If you cannot grasp what I have just explained, you should just leave and study economics!
Microbiology professor, first lecture (via scienceprofessorquotes)
P residential H onor F ree D.C.
Virus & Lab
A = P icornavirus, naked capside, RNA, anti-HAV-IgM
B = H epadnavirus, enveloped, DNA, anti-HBc IgM, HBsAg, HBeAg
C = F lavivirus, enveloped, RNA, anti-HVC ELISA
D = D efective, enveloped circular RNA, anti-HDV ELISA
E = C alcivirus, naked capsid, RNA, -
Satellite phenomenon of Haemophilus influenzae around Staphilococcus aureus in blood agar
Hi optom! I'm very new to the studyblr community and it's my first term of university. I was a straight A student in high school and i am not performing well in my classes. In fact... I'm doing terribly. About a B to B- average. I know I'm probably not the first to go through so I've been trying to find posts that help students cope with this. Resources. Helpful tips. Is there a tag you can recommend? Any posts that you've encountered/wrote that I could peruse? Thank you very much for any help!
Hey there, thanks for asking. This is actually a very common problem experienced by people as they progress from high school to university.
The problem is that mediocre study techniques and a combination of natural ability may have gotten you straight As whilst in high school, but it’s just not going to cut it in university. Cracking down on yourself and sitting down for more hours isn’t going to make your grades much better; it’s just doing more of the same mediocre studying.
So you basically need to read up on good studying techniques and actually apply them to your studies.
I actually have a web directory of all my study tips which already lists all these links.
So because the problem you have at its base is most likely that you’re using high school level techniques to tackle university-level problems, you’ll need to find resources on all areas related to good studying. For some of these areas, I have a related post, but for the more generalised topics like procrastination, I haven’t yet put one out because if I do, I want to be certain that the post will be unique, useful and practical.
Without further ado, here’s a list of all the tags/areas you should work through and evaluate whether you need to change your current study habits if you want to be a 4.0/HD student at university.
Firstly, have a read of my recent answer about 20 Things You Can Do To Prepare for University, and click through to any of the parts of my 15-Part University 101 Series.
Time management
Organisation (see Part 3 Studying and Part 8 Four Secrets from University and Part 11 Adapting to Uni Studying which covers how you can manage university workloads on the whole and specific changes to your studies you should make)
Motivation
Discipline / Staying Focused
Procrastination (see post by @samsstudygram)
Study Methods (I’ve got one on the Blank Paper Method and the Cornell Method)
Exams (I’ve got a multi-part series in the works)
Study Materials (see Part 2 of my University Series for some tips)
Studying from Textbooks (see Part 12 How To Study From Textbooks in Uni which deals with this specifically)
Self Care (you can see my tag here of my own + useful curated posts)
Spaced Repetition (use Anki!)
Study Space (I have a masterpost with tips here)
Hope that helps! If you have a specific question about any areas then let me know!
First line of defence + first to act
A primitive response (exists in animals and some plants)
Non-specialised and without ‘memory’
Consists of:
Physical barriers (eg skin and mucosa//tight junctions, airflow)
Chemical barriers (eg enzymes, lung surfactant, antimicrobals)
Soluble mediators of inflammation (eg cytokines)
Microbal defence (eg commensal competition, secreted antimicrobals)
Cells (eg phagocytes)
Receptors to recognise presence of pathogen/injury - results in inflammation
Complement Proteins
liver-derived
circulate in serum in inactive form
activated by pathogens during innate response
functions include lysis, chemotaxis and opsonisation
Auxiliary Cells
Mediate inflammation as part of the immune response. The main auxiliary cells involved in the immune response are Basophils, Mast cells and Platelets.
Basophils
Leukocyte containing granules
on degranulation release histamine + platelet activating factor
causing increased vascular permeability and smooth muscle contraction
also synthesise and secrete other mediators that control the development of immune system reactions
Mast Cells
Also contain granules
However they are not circulating cells - found close to blood vessels in all types of tissue especially mucosal and epithelial tissues.
