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  Topic: Biology @ Coastal Carolina & UNCW, Lou FCD Goes to School< Next Oldest | Next Newest >  
J-Dog



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(Permalink) Posted: Nov. 24 2008,14:53   

Total congrats Dude!  I can't wait for you to transfer to Johns Hopkins, or Lehigh!

There would be a book, maybe a mini-series with making both Sal and Behe cry, I think.

SRSLY - rock on

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Come on Tough Guy, do the little dance of ID impotence you do so well. - Louis to Joe G 2/10

Gullibility is not a virtue - Quidam on Dembski's belief in the Bible Code Faith Healers & ID 7/08

UD is an Unnatural Douchemagnet. - richardthughes 7/11

  
Lou FCD



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(Permalink) Posted: Nov. 24 2008,19:56   

Quote (keiths @ Nov. 24 2008,15:35)
Regarding the PASS program:  since you plan a career in teaching, this will be excellent practice!

That was kind of my thought, too. Sort of an early warm up.

I hope it goes through.

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Lou FCD is still in school, so we should only count him as a baby biologist. -carlsonjok -deprecated
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Lou FCD



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(Permalink) Posted: Nov. 24 2008,19:56   

Quote (J-Dog @ Nov. 24 2008,15:53)
Total congrats Dude!  I can't wait for you to transfer to Johns Hopkins, or Lehigh!

There would be a book, maybe a mini-series with making both Sal and Behe cry, I think.

SRSLY - rock on

I love the way your mind works.

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Lou FCD is still in school, so we should only count him as a baby biologist. -carlsonjok -deprecated
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Lou FCD



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(Permalink) Posted: Nov. 25 2008,15:04   

Just got the phone call I've been waiting on.


...I got the job.

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Lou FCD is still in school, so we should only count him as a baby biologist. -carlsonjok -deprecated
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khan



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(Permalink) Posted: Nov. 25 2008,15:15   

Quote (Lou FCD @ Nov. 25 2008,16:04)
Just got the phone call I've been waiting on.


...I got the job.

That's great.

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"It's as if all those words, in their hurry to escape from the loony, have fallen over each other, forming scrambled heaps of meaninglessness." -damitall

That's so fucking stupid it merits a wing in the museum of stupid. -midwifetoad

Frequency is just the plural of wavelength...
-JoeG

  
Lou FCD



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(Permalink) Posted: Nov. 25 2008,15:49   

Quote (khan @ Nov. 25 2008,16:15)
That's great.

Thank you, Khan.

I'm rather excited about the opportunity.

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Lou FCD is still in school, so we should only count him as a baby biologist. -carlsonjok -deprecated
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Henry J



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(Permalink) Posted: Nov. 25 2008,16:06   

Hi ho, hi ho, it's off to work ya go...

  
Lou FCD



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(Permalink) Posted: Nov. 25 2008,16:26   

I'm suddenly apprehensive about it, Henry. I haven't worked since the accident six years ago. I hope my body holds up.

On the upside, whenever I fill out any kind of form for anything, it always asks about my employment status. There's never a spot that says, "useless cripple", so I always have to answer "unemployed", though sometimes, just for fun, I put "retired". :)

It's always a crappy feeling to put "unemployed". Makes me feel rather ... uh... crappy...

Of course, now nobody will ever ask again...

bastards.

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Lou FCD is still in school, so we should only count him as a baby biologist. -carlsonjok -deprecated
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Texas Teach



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(Permalink) Posted: Nov. 25 2008,17:10   

Quote (Lou FCD @ Nov. 25 2008,16:26)
I'm suddenly apprehensive about it, Henry. I haven't worked since the accident six years ago. I hope my body holds up.

On the upside, whenever I fill out any kind of form for anything, it always asks about my employment status. There's never a spot that says, "useless cripple", so I always have to answer "unemployed", though sometimes, just for fun, I put "retired". :)

It's always a crappy feeling to put "unemployed". Makes me feel rather ... uh... crappy...

Of course, now nobody will ever ask again...

bastards.

