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September 26, 2021, 10:41:26 am

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VCE Biology / Re: VCE Biology Question Thread
« Last post by specimen on September 25, 2021, 06:11:04 pm »
When comparing DNA sequences, especially mtDNA, why is a higher mutation rate better? My thinking is that if there are more differences over time, how would it make mtDNA better than normal DNA if it has a higher mutation rate? I get that it's only passed down maternally, and this could help in tracing, but wouldn't a higher mutation rate still make it harder to relate individuals?

Thanks in advance!

A higher mutation rate can be used to find the relationship between closer related species. For example if two species have recently diverged then looking at the differences in their nuclear DNA may not be useful as there may have not been enough mutations accumulated over the short time period, whereas there will be more mutations accumulated in their mtDNA which can give the scientists a better understanding of their relationship and when exactly they diverged.

For species which have diverged much earlier, using nuclear DNA more useful.

HSC Subjects + Help / How to tackle all the content!
« Last post by Yusra366 on September 25, 2021, 04:46:55 pm »
Hey guys, so I made a timetable on Sunday for HSC studying and I was going accordingly to it on Monday but because on Tuesday I got my second dose I was feeling tired and drained all day, as well as on Wednesday. So I wasn't able to complete Tuesday's and Wednesday's tasks. What I have on my timetable is to finish memorising my content for all my subjects by Week 2 of Term 4 on Monday/Tuesday and then I will around 5 weeks after that to just do Past Papers. As advised by my bio teacher, I am aiming to memorise an inquiry question each day for each module and also memorise content for another subject each day as well. Though, I am getting extremely demotivated by the fact that I have to memorise a whole lot of content again and I can't bring myself to just sit down and start doing it. Then when I don't do what I am supposed to do on the day, I get worried because I realise that this is the HSC I am studying for and I should be serious but then I just can't bring myself to. I guess I am just stressed on how to sort myself out and how I am going to memorise all the content in time and would just appreciate some guidance on what I should do? Also would 5 weeks of past papers be enough?
Technology and Gaming / Favorite mobile fatting games
« Last post by Garrett Green on September 25, 2021, 04:41:21 pm »
Hi guys. Share your favorite mobile fighting games. I love playing Mortal Kombat.
VCE Biology / Re: VCE Biology Question Thread
« Last post by Acegtr on September 25, 2021, 04:14:18 pm »
When comparing DNA sequences, especially mtDNA, why is a higher mutation rate better? My thinking is that if there are more differences over time, how would it make mtDNA better than normal DNA if it has a higher mutation rate? I get that it's only passed down maternally, and this could help in tracing, but wouldn't a higher mutation rate still make it harder to relate individuals?

Thanks in advance!
VCE English Work Submission and Marking / Year 10 english essay marking!
« Last post by Weirdobtsarmy on September 25, 2021, 01:52:41 am »
here is a partial (intro, bp1, bp2) comparative essay I wrote [changed from a full essay to partial because of covid19]. It would be great and very much appreciated if anyone could provide feedback [feel free to be as harsh as you want!!]

NOTE: This essay was written in 1 hour with a venn diagram of notes/quotes/essay plan and was initially hand-written.

"Compare how the texts 1984 by George Orwell and Pleasantville directed by Gray Ross explore conformity and individuality"

Set in strict, oppressive totalitarian societies in which individuality is forbidden. Both texts, 1984 by George Orwell and Pleasantville directed by Gary Ross carry the same ideology that to achieve the rejuvenation and individualism of humanity, the rejection of conformity needs to be enforced and boundaries need to be broken. However, the way in which the societies of both texts do this is fundamentally different. in Pleasantville, these boundaries are broken by an external source, being Jennifer and David, contrasting 1984 as the Party's control proves to overtake the efforts of Winston and Julia. Although Orwell examines how propaganda and restriction of thought empowered conformity, Ross explores the way restriction of knowledge powers conformative views in Pleasantville.

