Bio Predications (1 Viewer)

[as.merd]

tbh chat gpt is honestly such a good study tool I always ask it to explain it in dummy terms if I don't understand something

I'm gonna try with videos first and then use it as my final resort before giving up

 

[Camellia.pinky]

I don't do bio but apparently like biology would be in the exam just to give you a heads up

what do u mean?

 

[notsosmart1001]

cooked if they pull a 2019 adjacent exam on us

if they do i will start pulling my hair out, by the end of the test i will be bald fr

 

[person3024]

one of my teachers said that 2019 was a bit weird bc it was the first time writing an exam for this syllabus

 

[killmenowplz123]

guys is sanga sequencing needed?
surely not oml this shit is so confusing

i've literally never heard of that so hopefully not...

 

[killmenowplz123]

guys is temperature n glucose the only negative feedback loop we need to know?? bcs theres also the water content one but idk if thats irrelevant

 

[aqwerty13402]

guys is temperature n glucose the only negative feedback loop we need to know?? bcs theres also the water content one but idk if thats irrelevant

Im 90% sure we dont need to know it. The ones on the syllabus are important. If they ask about a water feedback loop, itll be through a stimulus which will tell us everything neccessary

 

[genenian]

guys is temperature n glucose the only negative feedback loop we need to know?? bcs theres also the water content one but idk if thats irrelevant

ya you need to know water but its super easy
1. water levels incr past 45%-70%
2. osmoreceptors detect change
3. hypothalamus signals pituitary to release less ADH (anti-diuretic hormone, adh increases permeability of nephrons)
4. water levels decrease

if water levels decrease as the stimulus, more adh will be released.

 

[pancake15]

if they do i will start pulling my hair out, by the end of the test i will be bald fr

nah cause at that point I will start crying mid exam everyone can hear idc it feels like I've studied so many hours but have barely revised the syllabus let alone had the chance to do practice qs

 

[pancake15]

ya you need to know water but its super easy
1. water levels incr past 45%-70%
2. osmoreceptors detect change
3. hypothalamus signals pituitary to release less ADH (anti-diuretic hormone, adh increases permeability of nephrons)
4. water levels decrease

if water levels decrease as the stimulus, more adh will be released.

i thought we didn't need to know feedback loops for kidney hormones?? my teacher said it was part of the old syllabus and since there hasnt been any qs we dont need to know it

 

[genenian]

i thought we didn't need to know feedback loops for kidney hormones?? my teacher said it was part of the old syllabus and since there hasnt been any qs we dont need to know it

oh shit then mb i severely overstuyd for bio thats the only way i stay sane

 

[notsosmart1001]

will markers mark you down if you have a spelling error because i tend to write pretty fast and dont notice it until i read over it

 

[pancake15]

will markers mark you down if you have a spelling error because i tend to write pretty fast and dont notice it until i read over it

err I don't believe they mark you down if its just like 2 letters swapped around or something (high chance they dont even notice it since theres so much to mark and I sincerely doubt they pay that much attention to detail), but if u dont know how to spell something make sure u spell it the same everytime bc that makes errors less noticeable to the markers, at least so my teachers have said haha

 

[ilovefishh]

what would u guys recommend doing a brief revision over tonight? im working tonight so i only have like 1 hour tonight to breifly look at some not es what do u think is going to be on it

 

[saltedparsley]

reading this is making me stressed i've done practically nothing today
bs skills better pull through tmr

 

[twilight_star24]

guysss can someone plz help with this Q the sample answer is so confusing (2021 hsc Q32) like how do we describe whats happening if we don't know what inhibin or leydig cells are

 

[saltedparsley]

View attachment 45560
guysss can someone plz help with this Q the sample answer is so confusing (2021 hsc Q32) like how do we describe whats happening if we don't know what inhibin or leydig cells are

i think they just want you to identify what stimulates/inhibits what in the flowchart, e.g. testosterone stimulates sperm production which then stimulates release of inhibin, which causes less lh/fsh to be released by the anterior pituitary gland due to negative feedback. they probably wouldn't expect us to know anything not deducible from the flowchart - e.g. it's pretty obvious inhibin is a hormone and acts on anterior pituitary in a negative feedback loop, but there's no indication of what it specifically does to cause this. and can be deduced from flowchart that leydig cells are stimulated by lh to produce testosterone, that's probably the extent to which we need to actually describe their function or smt

agree that the sample answer is terrible, grammar and logic kinda weird

 

[pancake15]

View attachment 45560
guysss can someone plz help with this Q the sample answer is so confusing (2021 hsc Q32) like how do we describe whats happening if we don't know what inhibin or leydig cells are

I attempted this question and it turned into rambling so fast for me , try to apply negative feedback (stimulus response pathway) and pos feedback pathway, probably starting with the hypothalamus and working your way down the diagram

this is one of those annoying questions where its less abt knowledge and more about how cohesive you can be unfortunately

 

[bbmiffy]

hi i havent studied for bio outside of watching amoeba sisters and half assing the 2022 paper lol do i give up now what i do

 

[aqwerty13402]

i thought we didn't need to know feedback loops for kidney hormones?? my teacher said it was part of the old syllabus and since there hasnt been any qs we dont need to know it

u dont need to lol