Yacoubb's Bio 3+4 Questions

[hardworker]

figure- for above question

[Bad Student]

Can anyone please help me with these questions from chapter 2 review (Nature of biology book two, fourth edition).

Q5-The folded internal membranes of mitochondria have many stalked particles on their innermost surfaces (figure 2.31). Given the function of mitochondria and where most of the reactions occur, of what advantage might the presence of these particles be for the production of ATP in the organelle?


Q6 In figure 2.31, you may have noted the holes in the folds of the inner membrane of mitochondria. Explain a possible function of these holes

For question 5, the stalked particles increase the surface area of the internal membrane. The greater surface area increases the rate of ATP production in the organelle. I think.

[Shenz0r]

Can anyone please help me with these questions from chapter 2 review (Nature of biology book two, fourth edition).

Q5-The folded internal membranes of mitochondria have many stalked particles on their innermost surfaces (figure 2.31). Given the function of mitochondria and where most of the reactions occur, of what advantage might the presence of these particles be for the production of ATP in the organelle?

The stalked particles increase SA:V ratio, allowing reactant molecules to diffuse across mitochondria more quickly. Therefore, the rate of ATP production in mitochondria will be higher.

[ealam2]

What't the difference between polymerisation and condensation reaction?

[Smiley_]

What't the difference between polymerisation and condensation reaction?

arent they the same ?

[Bad Student]

A condensation reaction is one type of polymerisation reaction.

[ealam2]

arent they the same ?

Thought so too. But my bio teacher told me that there are differences. Not clear on that.

[Smiley_]

A condensation reaction is one type of polymerisation reaction.

oh ok.


Could you please explain a little more

[Bad Student]

oh ok.

Could you please explain a little more

A polymerisation reaction is a reaction where monomers are bonded together to form a polymer.

In a condensation polymerisation reaction, a small molecule such as water is created when two monomers bond to each other.

If you've done chemistry, you may have heard of another type of polymerisation reaction called an addition polymerisation reaction.

[Smiley_]

A polymerisation reaction is a reaction where monomers are bonded together to form a polymer.

In a condensation polymerisation reaction, a small molecule such as water is created when two monomers bond to each other.

If you've done chemistry, you may have heard of another type of polymerisation reaction called an addition polymerisation reaction.

thanks

how important do you think this is for the exam?

[alondouek]

thanks

how important do you think this is for the exam?

I'd say it's quite important; you want to understand quite well how biomacromolecules are formed from their subunits.

[Smiley_]

I'd say it's quite important; you want to understand quite well how biomacromolecules are formed from their subunits.

ok thanks do we need to know the difference between polymerisation and condensation reaction?

[pi]

Yes

[Smiley_]

Yes

ok

[Yacoubb]

The difference between polymerisation and condensation is that polymerisation is the process by which monomers join together to form a long chain of monomers (polymer), wheras condensation involves the release of a H₂O molecule before a bond can actually form between the monomers.

@fushandchups: Sub-units are important to understand and it is also beneficial to know the type of bonds that exist because you'll impress the examiners if you know that during the condensation reaction of glycogen synthesis, glucose monosaccharide sub-units are joined by glycosidic bonds.. or the enzyme maltase is made up of amino acids joined by peptide bonds.. It's just additional knowledge that can maximise your understanding of Biomacromolecules