BIO NMDCAT

Lipoprotein lipase hydrolyzes the triacylglycerols inside circulating chylomicrons and VLDLs, releasing free fatty acids for tissue uptake.

Spliceosomes are specialized ribonucleoproteins; they require small nuclear RNAs to recognize splice sites on pre-mRNA transcripts.

Genetic variations dictate which glycosyltransferase is active, determining whether an extra N-acetylgalactosamine (A) or galactose (B) is added.

Lipidation, such as prenylation or palmitoylation, adds a hydrophobic lipid tail to a protein, anchoring it into a lipid bilayer.

GPI anchors use a complex bridge made of a phospholipid linked via a phosphodiester bond to an oligosaccharide, which then binds the protein.

ABCA1 is required to load cholesterol onto ApoA-I to form HDL; its absence causes HDL deficiency and lipid buildup in tissues.

Collagen is a structural glycoprotein; its triple-helix structure contains short carbohydrate chains attached to hydroxylysine residues.

Phytochrome is a chromoprotein with a light-sensitive bilin prosthetic group that acts as a molecular switch for plant photomorphogenesis.

The oligosaccharide chains on circulating glycoprotein hormones shield them from rapid hepatic filtration and enzymatic degradation.

Cerebrosides are monoglycosylceramides, meaning they utilize a sphingosine amino alcohol base instead of a glycerol backbone.

Both classes contribute to the structural cell coat by projecting their hydrophilic branched sugar chains into the extracellular space.

Without working receptors, cells cannot internalize LDL particles via receptor-mediated endocytosis, causing cholesterol to build up in the blood.

Phosphoproteins, like milk casein or egg vitellin, are generated when phosphate groups attach covalently to serine, threonine, or tyrosine.

Apolipoproteins act as structural scaffolding, activate lipid-processing enzymes, and serve as cell-surface ligands for target tissue receptors.

snRNPs ("snurps") are specialized nucleoproteins that combine to build the spliceosome, the machinery that removes non-coding introns.

Standard glycolipids feature small oligosaccharide chains, whereas bacterial LPS molecules possess highly complex, extended carbohydrate structures.

The carbohydrate arrays on glycoprotein hormones are essential for maintaining proper folding, structural stability, and receptor activation.

Ovalbumin is a storage glycoprotein that makes up the bulk of egg white, providing essential amino acids and attached carbohydrates.

This structural packaging arranges DNA strands systematically inside the eukaryotic nucleus, compacting the genetic material.