IV.Gymnosperm

Two types of sporophylls microsporophylls & megasporophylls. 

They from pollen cones (male cones) & seed cones (female cones) respectively

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Endoplasmic reticulum

Network of interconnected membranous structures within the cytoplasm of eukaryotic cells contiguous with the outer nuclear envelope.

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The Golgi consists of four functionally distinct regions:

a. Cis compartments

b. Medial compartments

c. Trans compartments

d. Trans-Golgi network

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Golgi apparatus is a major site of carbohydrate synthesis, as well as a sorting and dispatching station for proteins products.

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In animal cells,

Most of the glycosaminoglycans of the extracellular matrix are synthesized in golgi apparatus.

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Three major types of coated vesicles involved in protein trafficking:

1. COPII vesicles

2. COPI vesicles 

3. Clathrin-coated vesicles