I had similar work as an undergrad chem major helping with lab classes.  I spent a couple of weeks navigating the tiny spaces in the lab between students on crutches after injuring my ankle.   Not because I needed the money, but because I loved the work.  They couldn't keep me away.  It made me a much better TA when I got to grad school, and that lead me to my career teaching.  You'll do fine.  Be kind, be patient, be knowledgeable, and be willing to say "I don't know, but I'll find out".

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"Creationists think everything Genesis says is true. I don't even think Phil Collins is a good drummer." --J. Carr

"I suspect that the English grammar books where you live are outdated" --G. Gaulin

  
JohnW



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(Permalink) Posted: Nov. 25 2008,17:39   

Quote (Texas Teach @ Nov. 25 2008,15:10)
Be kind, be patient, be knowledgeable, and be willing to say "I don't know, but I'll find outGoddidit".

Fixed that for you.

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Math is just a language of reality. Its a waste of time to know it. - Robert Byers

There isn't any probability that the letter d is in the word "mathematics"...  The correct answer would be "not even 0" - JoeG

  
carlsonjok



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(Permalink) Posted: Nov. 25 2008,17:46   

Quote (Texas Teach @ Nov. 25 2008,17:10)
Be kind, be patient, be knowledgeable, and be willing

But don't Behe.

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It's natural to be curious about our world, but the scientific method is just one theory about how to best understand it.  We live in a democracy, which means we should treat every theory equally. - Steven Colbert, I Am America (and So Can You!)

  
Spottedwind



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(Permalink) Posted: Nov. 26 2008,09:25   

Quote (Lou FCD @ Nov. 25 2008,16:04)
Just got the phone call I've been waiting on.


...I got the job.

Work has picked up the past few weeks, so I haven't been able to check in (DT left UD?!?!), but this is awesome news to return to.  The exam, the PASS, all of it, congrats!

Now if you could just spread a little of that luck around, that'd be great  ;)

Seriously though, you've earned what you've worked for and I hope that it turns out great.

  
Lou FCD



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(Permalink) Posted: Nov. 26 2008,16:36   

Thanks all, I'll see what I can do about spreading some of the luck, though I'd better keep some in reserve for the time that makes up most of my life.

:)

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Lou FCD is still in school, so we should only count him as a baby biologist. -carlsonjok -deprecated
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Lou FCD



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(Permalink) Posted: Dec. 14 2008,17:25   

Final Exam tomorrow morning at 8. Lab at 11 with a final test (as opposed to a Final Exam).

I hope to go back and finish this series beginning next weekend, after my final Final.

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Lou FCD is still in school, so we should only count him as a baby biologist. -carlsonjok -deprecated
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Texas Teach



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(Permalink) Posted: Dec. 14 2008,17:56   

Quote (Lou FCD @ Dec. 14 2008,17:25)
Final Exam tomorrow morning at 8. Lab at 11 with a final test (as opposed to a Final Exam).

I hope to go back and finish this series beginning next weekend, after my final Final.

Good luck on the test.  I'm looking forward to seeing more of your reports, they've been missed.

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"Creationists think everything Genesis says is true. I don't even think Phil Collins is a good drummer." --J. Carr

"I suspect that the English grammar books where you live are outdated" --G. Gaulin

  
Lou FCD



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(Permalink) Posted: Dec. 15 2008,12:40   

Thanks TT.

I got a 94 on the final. I'd love to just wallow in the wave of relief, but precalc final looms at 5 tonight.

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Lou FCD is still in school, so we should only count him as a baby biologist. -carlsonjok -deprecated
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jeffox



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(Permalink) Posted: Dec. 20 2008,14:21   

It's too soon to know my scores, (or my overall grades) but I finished all my finals yesterday.  I feel that I didn't do too good on my Precalc or my Intro to Archeology finals, but I think I did pretty well on Min/Pet.

Right now, I expect C/B+/B respectively.  We'll see.

I am set up completely for next semester, and that will begin in one month.

I trust that you were all A's/4.0, right Lou?  

Or, maybe like me, that you feel that you learned a lot & had fun.  Best of luck to you next semester, too!

  
olegt



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(Permalink) Posted: Dec. 20 2008,14:41   

Lou,

Congrats on the successful end of the semester and on the new job!

