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Biology 18 Online
Parth (parthkohli):

What are the functions of the following?:- 1) Fluid matrix 2) Mitochondria 3) Endoplasmic reticulum 4) Golgi body 5) Lysosome 6) Ribosome

Parth (parthkohli):

Easy language -- this is not homework.

OpenStudy (anonymous):

Oh. Do you want to start, and then we can correct you?

Parth (parthkohli):

I have no idea. I am not taught this stuff. I just learnt it on my own. Though, I know that one of them is called 'suicide bag'. I don't remember which one.

OpenStudy (anonymous):

Potentially related or not related hint: "Lyso-" prefix is derived from "to lyse", which means to break.

OpenStudy (trancenova):

Maybe we could give a hint for each one? hmm

Parth (parthkohli):

Oh, so the suicide bag is lysosome, right?

OpenStudy (anonymous):

We call it euthanasia in the States.

Parth (parthkohli):

Okay, continue :)

OpenStudy (anonymous):

This organelle has its own DNA, and also happens to work the Krebb's cycle as well as the electron transport chain through electrochemical gradients between the intermembrane space and the inner membrane. Some say it's a symbiotic prokaryote.

sam (.sam.):

@badreferences That's mitochondria

Parth (parthkohli):

I see. Continue, please. What is fluid matrix? What kind of fluid does it contain?

OpenStudy (trancenova):

Lol, sam - the idea we are giving descriptions for Parth to answer :)

OpenStudy (anonymous):

I have never heard the term before. @TranceNova ? I conjecture it probably refers to the cytoplasmic fluid, for anaerobic respiration?

OpenStudy (trancenova):

Yes - I haven't either, also just assumed it is the cytoplasm.

sam (.sam.):

lol, I messed up

OpenStudy (anonymous):

There's only one solution, @.Sam. . When you mess up, you must http://en.wikipedia.org/wiki/Seppuku .

OpenStudy (trancenova):

No worries :) Though Parth given its referred to as the "matrix" what do you think this means for its function?

OpenStudy (anonymous):

I had figured "matrix" to be a ambiguously thrown-around term. Also, don't actually seppuku.

sam (.sam.):

I wouldn't do that, and I'm not japs :)

Parth (parthkohli):

Umm. Does it contain fluids for digestion?

OpenStudy (anonymous):

I'm unsure. A lot of metabolism happens in the cytoplasmic fluid. Digestion sounds extracellular, though; that belongs primarily in the stomach cavities.

OpenStudy (anonymous):

According to Wikipedia, post-digestion macromolecules are present in the cytoplasm.

OpenStudy (trancenova):

Yeah the cytoplasm does lots of things (that is it contains alot of helpful molecules) but that wasn't really what I was going for, it has one rather significant function. Think of what the "matrix" would imply.

Parth (parthkohli):

I forgot the names of the processes in the digestive system :| I am so bad at Biology. 1) Intake 2) Digestion 3) Something that started with 'C' and meant the process when the energy accumulates in the blood? 4) Excretion

OpenStudy (anonymous):

Out of luck here. I'm terrible at physiology. The only bio I did was cell/stem cell/neuro.

OpenStudy (trancenova):

Darn, I was going to leave that to you :P I don't remember any digestion stuff either - still can look it up :P

OpenStudy (trancenova):

still we haven't finished the cellular things yet lol.

Parth (parthkohli):

Oh, the one that I asked was absorption.. and now I recall the process - assimilation.

Parth (parthkohli):

It didn't start with a 'C' :P.. well continue :)

OpenStudy (anonymous):

Alright, let's move past digestion. This organelle is primarily divided into two parts. One part is responsible for protein/membrane synthesis, while the other does everything else (lipids, steroids, etc). These represent in many ways factories.

Parth (parthkohli):

Okay.

Parth (parthkohli):

Does Endoplasmic Reticulum help in the transportation of the cell?

OpenStudy (anonymous):

Transportation within the cell or movement of the cell through your bloodstream?

Parth (parthkohli):

Oh! And what about the Golgi body?

OpenStudy (anonymous):

The Golgi body is primarily for "packaging"; adding biochemical markers to bodily productions so they can move through superselective membranes more easily.

OpenStudy (anonymous):

Microtubules, which are responsible for intracellular transportation, have motor proteins like kinesin (?) and dyenin. I assume they're constructed by the RER.

Parth (parthkohli):

Yeah. Nothing is written in my book except "It helps in packaging materials"

OpenStudy (anonymous):

Extracelullar transportation I don't think is regulated by the cell itself, lacking flagella. You could argue that the prevalence of microtubules allow contraction/expansion propulsion, but I'm not sure if this is the case. I'm pretty sure that blood pressure/flow is all that's responsible for extracellular movement.

OpenStudy (trancenova):

lol, my book has too much written, I'm having trouble boiling it down - looks like badref's is the go-to man for this :P none-the-less my book says "is involved in the processing and packaging of glycoprotiens and polysaccharides"

Parth (parthkohli):

I see. I now understand all of it.. but wait. What are Ribosomes and Lysosomes?

OpenStudy (trancenova):

Well we seem to have resolved Lysosomes "suicide bag" or probably a better term - the bin. Do you have anything in your mind about ribosomes?

Parth (parthkohli):

Oh wait. Yes. We already did Lysosomes. And no }:(

OpenStudy (anonymous):

While the RER is responsible for producing what I think are cellular utility proteins, the ribosome is responsible for directly converting the DNA into proteins. I think you know the process. Transcription, translation.

Parth (parthkohli):

Nah. I don't really know the advanced stuff involved. I am just a kid. MERCY ON ME! >:P

OpenStudy (trancenova):

Lol! Really Parth - you are doing really well :) Do you understand what he means by "directly converting the DNA into proteins"

Parth (parthkohli):

Why would someone want to convert their DNA into proteins? DNA is the thing that carries all the genes, but why will someone convert it into proteins?

OpenStudy (anonymous):

Well, that's wrong, actually. It doesn't directly convert. :P mRNA is transcribed from the DNA through base pair matching (AUCG vs. ATCG, I believe). DNA itself is just a collection of sugars, nitrogen, and phosphate, so it has very little reactive potential wound up like that. Not to mention you want to keep your DNA for future reference, not have it thrown around. mRNA then is sent to the ribosome, which says, "Okay, here are some codes from the DNA that tell you what working amino acids we need to create useful proteins that can actually react in our body." The ribosome then tells the tRNA to go around and collect the necessary base amino acids, bring them together, and match them with the DNA->mRNA copy. This is called translation.

Parth (parthkohli):

Oh no D:> That chicken scratch. Take my medal for writing it down though :>

Parth (parthkohli):

Thank you @TranceNova @badreferences !

OpenStudy (trancenova):

Ahhh it was all badrefs lol

Parth (parthkohli):

lol!

OpenStudy (anonymous):

I was the wrong one in the first place for saying "directly convert". I shouldn't type science as informally as I normally type.

Parth (parthkohli):

\(\Huge \cal{\text{Thank you, Smarty-pants :D}}\) @badreferences

OpenStudy (anonymous):

\[\text{Thanks for not using comic sans.}\]

Parth (parthkohli):

lol

OpenStudy (trancenova):

agreed badrefs! lol

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