Biochemistry revision checklist for NEET PG, INI-CET & FMGE

Reading double-reciprocal inhibitor patterns from the plot

Zero-order behaviour when substrate is far above Km

Cooperative sigmoid enzymes and bisubstrate ping-pong

Saturable carrier versus linear diffusion transport curve

Ranking enzymes by kcat over Km

Vitamin C, prolyl/lysyl hydroxylation and scurvy

Matching collagen types to tissues and building blocks

Elastin defects and keratin disulfide cross-linking

Lead-sensitive heme enzymes and what accumulates

Acute porphyria presentation and attack triggers

Heme pathway enzymes, sites and the mature RBC exception

Naming the terminal complex that cyanide and CO poison

Separating an ATP synthase blocker from an uncoupler

Spotting the cytosolic pathway among mitochondrial ones

Floppy infant with cardiomegaly on the chest film

Adolescent exercise cramps with flat lactate

Fasting hypoglycemia that ignores glucagon

Glucagon works after a meal but not after a fast

What switches glycogen phosphorylase on in muscle

The vitamin cofactor unique to phosphorylase

The enzyme common to synthesis and breakdown

Why glucose is stored as branched glycogen

The substrate that cannot make net glucose

Unique gluconeogenic enzymes versus shared steps

What drives gluconeogenesis in prolonged fasting

Source of glucose after an overnight fast

Which change does NOT occur in prolonged fasting

The obligate glucose users during fasting

Which component dominates HDL and its migration

ABCA1 mutation image pointing to a named disease

Computing LDL from the Friedewald equation

Highest cholesterol-containing food among choices

Why the liver cannot use the ketones it makes

Mechanism driving ketosis in type 1 diabetes

Nitroprusside urine test that turns positive in ketosis

Crumpled tissue paper cells and the deficient enzyme

Matching sphingomyelinase deficiency to its disease

Rate-limiting enzyme and the aspartate nitrogen link

How the brain detoxifies ammonia

How phenylbutyrate lowers ammonia and its amino acid source

Arginine handling in OTC deficiency and gyrate atrophy

Net side-chain charge and charge-neutral substitutions

Polar residues on the surface, hydrophobic buried

Histidine imidazole as the protein buffering residue

Heat precipitation that redissolves points to Bence Jones protein

Spotting the method that does not precipitate protein

Chaperones fold nascent proteins in the ER

Which dehydrogenase stalls when TPP is missing

Separating Korsakoff memory loss from the Wernicke triad

Maize-diet triad pointing to the deficient vitamin

High-dose vitamin causing cystoid macular edema

The only two human B12-dependent enzymes

Why folate must not be given alone in suspected B12 lack

Dietary source and localising the absorption block

Bleeding gums and poor healing from a hydroxylation block

Enzyme humans lack for vitamin C and its iron role

Role of ddNTPs in Sanger sequencing

RFLP strain typing and detecting DNA sequence changes

Choosing the method for expression profiling versus viral load

Ordering the karyotype culture and banding steps

Choosing FISH versus PCR for locus and aneuploidy detection

Spotting the non-aneuploidy and the abnormal-division product

What DNA methylation does and does not participate in

The cytosine change that closes permissive chromatin

Parent-of-origin differential expression and how to detect it

The named principle behind X-chromosome inactivation

Lesch-Nyhan clinical clue, enzyme and inheritance

Primary gout urate handling and acute-attack findings

Spotting the pyrimidine disorder among purine diseases