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Lou FCD



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(Permalink) Posted: Dec. 20 2008,15:40   

Quote (jeffox @ Dec. 20 2008,15:21)
It's too soon to know my scores, (or my overall grades) but I finished all my finals yesterday.  I feel that I didn't do too good on my Precalc or my Intro to Archeology finals, but I think I did pretty well on Min/Pet.

Right now, I expect C/B+/B respectively.  We'll see.

I am set up completely for next semester, and that will begin in one month.

I trust that you were all A's/4.0, right Lou?  

Or, maybe like me, that you feel that you learned a lot & had fun.  Best of luck to you next semester, too!

:) No, I got a B in precalc. I had some struggles mid-semester and couldn't quite recover my A.

A in Spanish though (100 average and 100 on the final), A in English, and don't know yet but think I'm borderline A/B in Biology. The chem in the beginning gave me a stumble a bit and I suck at pop quizzes. Depends on their weight, I think.

Thanks Oleg.

On a quasi-good note, I got the letter the other day letting me know what courses they'll accept transfer credit for from my 2 1/2 semester stint at Marshall in the mid nineties. I didn't expect any transfer credit at all, so when they said they would give me 6 credits for my Psych and Speech classes, I was just tickled I wouldn't have to take those boring ass classes again.

I had 24 credits, but like I say, they were 12 years old. I didn't expect to get credit for any of them.

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Lou FCD is still in school, so we should only count him as a baby biologist. -carlsonjok -deprecated
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carlsonjok



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(Permalink) Posted: Dec. 20 2008,18:05   

Quote (Lou FCD @ Dec. 20 2008,15:40)
A in Spanish though (100 average and 100 on the final), A in English,

Have you decided which language you are going to learn?

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It's natural to be curious about our world, but the scientific method is just one theory about how to best understand it.  We live in a democracy, which means we should treat every theory equally. - Steven Colbert, I Am America (and So Can You!)

  
Lou FCD



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(Permalink) Posted: Dec. 20 2008,19:38   

Quote (carlsonjok @ Dec. 20 2008,19:05)
Quote (Lou FCD @ Dec. 20 2008,15:40)
A in Spanish though (100 average and 100 on the final), A in English,

Have you decided which language you are going to learn?

Yes. Portugese, because it's a mixture of French and Spanish. I took French in high school, so when I'm done with Spanish, all I have to do is mix the words together, right?


right?

(Where's AFDaveyDoodles when you need him?????

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Lou FCD is still in school, so we should only count him as a baby biologist. -carlsonjok -deprecated
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jeffox



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(Permalink) Posted: Dec. 21 2008,13:25   

Lou wrote:

Quote
:) No, I got a B in precalc. I had some struggles mid-semester and couldn't quite recover my A.

A in Spanish though (100 average and 100 on the final), A in English, and don't know yet but think I'm borderline A/B in Biology.


Nice grades!  And also congrats, and wishing you best of luck on your upcoming semesters.

BTW, I was also surprised at UWEC taking most of my credits from UMM* from back in the latter 1980s.  Accredation means something, I guess.  :)  They save me about a year-and-a-half of work.  Like you, I didn't think that they'd apply, so it's nice that they did!

*Believe it or not, TARDavison is actually correct when he's written that UMM was an old cattle school.  Of course, that was about 100 years ago.  But don't spoil the old fart's fun, eh?   :)   :p

I, myself, got laughs from my classmates when I called it, "little school on the prairie."   I was there for a pre-engineering degree, in anticipation of getting into the IT at the main "U" in the 'cities, planning on a EE.

  
Lou FCD



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(Permalink) Posted: Dec. 21 2008,14:52   

Quote (jeffox @ Dec. 21 2008,14:25)
Lou wrote:

   
Quote
:) No, I got a B in precalc. I had some struggles mid-semester and couldn't quite recover my A.

A in Spanish though (100 average and 100 on the final), A in English, and don't know yet but think I'm borderline A/B in Biology.


Nice grades!  And also congrats, and wishing you best of luck on your upcoming semesters.


Thanks, Jeff! Same to you.