rapidly release inflammatory histamine but this is IgE dependant so not innate
Platelets
normally function in blood clotting
also release inflammatory mediators
Cytokines and chemokines
Produced by many cells but especially mØ (macrophages), initiate inflammatory response and act on blood vessels
interferons - antiviral protection
chemokines - recruit cells
interleukines - fever inducing, IL-6 induces acute phase proteins
IL-1 - encourages leukocytes to migrate to infected/damaged tissue
as does tumour necrosis factor (TNFa)
Acute phase proteins
Liver derived proteins
plasma concentrations increase (positive acute-phase proteins) or decrease (negative acute-phase proteins) in response to inflammation
called the acute-phase reaction
triggered by inflammatory cytokines ( IL-1, IL-6, TNFα)
help mediate inflammation ( fever, leukocytosis, increased cortisol, decreased thyroxine, decreased serum iron, etc)
activate complement opsonisation
Inflammation
Cytotoxic Cells
Eosinophils/natural killer cells, cytotoxic T cells
kill target via release of toxic granules
dendritic cell derived IL-12 helps activate NK cells
Phagocytes
mono-nuclear = long-lived; polynuclear = short-lived
engulf, internalize and destroy
phagosome forms around microbe
enzyme filled with lysosomes fuses to form phagolysosome
organism is digested
fragments are either ‘presented’ or exocytosed
phagocytosis requires recognition of microbe via receptors for
PAMPs (pathogen associated molecular patterns - eg flagella or capsule) - recognised by toll-like receptors
activated complement
antibody
The innate immune response primes for the adaptive
B-cells are primed by activated complement
Th1 cell differentiation needs pro-inflammatory cytokines
A fib = no p wave
MICROBIOLOGY MNEMONIC
My favorite band: the Killers (and I’m gonna see them for the second time in 3 weeks!!!!!!! I’m SO excited!!!!!!)
There’s this mnemonic to remember encapsulated organisms that use capsule layers as their major mechanism of pathogenicity.
Capsules are slippery layers and can not be phagocyte. To remember that, just remember this Killer’s song called “All the pretty faces”
This is the only way I can remember this mnemonic, here it goes…
S ome K illers H ave P retty N ice Capsules
S treptococcus pneumoniae
K lebsiella pneumoniae
H aemophilus influenzae
P seudomona aeuroginosa
N eisseria meningitidis
C riptococcus neoformans
BACTERIAL MENINGITIS Timeline, Organisms, Presentation
I have decided to share how I revise for math since math has always been one of my best subjects.
Do homework. This may not seem crucial but it is important as homework helps you to revise what you have learnt in class.
Ask when you are in doubt. This is pretty self explanatory but math is essentially a subject which builds on what you have learnt in the past. Thus, your foundation for math must be strong. Ask your teacher asap when you don’t understand the concept.
Do assessment books. Books like the ten year series is important to give you a feel of what o-level math examinations questions are like. Basically, just do assessment books to prepare for whatever major examinations you are attending for.
Revise all of your worksheets, textbook and notes. Improving math, be better at solving equations, etc is all about practicing. You can try redoing all the questions in your textbook, notes and worksheets.
Alternatively, you can also come up with your own questions simply by changing the values in a sample question.
There are also lots of resources out there such as Photomath and Khan Academy (these are the ones I personally use) which helps you to better grasp the mathematical concept.
It is the most important to remember the formulas. I usually write down all the formulas I need to remember on the formulas printable designed by @emmastudies
Math problems are pretty standard so you can try to familiarise the method used to solve certain hard problemsums.
Lastly, definitely do not try to cram math. Math has a lot of topics so it is not a good idea to study the day before.
How tos
How I study math by @grangerproductivity
How I study mathematics by @aescademic
How to ace your next math test by @concentrationandtea
How to avoid carelessness in calculations by @ugly-postcards
How to do well in math by @rhubarbstudies
How to easily remember the unit of circles by @rebrobindoesmath
How to math by @studybuzz
How to study for math by @nostalgicstudyblr
How to study math by @blogisclosed
How to study math by @studyquill
How to study math by @study-well
How to study math when you hate it by @thecanadianundergradmoved
How to succeed in math by @gracefullywitty
How to take notes Math by @thestudiouspanda
Tips, techniques and tricks
Math study and exam tips by @studymelody
Tips for mathematics by @studyingnic
Top 5 math tips by @etudiance
Trick for remembering trigonometric values by @study-math
Math studying technique by @lunastudy
9 Unnecessary ways to lose points on math assessments
Don’t let calculus d(e)rive you mad by @biopsychs
“Conquering” math by @thestudyfeels
Guides
Algebra 2 by @parisgellerstudy
AP Calculus by @hollohat
Maths: a survival guide by @ashleigh-studies
Formulas and equations
Formulas by @maxwellsequations
Magic trig hexagons by @collegesavviness
Geometric formulas by @chaosophia218
Trigonometry by @visualizingmath
Reference by @badsciencejokes
Graphical equations by @littlemusicalwitch
Formulas and equations printable by @rosallindfranklin
Pythagoras theorem explained by @leetakeuchi-blog
Resources
Khan academy
Photomath by @asukastudies
Desmos graphing calculator
Life saving resources for studying math by @mathbrain
Math masterpost by @pythagaoras
Math aid by @allwriteokay
Precalculus by @etudiance
Other masterposts
Maths masterpost by @acadehmic
A maths masterpost by @organisaticns
Math by @areistotle
Maths masterpost by @highlightcrs
Calc ap study guide by @komlin
Other masterposts by me
Printables
Self care
College
Ace your exams
Apps for students
Note taking