NEET Biology Tips and Tricks
Sperm pathway through male reproductive tract :
“SEVEN UP”
Seminiferous tubules
Epididymis
Vas deferens
Ejaculatory duct
Nothing
Urethra
Penis
Hypothalamus general functions :
“LATE”
Libido
Appetite
Temperature
Emotion
Parkinson”s disease signs and symptoms :
“SMART”
Shuffling gait
Mask-like facies
Akinesia
Rigidity
Tremor
Prenatal diagnosis with weeks of pregnancy :
“Can Anyone Make Coffee For {me}
10-12-14-16-18″
chorionic villus sampling.-10-12 [transabdominally from 10 wk to term]
amniocentesis 14-16
maternal blood 16-18
cordocentesis fetal blood 18-20
Vitamin-k dependent clotting factors :
1972 (in reverse order) :
II (2)
VII (7)
IX (9)
X (10)
Huntington”s: chromosome, involvement HUNT 4 DATE:
HUNTington”s on chromosome 4, with cauDATE nucleus
involvement
Also read Biology Important Tables after NEET Biology Tips and Tricks blog.
Albinism: type I vs. II classification :
“One has None.Two Accumulates”
Type I: have no pigment.
Type II: No pigment at birth, but accumulates as person ages
Histamine: features
HISTAMINE:
HCL production
Inflammation
Strong vasodilator
Therapeutic vaue none
Allergy
Mast cells
Neurotransmitter/ Narrow airways
IgE
Immunoglobulins and order B cells present them
MADGE (character from the old dishwashing liquid commercial):
IgM
IgA
IgD
IgG
IgE
*Order of presentation by B cells (which is made first, IgD or IgM?) B cells present IgM primarily, and then IgD.Just remember why all of us are going through this pain…to become M.D’s. For a B cell to be competent, it must get its MD.
*Finally, by the same rule, B cells must first release M then G immunoglobulin on primary exposure.
MHC: loci creating class I vs. II
Class 1 has 1 letter:
HLA I is HLA-A, HLA-B, HLA-C.
Class 2 has 2 letters:
HLA II is HLA-DP, HLA-DQ, HLA-DR.
MHC I vs. MHC II: properties
“Immunity helps to exterminate fun for bacteria”
MHC I vs. II: T cell interaction
The “=8” equation:
2×4=8, and 1×8=8.
MHC II goes with CD4.
MHC I goes with CD8.
T and B cells: types
When bacteria enter body, T-cell says to B: “Help Me, Catch Some!” B-cell replies: “My Pleasure!”:
*T-cell types:
Helper
Memory
Cytotoxic
Suppressor
*B-cell types:
Memory cell
Plasma cell
Hydrarch succession/Aquatic environment.
Pretty Starlets Feel Shy of Males with Charisma.
Plankton, Submerged plants, Floating plants, Swamps, Marshy meadow, Climax community.
Ecological succession
Xerarch succession/Terrestrial environment.
Large MAPS Collection.
Lichens, Mosses, Annual grasses, Perennial grasses, Shrubs, Climax community.
Dicarboxylic acids (alpha, omega) C2 through C10: common names
“Oh My, Such Good Apple Pie, Sweet As
Sugar!”:
Oxalic
Malonic
Succinic
Glutaric
Adipic
Pimelic
Suberic
Azelaic
Sebacic
Golgi complex: functions
“Golgi Distributes A SPAM”:
Distributes proteins and lipids from ER
Add mannose onto specific lysosome proteins
Sulfation of sugars and selected tyrosine
Proteoglycan assembly
Add O-oligosugars to serine and threnonine
Modify N-ologosugars on asparagine
Codons: nonsense mutation “Stop talking nonsense!”: Nonsense mutation causes premature stop
Cri-du-chat syndrome: chromosomal deletion causing it is 5p() What’s another name for a cat that’s five letters long and starts with a P? (Answer: pussy). Why is the cat crying? Missing its P.
DNA: Z vs. B form: which is inactive ZZZZ is sleeping (inactive). B form is therefore active DNA
Learn the type of epithelium present at various sites in our body-
- Simple Squamous: BLEM
B – Bowmans Capsule
L- Lung Alveoli
E- Endothelium
M – Mesothelium - Simple Cuboidal: ROT
R- Renal tubules
O -Outer Enamel Epithelium
T- Thyroid Follicles - Simple Columnar: BIG SIR
B – Brain
I – Intestines
G- Gall Bladder
S- Stomach
I – Inner Enamel Epithelium
R – Resp Tract - Pseudostratified Columnar: Pls doNNT Booze
P – Paranasal Sinus
N- Nasal Cavity
N- Nasopharynx
T-Trachea
B- Bronchi
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