 
Quote (jeffox @ Dec. 21 2008,14:25)
BTW, I was also surprised at UWEC taking most of my credits from UMM* from back in the latter 1980s.  Accredation means something, I guess.  :)  They save me about a year-and-a-half of work.  Like you, I didn't think that they'd apply, so it's nice that they did!


Dude, that totally rocks.

 
Quote (jeffox @ Dec. 21 2008,14:25)
*Believe it or not, TARDavison is actually correct when he's written that UMM was an old cattle school.  Of course, that was about 100 years ago.  But don't spoil the old fart's fun, eh?   :)   :p

I, myself, got laughs from my classmates when I called it, "little school on the prairie."   I was there for a pre-engineering degree, in anticipation of getting into the IT at the main "U" in the 'cities, planning on a EE.


Heh, then he probably remembers that.

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Lou FCD is still in school, so we should only count him as a baby biologist. -carlsonjok -deprecated
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Marion Delgado



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(Permalink) Posted: Dec. 21 2008,16:01   

In your PASS program, I hope you remember to teach the controversy, Lou. Don't just teach intelligent design, teach the Davisonian counter-theory.

  
Lou FCD



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(Permalink) Posted: Dec. 21 2008,19:07   

Quote (Marion Delgado @ Dec. 21 2008,17:01)
In your PASS program, I hope you remember to teach the controversy, Lou. Don't just teach intelligent design, teach the Davisonian counter-theory.

I got that one down pat:

Goddidit. Then he died.

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Lou FCD



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(Permalink) Posted: Dec. 22 2008,13:30   



My notes and thoughts from Biology 111, for Wednesday, September 24, 2008. The entire series can be found here.

Forgive the delay in this, the next installment of the series. At about this point in the semester, the workload and involvement in school just took off, and I needed to devote as much time as possible to homework and studying.

When last we left off, we had just begun a quick tour of the eukaryotic cell and its structures. We'd gone over the Nucleus and the Ribosomes, and some of the membrane-bound organelles like the Endoplasmic Reticulum (or ER), the Golgi Apparatus (or GA), and the Lysosomes.

We'll pick it up here with number 7, the Mitochondria (another membrane-bound organelle), and we'll go into more depth when we get to Chapter 9.

The mitochondria are sites of aerobic respiration. Recall that C:H bonds have a high potential energy because of the maximum distance of electrons from the nuclei of the Carbon and Hydrogen atoms. In other words, the electrons they share equally are midway between the C and the H.

So to get energy, a eukaryote (like a human, for instance) eats sugar and breathes air. In the air, there is Oxygen. What aerobic respiration does is take the energy out of the C:H bonds in the sugar by combining it with oxygen. The chemical reaction goes like this:

C6H12O6 + 6O2 ---> 6CO2 + 6H2O

What does that mean? Well, to each molecule of hexose (a sugar with 6 Carbons), six Oxygen atoms are added. Now, all those atoms have to go somewhere, they don't just disappear. By rearranging the atoms into six Carbon Dioxide molecules and six water molecules (both polar molecules, meaning the electrons are closer to one atom than the other), the mitochondria lower the potential energy of the molecules. But that energy also has to go somewhere, it also doesn't just disappear. (First Law of Thermodynamics, remember?) Where does it go? Well, the body uses it to do stuff, like make your muscles contract!

In fact, most of the energy our bodies use comes from this very reaction. The mitochondria are the body's power plant. This is pretty cool, especially since the mitochondria is just an infection, really.

What?

Well, not exactly, but yeah. It turns out that way back in the day, millions of years ago, probably before Ronald Reagan was born even, what is now your body's power plant was a bacterium. Remember when we discussed some of the differences between prokaryotic cells and eukaryotic cells? Let's put that table back up, since it's been a while.

