Question

1) Draw a neat labelled diagram of plant cell and list the function of each organalle?
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Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

Mitochondria- Also known as the powerhouse, mitochondria play an important role in respiration where they generate ATP (adenosine triphosphate) from substrates in the presence of oxygen.

PLASMA MEMBRANE- plasma membrane also plays a vital role in regulating the movement of substances in and out of the cell.

NUCLEUS -It is the organelle that controls the hereditary traits of an organism by directing such processes as protein synthesis and cell division among others.

RIBOSOMES -Within the cell, ribosomes are directly involved in the manufacture of proteins by using their RNA and amino acids.

VACUOLE - Vacuoles store various molecules including enzymes, waste products of the cell, water, and even food material .

PLASTIDS - There are 3 types of PLASTIDS

∆Chloroplasts contain the pigment chlorophyll that captures energy from sunlight for photosynthesis.

∆Chromoplasts are present in certain photosynthetic eukaryotes. They are primarily involved in the production and storage of pigments

∆Leucoplast is specialized for such functions as the storage of starch (amyloplasts), lipids (elaioplasts) and proteins (proteinoplasts).

ENDOPLASMIC RETICULUM-

The ER is divided into two regions that vary in structure and function.

These include:

Smooth endoplasmic reticulum: It is involved in the synthesis of lipids (e.g. phospholipids) and carbohydrates that are used to build the cell membrane.

Rough endoplasmic reticulum- . It is involved in the manufacture of various proteins in the cell. On the other hand, the rough ER is involved in the production of antibodies, insulin as well as transportation of proteins into the smooth ER.

LYSOSOMES- They are membranous organelles that contain acidic enzymes that serve to digest various macromolecules (e.g. lipids and nucleic acids) in the cell.

GOLGI APPARATUS- , Golgi apparatus are actively involved in the manufacturing, storage as well as transportation of products from the ER.

CELL WALL- The cell wall surrounds the cell membrane and serves to strengthen and protect the cell.

CYTOPLASM - Many of the cell processes (protein synthesis, respiration etc) take place in the cytoplasm. The cytoplasm also plays an important role in the movement of various materials around the cell.

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