Types of flowers

Hypogynous flower- The ovary in such flowers is said to be superior,  e.g., mustard, china rose and brinjal.

Perigynous flower- The ovary here is said to be half inferior. e.g., plum, rose, peach. (Rosaceae)

Epigynous flowers, the ovary is said to be inferior. e.g., guava and cucumber, and the ray florets of sunflower.

TLS Online TPP Program

#Id: 10108

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Tight junctions seal off body cavities and restrict diffusion of membrane components

TLS Online TPP Program

#Id: 10109

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Tight junctions prevent the diffusion of: 

Macromolecules

Small water-soluble molecules

Ions

Membrane proteins 

Glycolipids

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#Id: 10110

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Ca2+-dependent cadherin- mediated adhesion also plays an important role in tight-junction formation, stability, and function

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#Id: 10111

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Gap junctions permit the passage of molecules as large as 1.2 nm in diameter (molecules smaller than 1200 Da).

TLS Online TPP Program

#Id: 10112

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Ions, low-MW precursors of cellular macromolecules, products of intermediary metabolism, & small intracellular signaling molecules can pass from cell to cell through gap junctions.

TLS Online TPP Program

#Id: 10113

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