The Two Basic Cell Types

Prokaryotic                                     Eukaryotic

circular*          Chromosomes            linear*
usually 1                                         many
in cytoplasm                                    in nucleus

70s**               Ribosomes               80s**</td>


not present     Membrane Bound        present</td>
                      Organelles

1 - 10 µm            Size                    10 - 100 µm

*circular or linear: meaning the ends of the chromosome either connect or don't connect - as they are tangled up in a little ball, it is important to remember that the overall shape is not a circle or straight line

**70s and 80s are just a reference to size, with 80s being somewhat bigger than 70s



It turns out that the mitochondria has one circular chromosome, no nucleus so the chromosome is in the matrix (cytoplasm), has its own 70s ribosomes, and is the size of a prokaryote. The mitochondria probably evolved from what is known as an alpha proteobacteria by a process known as endocytosis ('endo = inside; cytosis = more than the usual number of cells'). Endocytosis occurs when a cell literally wraps itself around another cell (in this case, the proteobacterium) and sort of swallows it up. Here, the proteobacterium survived the process, and multiplied. The eukaryotic cell benefited from the power being generated by the proteobacterium, and the proteobacterium benefited from the physical protection of the eukaryotic cell. In anthropomorphic terms, the cell said, "Dude! Make me some juice and I won't let the other cells eat you, lol!"

Over the course of time, the proteobacteria gave up some of its independence, and the eukaryotic cell stopped generating its own power. They became interdependent. This relationship is termed endosymbiotic, meaning a relationship where one partner is inside the other and both partners benefit from the relationship.

This is a very cool illustration of how evolution can do the neatest things with what's around it.

Also, the mitochondria divide (by binary fission, a prokaryote technique) separately from the rest of the cell. This is yet further support for the evolution of the mitochondria from a proteobacterium. There can be little doubt that the mitochondria was at one time a prokaryote.

This leads us to number 8, Chloroplasts.

Chloroplasts are very similar to mitochondria, but are found only in plants and algae. Since plants and algae also have mitochondria, it would seem that the proteobacterial infection that led to the evolution of the mitochondria must have occurred so long ago that it was before animals and plants went their separate ways on the evolutionary bush. Not so with chloroplasts. Since we see them in plants and algae, but not other eukaryotes, we can infer that chloroplasts evolved after plants and algae split from other eukaryotes, but before they split from each other.

Now here's the really cool thing: chloroplasts work exactly the opposite from mitochondria. Instead of turning sugar and oxygen into carbon dioxide and water, chloroplasts take carbon dioxide and water, add a little energy from sunlight, and turn them into oxygen and sugar. This is how plants and algae take raw materials from the environment and store that sunlight as energy in the form of C:H bonds until they need it. When they need energy, the mitochondria reverse the chemical reaction, and voila!

So we eat plants. The plants have sunlight stored in the sugar. We eat the sugar and do exactly what the plants do with it with the exact same process! That is just totally cool.

Now, the chloroplast also has 70s ribosomes and divide independently of the cell, etc etc. They have a little bit different structure than the mitochondria though, including a thylakoid membrane (which is functionally equivalent to the matrix of the mitochondria) and stroma (which is functionally equivalent to the inner membrane space). It seems the chloroplast descended from a different bacterium, called a cyanobacterium, and also became part of the cells through endosymbiosis.

Wow. Nifty, nifty, nifty.

Ok, moving on to number 8.

8. The Cytoskeleton

The cytoskeleton is not bound by a membrane. It is a network of protein fibers that extend from the nuclear envelope to the plasma membrane. It keeps the organelles in place inside the cell, and organizes internal structures. It's very important for the ER and the GA, for instance. It also helps to support the cell and maintain the shape of the cell, as the name implies.

It also serves as a sort of train track for the transport vesicles, and the Harvard/XVIVO animation I mentioned earlier has some very good shots of transport vesicles traveling along the fibers. You should go watch Inner Life of the Cell again. (Actually, you should do that again anyway, just because it's so freaking cool.)

The cytoskeleton is made up of three types of fibers:

a) microtubules, which are basically little hollow straws

b) microfilaments, which are braided cables

c) intermediate filaments, which are big, fat cables

And this brings us to

9. Cilia and Flagella

Microtubules can sort of stick out of the cell (but not break the cell membrane which still surrounds them). They can form a long tail (a flagellum), or a bunch of them can stick out a shorter distance (cilia). A cross section of a flagellum or a cilium is exactly the same. Eight pairs of microtubules encircles one pair of microtubules. Because microtubules can contract or extend, they can create motion for the cell. When a cell uses a flagellum for locomotion, the flagellum moves like a swimming snake to produce directional motion. When a cell uses cilia, it's more like the oars of a boat.

