Question

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Answer 1

Answer:

The structure of a nucleus encompasses the nuclear membrane, nucleoplasm, chromosomes, and nucleolus. The nuclear membrane is a double-layered structure that encloses the contents of the nucleus. ... Such nuclear pores are the sites for the exchange of large molecules (proteins and RNA) between the nucleus and cytoplasm.

any of a class of small organelles in the cytoplasm of plant cells, containing pigment or food.

Types and Functions of Plastids

The chloroplast is filled with thylakoids, which is where photosynthesis occurs, and chlorophyll. Chromoplasts are what the name describes, a place for the pigments to be stored and synthesized in the plant. ... Leucoplasts are the non-pigmented organelles.

Mitochondria Structure

Mitochondria are shaped perfectly to maximize their productivity. They are made of two membranes. The outer membrane covers the organelle and contains it like a skin. The inner membrane folds over many times and creates layered structures called cristae.

Explanation:

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Answer 2

Answer:

25...Plastids are double-membrane organelle which are found in the cells of plants and algae. Plastids are responsible for manufacturing and storing of food. These often contain pigments that are used in photosynthesis and different types of pigments that can change the colour of the cell.

Types of plastids:-)

Chloroplasts

Chromoplasts

Gerontoplasts

Leucoplasts

26..Structure. Mitochondria have an inner and outer membrane, with an intermembrane space between them. The outer membrane contains proteins known as porins, which allow movement of ions into and out of the mitochondrion.

27...Vacuole, in biology, a space within a cell that is empty of cytoplasm, lined with a membrane, and filled with fluid. Especially in protozoa, vacuoles are cytoplasmic organs (organelles), performing functions such as storage, ingestion, digestion, excretion, and expulsion of excess water.

Plant Vacuole:-)

The vacuoles of plant cells are multifunctional organelles that are central to cellular strategies of plant development. ... They are lytic compartments, function as reservoirs for ions and metabolites, including pigments, and are crucial to processes of detoxification and general cell homeostasis.

Animal Vacuole:-)

animal vacuoles are small in size and are more in number. ... Animal vacuoles store nutrients, ions, and water.

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