cell
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shinny

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Re: Definitions worth memorizing
« Reply #6 on: May 09, 2011, 09:53:11 pm »
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Quote from: Hercules on May 09, 2011, 09:46:33 pm
do you also need to include that singal transductio happens after extracellular singalling molecule is detected by the cell

I guess you could. But then again, some signals are intracellular so I'd be hesitant to generalise once again. Not sure how picky they are. As I said, have a look at the examiner's report for what they expect. This question's been put on the exam multiple times - I seriously laughed when I saw it on the '08 exam.
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WhoTookMyUsername

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Re: Definitions worth memorizing
« Reply #7 on: May 10, 2011, 02:27:17 pm »
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does all signla transduction happen via relay molecules?
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shinny

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Re: Definitions worth memorizing
« Reply #8 on: May 10, 2011, 05:19:52 pm »
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Quote from: Bazza16 on May 10, 2011, 02:27:17 pm
does all signla transduction happen via relay molecules?

Yeh. It's a pretty non-specific term...
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Charmz

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Re: Definitions worth memorizing
« Reply #9 on: May 10, 2011, 07:07:56 pm »
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Apoptosis!!!!
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BoredSatan

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Re: Definitions worth memorizing
« Reply #10 on: May 11, 2011, 06:03:50 pm »
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trying to think of what i rememberd.. :P

acquired immunity vs passive immunity? i think thats later in the course

processes to remember:
cellular respiration
photosynthesis
dna replication?
immunity-1st, 2nd, 3rd line

ill update when i remember :P
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Charmz

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Re: Definitions worth memorizing
« Reply #11 on: May 12, 2011, 03:48:29 pm »
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action potential?
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