Now, most eukaryotic cells have neither flagella nor cilia. Out of about 200 kinds of cells in the human body, only the sperm have a flagellum. The cilia appear in the reproductive tract of females. Instead of sticking out of an egg cell and swimming the egg along, however, the cilia are actually in the tract itself, and sort of "pass" the egg along. They are also found in the upper respiratory tract.

The final stop on our quick tour of the cell before we go into more depth is

10. The Cell Wall

Ok, the main thing here is not to confuse this with the plasma membrane. The cell wall is a distinct cell feature not found in all eukaryotes. It resides outside the plasma membrane in plants, algae, and fungi, but not in animals. It is somewhat rigid, unlike the plasma membrane. Mostly it helps to support and protect the cell. It is composed primarily of polysaccharides. In plants and algae, it's made of cellulose, and in fungi it's made of chitin.

In the next lecture, we pick up with the structure and function of the cell membrane.

 
Quote
From whence came the art:

The first image is of our textbook, Biology, Eighth Edition, by Campbell &amp; Reese et al.

Other images by me and are licensed under the Creative Commons Attribution- NonCommercial- Share Alike 3.0 License.


Edited by Lou FCD on Dec. 22 2008,14:33

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Henry J



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(Permalink) Posted: Dec. 22 2008,15:58   

Quote
10. The Cell Wall

Sounds like the cell walls evolved once (using cellulose) for plants & algae, and separately (using chiton) for fungi? So fungi walls

aren't homologous with plant walls. And us animals have to do without walls around our cells.

Quote
This is pretty cool, especially since the mitochondria is just an infection, really.

Either that or a bit of food that didn't get properly digested. :p

But all that aside, when will we get to the chapter on irreducible complexity? :p  :)

Henry

  
Texas Teach



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(Permalink) Posted: Dec. 22 2008,16:18   

Quote (Henry J @ Dec. 22 2008,15:58)
Quote
10. The Cell Wall

Sounds like the cell walls evolved once (using cellulose) for plants & algae, and separately (using chiton) for fungi? So fungi walls

aren't homologous with plant walls. And us animals have to do without walls around our cells.

Quote
This is pretty cool, especially since the mitochondria is just an infection, really.

Either that or a bit of food that didn't get properly digested. :p

But all that aside, when will we get to the chapter on irreducible complexity? :p  :)

Henry

You can't have just a chapter on IC.  Only an entire book on the subject is stable.

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"Creationists think everything Genesis says is true. I don't even think Phil Collins is a good drummer." --J. Carr

"I suspect that the English grammar books where you live are outdated" --G. Gaulin

  
Henry J



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(Permalink) Posted: Dec. 22 2008,17:32   

An entire book on IC? That's an ICky thought.

  
sledgehammer



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(Permalink) Posted: Dec. 22 2008,22:55   

Quote (Lou FCD @ Dec. 20 2008,19:38)
   
Quote (carlsonjok @ Dec. 20 2008,19:05)
   
Quote (Lou FCD @ Dec. 20 2008,15:40)
A in Spanish though (100 average and 100 on the final), A in English,

Have you decided which language you are going to learn?

Yes. Portugese, because it's a mixture of French and Spanish. I took French in high school, so when I'm done with Spanish, all I have to do is mix the words together, right?


right?

(Where's AFDaveyDoodles when you need him?????

Cien por ciento es muy belo, hombre.

Mixing Spanish and Portuguese might not be such a good idea.  I learned Spanish growing up in Venezuela, so when I moved to Brazil, I spoke "Espangues" for the longest time, gradually shifting to "Portanhol". It took 12 years to finally master Brazilian Portuguese.

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The majority of the stupid is invincible and guaranteed for all time. The terror of their tyranny is alleviated by their lack of consistency. -A. Einstein  (H/T, JAD)
If evolution is true, you could not know that it's true because your brain is nothing but chemicals. ?Think about that. -K. Hovind

  
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