Both texts, Pleasantville and 1984 endorse the idea of restriction of through as a means to further repress individuality, hence empowering conformity in both societies. In 1984, propaganda is used to strictly oppress and fearmonger individuals. Posters that depict "Big Brother is watching you" are displayed throughout the city to remind the citizens that they are always being "watched". Additionally, with the use of telescreens and propaganda to induce fear, the Party forces its subjects to accept anything it decrees, even if it is entirely illogical. Furthermore, the Party introduces a new language called Newspeak in order to guarantee that no one will be able to conceptualise anything that might question the Party's absolute power. Syme explains that the "whole aim of newspeak is to narrow the range of thought...[and that] there will be words to express [ourselves]. This quote hence proves the motives of the party. The idea of restriction fo through is mirrored in Pleasantville, however is endorsed differently. Similarly to 1984, thoughts in individuals are forbidden and this is shown in the repetitive norms of Pleasantville. For example, when David/Bud conversates with Skip, Skip's reply only consists of "Hiya Bud" repetitively. Furthermore, restriction of knowledge plays a vital role in suppressing individuals, this is seen as no one knows "what is outside [the town] of Pleasantville" and in how "[all] the books are blank". However, Jennifer and David break through the limited society and start enforcing views of individuality. Diverging from this idea, Winston and Julia start making decisions such as engaging in a "forbidden sexual relationship" to build individuality and identity. Ultimately, Jennifer and David's presence encourages the change of colour. As the black and white colours express the oppressed views of Pleasantville, colours start to appear as the values and beliefs of the citizens change. Contrasting this, Winston and Julia surrender to the party as it completely destructs all aspects of their individualities. Thus, although both texts utilise restriction of thought to press individuals into strict conformity, only Pleasantville succeeds in overcoming it.

In Pleasantville and 1983, segregation and sexual repression are depicted as a means to further press and force individuals into conformity. This is represented in the hierarchical system of 1984 in which citizens are divided into Proletarians and Inner and Outer parties. The Party also undermines family structure by inducting children into an organisation called the Junior Spies which encourages "the children [to] systematically turn against their parents and spy on them". This idea of segregation is mirrored in Pleasantville as Big Bob calls a town meeting in order to "separate...things that are pleasant from...things that are unpleasant". The negative impacts of segregation are shown through this act as it separates the people into "coloureds [and] true citizens". Another common concept is the use of sexual repression in both texts. In 1984, this repression forces individuals to suppress their sexual desires, hence treating sex as merely a "duty to the Party" whose end is the creation of new Party members. Offering a similar idea, in Pleasantville sex is seen only as a means of reproduction, this is exemplified when Betty asks Jennifer, her biological daughter "what is sex?". Orwell utilises Julia's scarlet sash as a symbol of chastity that represents her devotion to the Party, however starkly contrasting this, the double bed in Pleasantville symbolises the hopeful possibility of "other ways to enjoy life". Thus, both texts use the action of segregation and sexual repression to eradicate a sense of individuality and therefore promote conformity.

VCE Computing: Software Development / Re: Software Development 3/4 Notes
« Last post by jackbourkeee on September 25, 2021, 01:31:22 am »
Just got the online version of the Victoria Farrell textbook. It's exactly what I'm looking for.

HSC English (Common Module) / September Text Analysis Lecture - 1984
« Last post by niamh.brazil on September 25, 2021, 12:46:52 am »
Hullo again!

Since we have limited time in our lecture for me to read through all your wonderful thesis writing, this is the thread to copy yours into if you would like feedback! Also feel free to ask any questions about 1984, clarify any areas of confusion from the lecture or just leave your Two Minute Hate for HSC English in the comments - with the year you've had it's definitely justified!

Look forward to seeing your thesis work!
VCE General & Further Mathematics / Re: VCE General & Further Maths Question Thread!
« Last post by plato on September 24, 2021, 11:20:50 pm »
Can someone help me with what a "three-median line" is and how this is different to median smoothing? There was a question about 3-median line in the vcaa 2011 exam but I'm not sure if it's still relevant to the current study design. Thanks
The three median line is not in the current study design that commenced in 2016. You can ignore it. It is not the same as tmedian smoothing.
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