(main axis flattened)

Capitulum (head)

The peduncle is reduced to a flat, concave, or convex disc, the receptacle that bears small sessile and centripetally arranged flowers called florets, surrounded by an involucre of bracts

Examples: Helianthus annuus (Sunflower), Zinnia, Tagetes erecta (Marigold), Cosmos, Mimosa pudica (touch-me-not), Acacia, etc.

TLS Online TPP Program

#Id: 8201

#XL - Q Biochemistry

Lysosome an interior pH of about 4.5–5.0

TLS Online TPP Program

#Id: 8199

#XL - Q Biochemistry

Lysosomes contain about 40 types of hydrolytic enzymes, All are acid hydrolases, work best at acidic pH including: proteases, nucleases, glycosidases, lipases, phospholipases, phosphatases, and sulfatases.

TLS Online TPP Program

#Id: 8198

#XL - Q Biochemistry

Lysosomes are membrane-enclosed organelles filled with soluble hydrolytic enzymes that digest macromolecules.

TLS Online TPP Program

#Id: 8197

#XL - Q Biochemistry

Zellweger syndrome

Autosomal recessive Mutations in any of a dozen different peroxins, the most common being Pex1, cause an impairment in peroxisomal protein import.

TLS Online TPP Program

#Id: 8196

#XL - Q Biochemistry

The AAA ATPases Pex1 and Pex6 complex use the energy from ATP hydrolysis and causing the detachment of Pex 5 receptors into cytosol.

TLS Online TPP Program

#Id: 8195

#XL - Q Biochemistry

A Pex 2, Pex 10, and Pex 12 complex embedded in the peroxisomal membrane transfers Ubiquitin to two embedded Pex 5 receptors.