Question

List the specific functions of the following:
(i) Endoplasmic reticulum
(ii) Lysosomes
(iii) Plastids

Answer 1

$\huge\underline\mathtt\blue{AnswEr}$

$\large\leadsto\mathsf{Endoplasmic\: Reticulum}$

The endoplasmic reticulum (ER) serves important functions particularly in the synthesis, folding, modification, and transport of proteins.

$\large\leadsto\mathsf{Lysosomes}$

Lysosomes are involved with various cell processes. They break down excess or worn-out cell parts. They may be used to destroy invading viruses and bacteria.

$\large\leadsto\mathsf{Plastids}$

1)They trap solar energy and utilise it to manufacture food for plant.

2)Chromoplast impart green colour to flowers.

3)They store food in form of carbohydrates,fats and proteins.

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Answer 2

Answer:

i)Endoplasmic reticulum (ER), in biology, a continuous membrane system that forms a series of flattened sacs within the cytoplasm of eukaryotic cells and serves multiple functions, being important particularly in the synthesis, folding, modification, and transport of proteins .

ii)A lysosome has three main functions: the breakdown/digestion of macromolecules (carbohydrates, lipids, proteins, and nucleic acids), cell membrane repairs, and responses against foreign substances such as bacteria, viruses and other antigens.

iii)Plastids are the site of manufacture and storage of important chemical compounds used by the cells of autotrophic eukaryotes. They often contain pigments used in photosynthesis, and the types of pigments in a plastid determine the cell's color.